Category: MCQ Questions

Check the below Online Education NCERT MCQ Questions for Class 9 Science Chapter 15 Improvement in Food Resources with Answers Pdf free download. MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. We have Provided Improvement in Food Resources Class 9 Science MCQs Questions with Answers to help students understand the concept very well. https://ncertmcq.com/mcq-questions-for-class-9-science-with-answers/

You can refer to NCERT Solutions for Class 9 Science Chapter 15 Improvement in Food Resources to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Improvement in Food Resources Class 9 MCQs Questions with Answers

Improvement In Food Resources Class 9 MCQ Question 1.
Which one is an oil yielding plant among the following?
(a) Lentil
(b) Sunflower
(c) Cauliflower
(d) Hibiscus

Improvement In Food Resources MCQ Question 2.
Which one is not a source of carbohydrate?
(a) Rice
(b) Millets
(c) Sorghum
(d) Gram

Class 9 Science Chapter 15 MCQ Question 3.
Find out the wrong statement from the following.
(a) White revolution is meant for increase in milk production
(b) Blue revolution is meant for increase in fish production
(c) Increasing food production without compromising with environmental quality is called as sustainable agriculture
(d) None of the above

MCQ Of Improvement In Food Resources Question 4.
To solve the food problem of the country, which among the following is necessary?
(a) Increased production and storage of food grains
(b) Easy access of people to the food grain
(c) People should have money to purchase the grains
(d) All of the above

Class 9 Improvement In Food Resources MCQ Question 5.
Find out the correct sentence.
(i) Hybridisation means crossing between genetically dissimilar plants
(ii) Cross between two varieties is called as inter specific hybridisation
(iii) Introducing genes of desired character into a plant gives genetically modified crop
(iv) Cross between plants of two species is called as inter varietal hybridisation
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (ii) and (iii)
(d) (iii) and (iv)

MCQ On Improvement In Food Resources Class 9 Question 6.
Weeds affect the crop plants by
(a) killing of plants in field before they grow
(b) dominating the plants to grow
(c) competing for various resources of crops (plants) causing low availability of nutrients
(d) all of the above.

MCQ Questions Of Ch Improvement In Food Resources Class 9 With Answers Question 7.
Which one of the following species of honeybee is an Italian species?
(a) Apis dorsata
(b) Apis florae
(c) Apis cerana indica
(d) Apis mellifera

Improvement In Food Resources Class 9 MCQ With Answers Question 8.
Find out the correct sentence about manure.
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out of excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.
(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Class 9 Science Ch 15 MCQ Question 9.
Cattle husbandry is done for the following purposes:
(i) Milk production
(ii) Agricultural work
(iii) Meat production
(iv) Egg production
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (iii) and (iv)
(d) (i) and (iv)

MCQ On Improvement In Food Resources Question 10.
Which of the following are Indian cattle?
(i) Bos indicus
(ii) Bos domestica
(iii) Bos bubalis
(iv) Bos vulgaris
(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Class 9 Chapter 15 Science MCQ Question 11.
Which of the following are exotic breeds?
(i) Brawn
(ii) Jersey
(iii) Brown Swiss
(iv) Jersey Swiss
(a) (i) and (iii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (ii) and (iv)

MCQs On Improvement In Food Resources Question 12.
Poultry farming is undertaken to raise following
(i) Egg production
(ii) Feather production
(iii) Chicken meat
(iv) Milk production
(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Improvement In Food Resources Class 9 MCQ Online Test Question 13.
Poultry fowl are susceptible to the following pathogens
(a) Viruses
(b) Bacteria
(c) Fungi
(d) All of the above

Food Production Class 9 MCQ Question 14.
Which one of the following fishes is a surface feeder?
(a) Rohus
(b) Mrigals
(c) Common carps
(d) Catlas

MCQ Of Chapter 15 Science Class 9 Question 15.
Animal husbandry is the scientific management of
(i) animal breeding
(ii) culture of animals
(iii) animal livestock
(iv) rearing of animals
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i), (ii) and (iv)
(d) (i), (iii) and (iv)

Question 16.
Which one of the following nutrients is not available in fertilisers?
(a) Nitrogen
(b) Phosphorus
(c) Iron
(d) Potassium

Question 17.
Preventive and control measures adopted for the storage of grains include
(a) strict cleaning
(b) proper disjoining
(c) fumigation
(d) all of the above

Fill in the blanks

1. There are ……………. nutrients essential for growth of crops.

2. Manure and …………… are the main sources of nutrient supply to the crop plants.

3. Organic farming is a farming system with minimal or no use of …………..

4. The growing of different crops on a piece of land in pre-planned succession is called ……………

5. Poultry farming is done to raise domestic …………….

6. Cross breeding is done between ……………. and …………… breeds for variety improvement.

7. Marine fish capture is done by ……………. guided by echo-sounders and satellites.

8. Bee-keeping or ……………. is done to get honey and wax.

9. The value or …………… of honey depends upon the pasturage available.

10. The …………….. bees have high honey collection capacity and sting somewhat less.

11. Fishing can be done both by ………….. and …………… of fish in marine and freshwater ecosystems.

12. Animal feed includes ……………. which is largely fibre, and …………….. which are low in fibre and contain relatively high levels of proteins and other nutrients.

13. The ……………. stop the rainwater from flowing away and also reduce soil erosion.

14. In …………… soils, the large quantities of organic matter help in drainage and in avoiding water logging.

15. Vermicompost is prepared by using …………….. to hasten the process of decomposition of plant and animal refuse.

Match the following columns

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Check the below NCERT MCQ Questions for Class 12 Maths Chapter 3 Matrices with Answers Pdf free download. MCQ Questions for Class 12 Maths with Answers were prepared based on the latest exam pattern. We have provided Matrices Class 12 Maths MCQs Questions with Answers to help students understand the concept very well.

Matrices Class 12 MCQs Questions with Answers

Matrices Class 12 MCQ Questions Chapter 3 Question 1.
\(\left|\begin{array}{lll}
3 & 4 & 5 \\
0 & 2 & 3 \\
0 & 0 & 7
\end{array}\right|\) = A then |A| = ?
(a) 40
(b) 50
(c) 42
(d) 15

Matrices Class 12 MCQ Chapter 3 Question 2.
The inverse of A = \(\left|\begin{array}{ll}
2 & 3 \\
5 & k
\end{array}\right|\) will not be obtained if A has the value
(a) 2
(b) \(\frac{3}{2}\)
(c) \(\frac{5}{2}\)
(d) \(\frac{15}{2}\)

Matrices MCQ Questions Class 12 Question 3.
For any unit matrix I
(a) I² = I
(b) |I| = 0
(c) |I| = 2
(d) |I| = 5

Matrix Class 12 MCQ Chapter 3 Question 4.
A matrix A = [a_ij]_m×n is said to be symmetric if
(a) a_ij = 0
(b) a_ij = a_ji
(c) a_ij = a_ij
(d) a_ij = 1

Class 12 Maths Chapter 3 MCQ Question 5.
If A = \(\left|\begin{array}{lll}
1 & 1 & 1 \\
1 & 1 & 1 \\
1 & 1 & 1
\end{array}\right|\) then A² is
(a) 27 A
(b) 2 A
(c) 3 A
(d) 1

MCQ Of Matrices Class 12 Question 6.
A matrix A = [a_ij]_m×n is said to be skew symmetric if
(a) a_ij = 0
(b) a_ij = a_ji
(c) a_ij = -a_ji
(d) a_ij = 1

Matrices MCQ Class 12 Chapter 3 Question 7.
A = [a_ij]_m×n is a square matrix if
(a) m = n
(b) m < n
(c) m > n
(d) None of these

Matrix MCQ Class 12 Chapter 3 Question 8.
If A and B are square matrices then (AB)’ =
(a) B’A’
(b) A’B’
(c) AB’
(d) A’B’

MCQ On Matrices Class 12 Chapter 3 Question 9.
If A = \(\left[\begin{array}{cc}
\cos \theta & -\sin \theta \\
\sin \theta & \cos \theta
\end{array}\right]\) and adj A is
(a) \(\left[\begin{array}{cc}
\cos \theta & -\sin \theta \\
\sin \theta & \cos \theta
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
1 & 0 \\
0 & 1
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
\cos \theta & \sin \theta \\
-\sin \theta & \cos \theta
\end{array}\right]\)
(d) \(\left[\begin{array}{cc}
-1 & 0 \\
0 & -1
\end{array}\right]\)

Class 12 Matrices MCQ Chapter 3 Question 10.
If \(\left[\begin{array}{cc}
1-x & 2 \\
18 & 6
\end{array}\right]\) = \(\left[\begin{array}{cc}
6 & 2 \\
18 & 6
\end{array}\right]\) then x =
(a) ±6
(b) 6
(c) -5
(d) 7

Matrix MCQ Questions Chapter 3 Question 11.
If \(\left|\begin{array}{ll}
x & 8 \\
3 & 3
\end{array}\right|\) = 0, the value of x is
(a) 3
(b) 8
(c) 24
(d) 0

MCQ Of Matrix Class 12 Chapter 3 Question 12.
If A = \(\left[\begin{array}{cc}
i & 0 \\
0 & i
\end{array}\right]\) then A² =
(a) \(\left[\begin{array}{cc}
1 & 0 \\
0 & -1
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
-1 & 0 \\
0 & -1
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
1 & 0 \\
0 & 1
\end{array}\right]\)
(d) \(\left[\begin{array}{cc}
-1 & 0 \\
0 & 1
\end{array}\right]\)

Matrices MCQ With Answers Pdf Chapter 3 Question 13.
Let A be a non-singular matrix of the order 2 × 2 then |A^-1|=
(a) |A|
(b) \(\frac{1}{|A|}\)
(c) 0
(d) 1

MCQ On Matrices Class 12 Pdf Download Question 14.
If A = \(\left[\begin{array}{cc}
1 & 2 \\
2 & 1
\end{array}\right]\) then adj A =
(a) \(\left[\begin{array}{cc}
1 & -2 \\
-2 & 1
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
2 & 1 \\
1 & 1
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
1 & -2 \\
-2 & -1
\end{array}\right]\)
(d) \(\left[\begin{array}{cc}
-1 & 2 \\
-2 & -1
\end{array}\right]\)

Class 12 Matrix MCQ Questions Chapter 3 Question 15.
If A = \(\left[\begin{array}{cc}
1 & 1 \\
0 & 1
\end{array}\right]\) B = \(\left[\begin{array}{cc}
0 & 1 \\
1 & 0
\end{array}\right]\) then AB =
(a) \(\left[\begin{array}{cc}
0 & 0 \\
0 & 0
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
1 & 1 \\
1 & 0
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
1 & 0 \\
0 & 1
\end{array}\right]\)
(d) 10

Matrices Class 12 MCQs Chapter 3 Question 16.
If \(\left[\begin{array}{ccc}
1 & 0 & 0 \\
0 & 1 & 0 \\
a & b & -1
\end{array}\right]\) then A² =
(a) a unit matrix
(b) A
(c) a null matrix
(d) -A

Chapter 3 Maths Class 12 MCQ Question 17.
If A = \(\left[\begin{array}{cc}
α & 0 \\
1 & 1
\end{array}\right]\) B = \(\left[\begin{array}{cc}
1 & 0 \\
5 & 1
\end{array}\right]\) where A² = B then the value of α is
(a) 1
(b) -1
(c) 4
(d) we cant calculate the value of α

Class 12 Maths Ch 3 MCQ Question 18.
If A = \(\left[\begin{array}{cc}
1 & 2 \\
3 & 4
\end{array}\right]\) then
(a) |A| = 0
(b) A^-1 exists
(c) A^-1 does not exist
(d) None of these

MCQ Class 12 Maths Chapter 3 Question 19.
If A = \(\left[\begin{array}{cc}
2x & 5 \\
8 & x
\end{array}\right]\) = \(\left[\begin{array}{cc}
6 & -2 \\
7 & 3
\end{array}\right]\) then the value of x is
(a) 3
(b) ±3
(c) ±6
(d) 6

Matrix MCQ Questions And Answers Chapter 3 Question 20.
Let A = \(\left[\begin{array}{cc}
1 & -1 \\
2 & 3
\end{array}\right]\) then
(a) A^-1 = \(\left[\begin{array}{cc}
\frac{3}{5} & \frac{1}{5} \\
\frac{-2}{5} & \frac{1}{5}
\end{array}\right]\)
(b) |A| = 0
(c) |A| = 5
(d) A² = 1

Question 21.
If A = \( \left[\begin{array}{ccc}
2 & \lambda & -3 \\
0 & 2 & 5 \\
1 & 1 & 3
\end{array}\right]\) yhen A^-1 exists if
(a) λ = 2
(b) λ ≠ 2
(c) λ ≠ -2
(d) none of these

Question 22.
If A = \(\left[\begin{array}{cc}
α & 2 \\
2 & α
\end{array}\right]\) and |A³| = 25 then α is
(a) ±3
(b) ±2
(c) ±5
(d) 0

Question 23.
A² – A + I = 0 then the inverse of A
(a) A
(b) A + I
(c) I – A
(d) A – I

Question 24.
If A = \(\left[\begin{array}{cc}
2 & 3 \\
1 & -4
\end{array}\right]\) and B = \(\left[\begin{array}{cc}
1 & -2 \\
-1 & 3
\end{array}\right]\) then find (AB)^-1
(a) \(\frac{1}{11}\) \(\left[\begin{array}{cc}
14 & 5 \\
5 & 1
\end{array}\right]\)
(b) \(\frac{1}{11}\) \(\left[\begin{array}{cc}
14 & -5 \\
-5 & 1
\end{array}\right]\)
(c) \(\frac{1}{11}\) \(\left[\begin{array}{cc}
1 & 5 \\
5 & 14
\end{array}\right]\)
(d) \(\frac{1}{11}\) \(\left[\begin{array}{cc}
1 & -5 \\
-5 & 14
\end{array}\right]\)

Question 25.
If A = \(\left[\begin{array}{cc}
3 & 1 \\
-1 & 2
\end{array}\right]\) then A² – 5A – 7I is
(a) zero matrix
(b) a diagonal matrix
(c) identity matrix
(d) None of these

Question 26.
If A = \(\left[\begin{array}{cc}
\cos x & -\sin x \\
\sin x & \cos x
\end{array}\right]\) then A + A^T = I if the value of x is
(a) \(\frac{π}{6}\)
(b) \(\frac{π}{3}\)
(c) π
(d) 0

Question 27.
If \(\left[\begin{array}{cc}
x+y & y \\
2x & x-y
\end{array}\right]\) \(\left[\begin{array}{c}
2 \\
-1
\end{array}\right]\) \(\left[\begin{array}{c}
3 \\
2
\end{array}\right]\) then xy equal to
(a) -5
(b) -4
(c) 4
(d) 5

Question 28.
If A = \(\left[\begin{array}{cc}
1 & 2 \\
4 & 2
\end{array}\right]\) then |2A| =
(a) 2|A|
(b) 4|A|
(c) 8|A|
(d) None of these

Question 29.
If A = \(\left[\begin{array}{cc}
a & b \\
c & d
\end{array}\right]\) then A² is equal to
(a) \(\left[\begin{array}{cc}
a^{2} & b^{2} \\
c^{2} & d^{2}
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
b^{2}+bc & ab+bd \\
ac+dc & dc+d^{2}
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
a^{3} & b^{3} \\
c^{3} & d^{3}
\end{array}\right]\)
(d) None of these

Question 30.
\(\left[\begin{array}{cc}
\cos \theta & -\sin \theta \\
-\sin \theta & \cos \theta
\end{array}\right]\) is inverse of
(a) \(\left[\begin{array}{cc}
-\cos \theta & -\sin \theta \\
-\sin \theta & \cos \theta
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
\cos \theta & \sin \theta \\
\sin \theta & -\cos \theta
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
\cos \theta & \sin \theta \\
-\sin \theta & \cos \theta
\end{array}\right]\)
(d) None of these

Question 31.
A = \(\left[\begin{array}{cc}
a & b \\
b & a
\end{array}\right]\) and A² = \(\left[\begin{array}{cc}
α & β \\
β & α
\end{array}\right]\) then
(a) α = a² + b², β = ab
(b) α = a² + b², β = 2ab
(c) α = a² + b², β = a² – b²
(d) α = 2ab, β = a² + b²

Question 32.
The matrix \(\left[\begin{array}{ccc}
2 & -1 & 4 \\
1 & 0 & -5 \\
-4 & 5 & 7
\end{array}\right]\) is
(a) a symmetric matix
(b) a skew-sybtmetric matrix
(c) a diagonal matrix
(d) None of these

Question 33.
If a matrix is both symmetric matrix and skew symmetric matrix then
(a) A is a diagonal matrix
(b) A is zero matrix
(c) A is scalar matrix
(d) None of these

Question 34.
If \(\left[\begin{array}{cc}
x+y & 3 \\
4 & x-y
\end{array}\right]\) = \(\left[\begin{array}{cc}
1 & 3 \\
4 & -3
\end{array}\right]\) then (x, y) is
(a) (-1, 2)
(b) (-1, -2)
(c) (-2, -1)
(d) (1, -2)

Question 35.
The matrix P = \(\left[\begin{array}{ccc}
0 & 0 & 4 \\
0 & 4 & 0 \\
4 & 0 & 0
\end{array}\right]\) is
(a) square matrix
(b) diagonal matrix
(c) unit matrix
(d) None of these

Question 36.
Total number of possible matrices of order 3 × 3 with each entry 2 or 0 is
(a) 9
(b) 27
(c) 81
(d) 512

Question 37.
If \(\left[\begin{array}{cc}
2x+y & 4x \\
5x-7 & 4x
\end{array}\right]\) = \(\left[\begin{array}{cc}
7 & 7y-13 \\
y & x+6
\end{array}\right]\) then the value of x, y is
(a) 3, 1
(b) 2, 3
(c) 2, 4
(d) 3, 3

Question 38.
If A and B are two matrices of the order 3 × m and 3 × n, respectively, and m = n, then the order of matrix (5A – 2B) is
(a) m × 3
(b) 3 × 3
(c) m × n
(d) 3 × n

Question 39.
If A = \(\frac{1}{π}\) \(\left[\begin{array}{cc}
\sin ^{-1}(x \pi) & \tan^{1}\left(\frac{x}{\pi}\right) \\
\sin ^{-1}\left(\frac{x}{\pi}\right) & \cot ^{-1}(\pi x)
\end{array}\right]\)
B = \(\frac{1}{π}\) \(\left[\begin{array}{cc}
\cos ^{-1}(x \pi) & \tan ^{-1}\left(\frac{x}{\pi}\right) \\
\sin ^{-1}\left(\frac{x}{\pi}\right) & -\tan ^{-1}(\pi x)
\end{array}\right]\)
then A – B equal to
(a) I
(b) O
(c) 1
(d) \(\frac{3}{2}\) I

Question 40.
If A = \(\left[\begin{array}{cc}
0 & 1 \\
1 & 0
\end{array}\right]\) then A² is equal to
(a) \(\left[\begin{array}{cc}
0 & 1 \\
1 & 0
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
1 & 0 \\
1 & 0
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
0 & 1 \\
0 & 1
\end{array}\right]\)
(d) \(\left[\begin{array}{cc}
1 & 0 \\
0 & 1
\end{array}\right]\)

Question 41.
If matrix A = [a_ij]_2×2 where a_ij = {\(_{0 if i = j}^{1 if i ≠ j}\) then A² is equal to
(a) I
(b) A
(c) O
(d) None of these

Question 42.
The matrix \(\left[\begin{array}{ccc}
1 & 0 & 0 \\
0 & 2 & 0 \\
0 & 0 & 0
\end{array}\right]\) is a
(a) identity matrix
(b) symmetric matrix
(c) skew symmetric matrix
(d) None of these

Question 43.
The matrix \(\left[\begin{array}{ccc}
0 & -5 & 8 \\
5 & 0 & 12 \\
-8 & -12 & 0
\end{array}\right]\) is a
(a) diagonal matrix
(b) symmetric matrix
(c) skew symmetric matrix
(d) scalar matrix

Question 44.
If A is matrix of order m × n and B is a matrix such that AB’ and B’A are both defined, then order of matrix B is
(a) m × m
(b) n × n
(c) n × m
(d) m × n

Question 45.
If A and B are matrices of same order, then (AB’ – BA’) is a
(a) skew symmetric matrix
(b) null matrix
(c) symmetric matrix
(d) unit matrix

Question 46.
If A is a square matrix such that A² = I, then (A – I)³ + (A + I)³ – 7A is equal to
(a) A
(b) I – A
(c) I + A
(d) 3 A

Question 47.
For any two matrices A and B, we have
(a) AB = BA
(b) AB ≠ BA
(c) AB = 0
(d) None of these

Question 48.
If A = [a_ij]_2×2 where a_ij = i + j, then A is equal to
(a) \(\left[\begin{array}{cc}
1 & 2 \\
3 & 4
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
2 & 3 \\
3 & 4
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
1 & 1 \\
2 & 2
\end{array}\right]\)
(d) \(\left[\begin{array}{cc}
1 & 2 \\
1 & 2
\end{array}\right]\)

Question 49.
The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is
(a) 18
(b) 512
(c) 81
(d) None of these

Question 50.
The order of the single matrix obtained from
\(\left[\begin{array}{cc}
1 & -1 \\
0 & 2 \\
2 & 3
\end{array}\right]\) \(\left\{\left[\begin{array}{ccc}
-1 & 0 & 2 \\
2 & 0 & 1
\end{array}\right]-\left[\begin{array}{ccc}
0 & 1 & 23 \\
1 & 0 & 21
\end{array}\right]\right\}\) is
(a) 2 × 2
(b) 2 × 3
(c) 3 × 2
(d) 3 × 3

Question 51.
A square matrix A = [a_ij]_n×n is called a diagonal matrix if a_ij = 0 for
(a) i = j
(b) i < j
(c) i > j
(d) i ≠ j

Question 52.
A square matrix A = [a_ij]_n×n is called a lower triangular matrix if a_ij = 0 for
(a) i = j
(b) i < j
(c) i > j
(d) None of these

Question 53.
The matrix A = \(\left[\begin{array}{cc}
0 & 1 \\
1 & 0
\end{array}\right]\) is a
(a) unit matrix
(b) diagonal matrix
(c) symmetric matrix
(d) skew symmetric matrix

Question 54.
If \(\left[\begin{array}{cc}
x+y & 2x+z\\
x-y & 2z+2
\end{array}\right]\) = \(\left[\begin{array}{cc}
4 & 7 \\
0 & 10
\end{array}\right]\) then find the value of x, y, z and w respectively
(a) 2, 2, 3, 4
(b) 2, 3, 1, 2
(c) 3, 3, 0, 1
(d) None of these

Question 55.
If \(\left[\begin{array}{cc}
x-y & 2x+z\\
2x-y & 3z+w
\end{array}\right]\) = \(\left[\begin{array}{cc}
-1 & 5 \\
0 & 13
\end{array}\right]\) then the value of w is
(a) 1
(b) 2
(c) 3
(d) 4

Question 56.
Find x, y, z and w respectively such that
\(\left[\begin{array}{cc}
x-y & 2x+z\\
2x-y & 2x+w
\end{array}\right]\) = \(\left[\begin{array}{cc}
5 & 3 \\
12 & 15
\end{array}\right]\)
(a) 7, 2, 1, 1
(b) 7, 5, 3, 8
(c) 1, 2, 5, 6
(d) 6, 3, 2, 1

Question 57.
If \(\left[\begin{array}{cc}
a+b & 2\\
5 & ab
\end{array}\right]\) = \(\left[\begin{array}{cc}
6 & 2 \\
5 & 8
\end{array}\right]\) then find the value of a and b respectively
(a) 2, 4
(b) 4, 2
(c) Both (a) and (b)
(d) None of these

Question 58.
For what values of x and y are the following matrices equal
A = \(\left[\begin{array}{cc}
2x+1 & 3y\\
0 & y^{2}-5y
\end{array}\right]\) B = \(\left[\begin{array}{cc}
x+3 & y^{2}+2 \\
0 & -6
\end{array}\right]\)
(a) 2, 3
(b) 3, 4
(c) 2, 2
(d) 3, 3

Question 59.
If A = \(\left[\begin{array}{cc}
α & 0\\
1 & 1
\end{array}\right]\) and B = \(\left[\begin{array}{cc}
1 & 0 \\
5 & 1
\end{array}\right]\) then find value of α for which A² = B is
(a) 1
(b) -1
(c) 4
(d) None of these

Question 60.
If P = \(\left[\begin{array}{ccc}
i & 0 & -i \\
0 & -i & i \\
-i & i & 0
\end{array}\right]\) and Q = \(\left[\begin{array}{cc}
-i & i \\
0 & 0 \\
i & -i
\end{array}\right]\) then PQ is equal to
(a) \(\left[\begin{array}{cc}
-2 & 2 \\
1 & -1 \\
1 & -1
\end{array}\right]\)
(b) \(\left[\begin{array}{cc}
2 & -2 \\
-1 & 1 \\
-1 & 1
\end{array}\right]\)
(c) \(\left[\begin{array}{cc}
2 & -2\\
-1 & 1
\end{array}\right]\)
(d) \(\left[\begin{array}{ccc}
1 & 0 & 0 \\
0 & 1 & 0 \\
0 & 0 & 1
\end{array}\right]\)

Question 61.
\(\left[\begin{array}{c}
1 & x & 1
\end{array}\right]\) \(\left[\begin{array}{ccc}
1 & 3 & 2 \\
2 & 5 & 1 \\
15 & 3 & 2
\end{array}\right]\) \(\left[\begin{array}{c}
1 \\
2 \\
x
\end{array}\right]\)
(a) -7
(b) -11
(c) -2
(d) 14

Question 62.
If A = \(\left[\begin{array}{cc}
1 & -1\\
2 & -1
\end{array}\right]\) B = \(\left[\begin{array}{cc}
x & 1\\
y & -1
\end{array}\right]\) and (A + B)² = A² + B², then x + y is
(a) 2
(b) 3
(c) 4
(d) 5

Question 63.
If AB = A and BA = B, then
(a) B = 1
(b)A = I
(c) A² = A
(d) B² = I

Question 64.
If A = \(\left[\begin{array}{ccc}
1 & 0 & 0 \\
0 & 1 & 0 \\
a & b & -1
\end{array}\right]\) then (A – I) (A + I) = 0 for
(a) a = b = 0 only
(b) a = 0 only
(c) b = 0 only
(d) any a and b

Question 65.
If A = \(\left[\begin{array}{cc}
1 & 1\\
0 & 2
\end{array}\right]\) then A⁸ – 2⁸ (A – I)
(a) I – A
(b) 2I – A
(c) I + A
(d) A – 2I

Question 66.
If A = \(\left[\begin{array}{ccc}
2 & 2 & 1 \\
1 & 3 & 1 \\
1 & 2 & 2
\end{array}\right]\) then A³ – 7A² + 10A =
(a) 5I + A
(b) 5I – A
(c) 5I
(d) 6I

Question 67.
If A is a m × n matrix such that AB and BA are both defined, then B is an
(a) m × n matrix
(b) n × m matrix
(c) n × n matrix
(d) m × m matrix

Question 68.
If A = \(\left[\begin{array}{cc}
1 & 2\\
3 & 4
\end{array}\right]\) then A² – 5A is equal to
(a) 2I
(b) 3I
(c) -2I
(d) null matrix

Question 69.
If A = \(\left[\begin{array}{cc}
-2 & 4\\
-1 & 2
\end{array}\right]\) then A² is
(a) null matrix
(b) unit matrix
(c) \(\left[\begin{array}{cc}
0 & 0\\
0 & 0
\end{array}\right]\)
(d) \(\left[\begin{array}{cc}
0 & 0\\
0 & 1
\end{array}\right]\)

Question 70.
If A and B are 2 × 2 matrices, then which of the following is true?
(a) (A + B)² = A² + B² + 2AB
(b) (A – B)² = A² + B² – 2AB
(c) (A – B)(A + B) = A² + AB – BA – B²
(d) (A + B) (A – B) = A² – B²

We hope the given NCERT MCQ Questions for Class 12 Maths Chapter 3 Matrices with Answers Pdf free download will help you. If you have any queries regarding Matrices CBSE Class 12 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below Online Education NCERT MCQ Questions for Class 12 Physics Chapter 10 Wave Optics with Answers Pdf free download. MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. We have provided Wave Optics Class 12 Physics MCQs Questions with Answers to help students understand the concept very well.

Wave Optics Class 12 MCQs Questions with Answers

Wave Optics MCQ Questions With Answers Question 1.
What happens if one of the slits, say S₁ in Young’s double , slit experiment-is covered with a glass plate which absorbs half the intensity of light from it?
(a) The bright fringes become less-bright and the dark fringes have a finite light intensity
(b) The bright fringes become brighter and the dark fringes become darker
(c) The fringe width decreases
(d) No fringes will be observed

Wave Optics Class 12 MCQ Question 2.
What happens to the interference pattern the two slits S₁ and S₂ in Young’s double experiment are illuminated by two independent but identical sources?
(a) The intensity of the bright fringes doubled
(b) The intensity of the bright fringes becomes four times
(c) Two sets of interference fringes overlap
(d) No interference pattern is observed

MCQ On Wave Optics Class 12 Question 3.
What is the reason for your answer to the above question?
(a) The two sources do not emit light of the same wavelength
(b) The two sources emit waves which travel with different speeds
(c) The two sources emit light waves of different amplitudes
(d) There is not constant phase difference between the waves emitted by the two sources

Wave Optics MCQ Questions With Answers Pdf Question 4.
A single slit diffraction pattern is obtained using a beam of red light What happened the red light is replaced by the blue light?
(a) There is no change in diffraction pattern
(b) Diffraction fringes become narrower and crowded
(d) Diffraction fringes become broader and farther apart
(d) The diffraction pattern disappear

Wave Optics Class 12 MCQ Pdf Question 5.
When a polaroid is rotated, the intensity of light varies but never reduces to zero. It shows that the incident light is:
(a) unpolarised
(b) completely plane polarised
(c) partially plane polarised
(d) None of the above

MCQ Of Wave Optics Class 12 Question 6.
When a polaroid is rotated, the intensity of light does not vary. The incident light may be:
(a) unpolarised
(b) completely polarised
(c) partially plane polarised
(d) None of the above

Wave Optics Class 12 MCQ Questions Question 7.
In Young’s double slit experiment, a maximum is obtained when the path difference between the interfering waves is (n ∈ l):
(a) nλ
(b) n \(\frac{λ}{2}\)
(c) (2n + 1) \(\frac{λ}{2}\)
(d) (2n – 1) \(\frac{λ}{4}\)

Wave Optics Objective Questions Question 8.
For sustained interference, we need two sources which
emit radiations :
(a) of the same intensity
(b) of the same amplitude
(c) having a constant phase difference
(d) None of these

Wave Optics MCQ Class 12 Question 9.
Two sources of light are said to be coherent when both give out light waves of the same:
(a) amplitude and phase
(b) intensity and wavelength
(c) speed
(d) wavelength and a constant phase difference

Wave Optics MCQ Questions Question 10.
The intensity of light emerging from the two slits, in Young’s experiment is in the ratio 1 : 4. The ratio of,the intensity of the minimum to that of the consecutive maximum will be:
(a) 1 : 4
(b) 1 : 9
(c) 1 : 16
(d) 2 : 3

MCQ Questions On Wave Optics Question 11.
Poisson’s bright spot was discovered by:
(a) Fresnel
(b) Rayleigh
(c) Poisson
(d) Fraunhoffer

MCQ Wave Optics Class 12 Question 12.
The theory of expanding universe is confirmed by the observation of the spectral lines of the star, which shows :
(a) green shift
(b) red shift
(c) violet shift
(d) yellow shift

Wave Optics MCQ Questions With Answers Pdf Download Question 13.
The application of Doppler effect are:
(a) Doppler spectrometer
(b) Doppler radius
(c) Doppler velocimeter
(d) All of these

MCQs On Wave Optics Question 14.
Which of the following is conserved when light waves interefere?
(a) phase
(b) intensity
(c) amplitude
(d) none of these

Question 15.
In Young double slit experiment, a minimum is obtained when the phase difference of the superposing waves, is (n ∈ l):
(a) nπ
(b) (n + \(\frac{1}{2}\))π
(c) (2n + 1)π
(d) zero

Question 16.
The angle of minimum deviation of a prism depends upon the aggie of:
(a) incidence
(b) reflection
(c) prism
(d) none of these

Question 17.
he minimum value of the refractive index is:
(a) zero
(b) 1
(c) less than 1 but not zero
(d) more than 1

Question 18.
Polarization of light prove the :
(a) corpuscular nature of light
(b) quantum nature of light
(c) Transverse wave nature of light
(d) Longitudinal wave nature of light

Question 19.
Out of the following Statements which is not correct?
(a) When unpolarised light passes through Nicol’s prism, the emergent light is elliptically polarized
(b) Nicol’s prism works on the principle of double refraction and T.l.R.
(c) Nicol’s prism can be used both the produce and analyse polarized light
(d) Calcite and Quartz are both double refracting crystal

Question 20.
Polaroid glasses is used in sun glasses because :
(a) It reduces the light intensity to half on account of polarization
(b) It is fashionable
(c) It has good colour
(d) It is cheaper

Question 21.
In vacuum, the speed of light depends upon :
(a) frequency
(b) velocity
(c) wave length
(d) None of these

Question 22.
The fringe width (β) of a diffraction pattern and the slit width d are related as:
(a) β ∝ d
(b) β ∝\(\frac{1}{d}\)
(c) β ∝ √d
(d) β ∝ \(\frac{1}{d^2}\)

Question 23.
C.V. Raman was awarded the Nobel prize for his work associated with which of the following phenomenon of radiations?
(a) scattering
(b) diffraction
(c) interference
(d) polarisation

Question 24.
Light takes 10^-10 to cross a glass slab. What is the thickness of the glass slab?
(a) 2 cm
(b) 3 cm
(c) 2.5 cm
(d) 3.5 cm

Question 25.
In Young’s double slit experiment, the central point on the screen is:
(a) bright
(b) dark
(c) first bright and later dark
(d) first dark and later bright

Question 26.
Between the slit is id\ the distance between the slit and the screen is α, with light of wavelength λ, the number of fringe observed per metre on the screen is:
(a) \(\frac{δy}{α}\)
(b) \(\frac{Dα}{λ}\)
(c) \(\frac{α}{Dλ}\)
(d) \(\frac{λd}{D}\)

Question 27.
In Young’s double slit experiment the distance between the slit and the screen is doubled and the separation between the slit is reduced to half. The fringe width:
(a) is doubled
(b) become four time
(c) is halfed
(d) remain unchanged

Question 28.
In a Young’s double slit experiment the distance between the slit is 1 mm and the distance of screen from the slit is 1 m. If light of wavelength 6000 A is used then the fringe width is:
(a) 0.4 mm
(b) 0.5 mm
(c) 0.6 mm
(d) 0.8 mm

Question 29.
A person cannot see object clearly beyond 50 cm. The pow er of the lens to correct his vision is :
(a) +0.5 dioptre
(b) -0.5 dioptre
(c) -2 dioptre
(d) +2 dioptre

Question 30.
A phase difference of 5π corresponds to a path difference (in terms of λ) of:
(a) 5λ
(b) 10λ.
(c) 5λ/2
(d) 2λ

Question 31.
A polaroid produces a strong beam of light which is :
(a) circularly polarised
(b) elliptically polarised
(c) plane polarised
(d) unpolarised

Question 32.
Images of a distant lamp seen through a fire cloth rotate on rotating the cloth. This is due to the phenomenon of:
(a) interference
(b) diffraction
(c) polarisation
(d) scattering

Question 33.
A young’s double slit experiment uses a monochromatic source. The shape of interference fringes formed on a screen is :
(a) parabola
(b) straight line
(c) circle
(d) hyperbola

Question 34.
A monochromatic light is refracted from air into a glass of refractive index µ. The ratio of the wavelengths of the incident and the refracted waves is:
(a) 1 : µ
(b) 1 : µ²
(c) µ : 1
(d) µ² : 1

Question 35.
The focal length of the lens is 50 cm; then its power is:
(a) +2D
(b) +1D
(c) -2D
(d) -1D

Question 36.
In the above question, the number of the lens is:
(a) +2
(b) +1
(c) -2
(d) -1

Question 37.
The refractive index of diamond is about:
(a) 1
(b) 1.42
(c) 2.42
(d) 4.24

Question 38.
Two lenses having power +6 D and -4 D are placed in contact. The power of the combination is
(a) -2D
(b) -4D
(c) +4D
(d) +2 D

Question 39.
Diffraction was discovered by :
(a) Grimaldi
(b) Thomas Young
(c) Malus
(d) Huygens

Question 40.
The electromagnetic wave theory of light fails to explain :
(a) compton effect
(b) photoelectric effect
(c) neither (a) nor (b)
(d) Both (a) and (b)

We hope the given NCERT MCQ Questions for Class 12 Physics Chapter 10 Wave Optics with Answers Pdf free download will help you. If you have any queries regarding Wave Optics CBSE Class 12 Physics MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below Online Education NCERT MCQ Questions for Class 12 Physics Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits with Answers Pdf free download. MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. We have provided Semiconductor Electronics: Materials, Devices and Simple Circuits Class 12 Physics MCQs Questions with Answers to help students understand the concept very well.

Semiconductor Electronics: Materials, Devices and Simple Circuits Class 12 MCQs Questions with Answers

MCQ On Semiconductor Class 12 Chapter 14 Question 1.
Bonds in a semiconductor :
(a) trivalent
(b) covalent
(c) bivalent
(d) monovalent

Semiconductor Class 12 MCQ Chapter 14 Question 2.
Number of electrons in the valence shell of a semiconductor is:
(a) 1
(b) 2
(c) 3
(d) 4

Class 12 Semiconductor MCQ Chapter 14 Question 3.
Semiconductors of both p-type and n-type are produced by:
(a) ionic solids
(b) covalent solids
(c) metallic solids
(d) molecular solids

Semiconductor MCQ Class 12 Chapter 14 Question 4.
With fall of temperature, the forbidden energy gap of a semiconductor
(a) increases
(b) decreases
(c) sometimes increases and sometimes decreases
(d) remains unchanged

It can solve systems of linear equations or systems involving nonlinear function calculator.

Semiconductor Class 12 MCQ Pdf Chapter 14 Question 5.
In a p-type semiconductor, current conduction is by:
(a) atoms
(b) holes
(c) electrons
(d) protons

MCQ Of Semiconductor Class 12 Chapter 14 Question 6.
The relation between number of free electrons (n) in a semiconductor and temperature (T) is given by:
(a) n ∝ T
(b) n ∝ T²
(c) n ∝ T^1/2
(d) n ∝ T^3/2

Semiconductor MCQs Class 12 Chapter 14 Question 7.
In reverse biasing:
(a) large amount of current flows
(b) no current flows
(c) potential barrier across junction increases
(d) depletion layer resistance increases

Chapter 14 Physics Class 12 MCQs Chapter 14 Question 8.
Main function of a transistor is to :
(a) rectify
(b) simplify
(c) amplify
(d) all the above

Semiconductor Questions And Answers Pdf Class 12 Chapter 14 Question 9.
To obtain p-type silicon semiconductor, we need to dope pure silicon with:
(a) aluminium
(b) phosphorus
(c) oxygen
(d)germanium

MCQ Semiconductor Physics Chapter 14 Question 10.
On applying reverse bias to a junction diode, it:
(a) lowers the potential barrier
(b) raise the potential barrier
(c) increases the majority carrier current
(d) increases the minority carrier current

Semiconductor MCQ Chapter 14 Question 11.
For germanium crystal, the forbidden energy gap in joules
(a) 1.216 × 10^-19
(b) 1.76 × 10^-19
(c) 1.6 × 10^-19
(d) zero

Semiconductors Class 12 MCQ Chapter 14 Question 12.
To obtain electrons as majority charge carriers in a semiconductors the impurity mixed is:
(a) monovalent
(b) divalent
(c) trivalent
(d) pentavalent

Semiconductor Physics MCQ Chapter 14 Question 13.
In the middle of the depletion layer of a reverse biased p-n junction, the:
(a) electric field is zero
(b) potential is maximum
(c) electric field is maximum
(d) potential zero.

Semiconductor Class 12 MCQ Pdf Download Chapter 14 Question 14.
In a common base amplifier the phase difference between the input signal voltage and output voltage is :
(a) π/2
(b) 0
(c) π/4
(d) π

MCQ On Semiconductor Chapter 14 Question 15.
Energy bands in solids are a consequence of:
(a) Ohm’s Law
(b) Pauli’s exclusion principle
(c) Bohr’s theory
(d) Heisenberg’s uncertainty principle

Semiconductor MCQ Questions Chapter 14 Question 16.
In semi conductor which are responsible for conduction:
(a) only electron
(b) electron and hole both
(c) only hole
(d) None of these

Semiconductor Devices MCQ Chapter 14 Question 17.
In binary system III represents:
(a) 1
(b) 3
(c) 7
(d) 100

Semiconductors MCQ Chapter 14 Question 18.
On heating, resistance of semiconductors:
(a) decreases
(b) increases
(c) remains same
(d) first increases then decreases

MCQ Questions On Semiconductors Chapter 14 Question 19.
p-n junction diode can be used as:
(a) amplifier
(b) oscillator
(c) detector
(d) modulator

Question 20.
In intrinsic semiconductor at room temperature, the number of electrons and holes are:
(a) equal
(b) unequal
(c) infinite
(d) zero

Question 21.
A forward biased diode is:

Question 22.
In full wave rectifier, input a.c. current has a frequency v. The output frequency of current is :
(a) V/2
(b) V
(c) 2V
(d) None

Question 23.
Winch of the following gate is not an universal gate?
(a) OR
(b) NOT
(c) AND
(d) NAND

Question 24.
Zener diode is used for:
(a) producing oscillations in a oscillator
(b) amplification
(c) stabilisation
(d) rectification

Question 25.
In semi conductor, at room temperature :
(a) the valence bond is partially empty and the conduction band is partially filled
(b) the valence band is completely filled and the conduction band is partially filled
(c) the valence band is completely filled
(d) the conduction band is completely empty

Question 26.
Crystal diode is:
(a) amplifying device
(b) fluctuating device
(c) non-linear device
(d) linear device

Question 27.
The part of a transistor which is heavily doped to produce a large number of majority carriers is :
(a) base
(b) emitter
(c) collector
(d) None of these

Question 28.
A p-type semiconductor is:
(a) negatively charged
(b) positively charged
(c) uncharged
(d) None of these

Question 29.
The material most commonly used to manufacture electronic solid state devices is :
(a) copper
(b) silicon
(c) germanium
(d) aluminium

Question 30.
What is the number of possible crystal systems?
(a) 5
(b) 7
(c) 14
(d) 16

We hope the given NCERT MCQ Questions for Class 12 Physics Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits with Answers Pdf free download will help you. If you have any queries regarding Semiconductor Electronics: Materials, Devices and Simple Circuits CBSE Class 12 Physics MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 12 Maths Chapter 1 Relations and Functions with Answers Pdf free download. MCQ Questions for Class 12 Maths with Answers were prepared based on the latest exam pattern. We have provided Relations and Functions Class 12 Maths MCQs Questions with Answers to help students understand the concept very well.

Relations and Functions Class 12 MCQs Questions with Answers

Relation And Function Class 12 MCQ Question 1.
If f(x₁) = f (x₂) ⇒ x₁ = x₂ ∀ x₁ x₂ ∈ A then the function f: A → B is
(a) one-one
(b) one-one onto
(c) onto
(d) many one

Relations And Functions Class 12 MCQ Question 2.
What type of a relation is R = {(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} on the set A – {1, 2, 3, 4}
(a) Reflexive
(b) Transitive
(c) Symmetric
(d) None of these

MCQ On Relation And Function Class 12 Question 3.
If F : R → R such that f(x) = 5x + 4 then which of the following is equal to f^-1(x).
(a) \(\frac{x-5}{4}\)
(b) \(\frac{x-y}{5}\)
(c) \(\frac{x-4}{5}\)
(d) \(\frac{x}{4}\) -5

MCQ Of Relation And Function Class 12 Question 4.
If an operation is defined by a* b = a² + b², then (1 * 2) * 6 is
(a) 12
(b) 28
(c) 61
(d) None of these

Relation And Function MCQ Question 5.
Consider the binary operation * on a defined by x * y = 1 + 12x + xy, ∀ x, y ∈ Q, then 2 * 3 equals
(a) 31
(b) 40
(c) 43
(d) None of these

Class 12 Maths Chapter 1 MCQ Questions Question 6.
The range of the function f(x) = \(\sqrt{(x-1)(3-x)}\) is
(a) [1, 3]
(b) [0, 1]
(c) [-2, 2]
(d) None of these

Relation And Function Class 12 MCQ Questions Question 7.
If f: R → R defined by f(x) = 2x + 3 then f^-1(x) =
(a) 2x – 3
(b) \(\frac{x-3}{2}\)
(c) \(\frac{x+3}{2}\)
(d) None of these

Class 12 Maths Chapter 1 MCQ Question 8.
The function f(x) = log (x² + \(\sqrt{x^2+1}\) ) is
(a) even function
(b) odd function
(c) Both
(d) None of these

Relation And Function MCQ Class 12 Question 9.
Let E = {1, 2, 3, 4} and F = {1, 2} Then, the number of onto functions from E to F is
(a) 14
(b) 16
(c) 12
(d) 8

MCQ Of Maths Class 12 Chapter 1 Question 10.
If A, B and C are three sets such that A ∩ B = A ∩ C and A ∪ B = A ∪ C. then
(a) A = B
(b) A = C
(c) B = C
(d) A ∩ B = d

Relations And Functions MCQ Question 11.
Let A = {1, 2}, how many binary operations can be defined on this set?
(a) 8
(b) 10
(c) 16
(d) 20

MCQ Relation And Function Class 12 Question 12.
Let A = {1, 2, 3, 4,…. n} How many bijective function f : A → B can be defined?
(a) \(\frac{1}{2}\)n

(d) n

Class 12 Maths Ch 1 MCQ Questions Question 13.
If A = (1, 2, 3}, B = {6, 7, 8} is a function such that f(x) = x + 5 then what type of a function is f?
(a) Many-one onto
(b) Constant function
(c) one-one onto
(d) into

Relation Function Class 12 MCQ Question 14.
Let function R → R is defined as f(x) = 2x³ – 1, then ‘f’ is
(a) 2x³ + 1
(b) (2x)³ + 1
(c) (1 – 2x)³
(d) (\(\frac{1+x}{2}\))^1/3

Relation And Function Class 12 MCQ Term 1 Question 15.
Let the functioin ‘f’ be defined by f (x) = 5x² + 2 ∀ x ∈ R, then ‘f’ is
(a) onto function
(b) one-one, onto function
(c) one-one, into function
(d) many-one into function

MCQs On Relations And Functions Class 12 Question 16.
A relation R in human being defined as, R = {{a, b) : a, b ∈ human beings : a loves A} is-
(a) reflexive
(b) symmetric and transitive
(c) equivalence
(d) None of these

Class 12 Relation And Function MCQ Question 17.
If f(x) + 2f (1 – x) = x² + 2 ∀ x ∈ R, then f(x) =
(a) x² – 2
(b) 1
(c) \(\frac{1}{3}\) (x – 2)²
(d) None of these

MCQ Questions On Relations And Functions Class 12 Question 18.
The period of sin² θ is
(a) π²
(b) π
(c) 2π
(d) \(\frac{π}{2}\)

Class 12 Maths MCQ Chapter 1 Question 19.
The domain of sin-1 (log (x/3)] is. .
(a) [1, 9]
(b) [-1, 9]
(c) [-9, 1]
(d) [-9, -1]

Ch 1 Maths Class 12 MCQ Question 20.
f(x) = \(\frac{log_2(x+3)}{x^2+3x+2}\) is the domain of
(a) R – {-1, -2}
(b) (- 2, ∞) .
(c) R- {- 1,-2, -3}
(d) (-3, + ∞) – {-1, -2}

Class 12 Relations And Functions MCQ Question 21.
If the function f(x) = x³ + e^x/2 and g (x) = fⁿ(x), then the value of g'(1) is
(a) 1
(b) 2
(c) 3
(d) 4

Chapter 1 Maths Class 12 MCQ Question 22.
What type of relation is ‘less than’ in the set of real numbers?
(a) only symmetric
(b) only transitive
(c) only reflexive
(d) equivalence

Relations And Functions Class 12 MCQs Question 23.
If A = [1, 2, 3}, B = {5, 6, 7} and f: A → B is a function such that f(x) = x + 4 then what type of function is f?
(a) into
(b) one-one onto
(c) many-onto
(d) constant function

Relation And Function Class 12th MCQ Question 24.
f: A → B will be an into function if
(a) range (f) ⊂ B
(b) f(a) = B
(c) B ⊂ f(a)
(d) f(b) ⊂ A

Question 25.
If f : R → R such that f(x) = 3x then what type of a function is f?
(a) one-one onto
(b) many one onto
(c) one-one into
(d) many-one into

Question 26.
If f: R → R such that f(x) = 3x – 4 then which of the following is f^-1(x)?
(a) \(\frac{1}{3}\) (x + 4)
(b) \(\frac{1}{3}\) (x – 4)
(c) 3x – 4
(d) undefined

Question 27.
A = {1, 2, 3} which of the following function f: A → A does not have an inverse function
(a) {(1, 1), (2, 2), (3, 3)}
(b) {(1, 2), (2, 1), (3, 1)}
(c) {(1, 3), (3, 2), (2, 1)}
(d) {(1, 2), (2, 3), (3, 1)

Question 28.
Let T be the set of all triangles in the Euclidean plane, and let a relation R on T be defined as aRb if a congruent to b ∀ a, b ∈ T. Then R is
(a) reflexive but-not transitive
(b) transitive but not symmetric
(c) equivalence
(d) None of these

Question 29.
Consider the non-empty set consisting of children is a family and a relation R defined as aRb If a is brother of b. Then R is
(a) symmetric but not transitive
(b) transitive but not symmetric
(c) neither symmetric nor transitive
(d) both symmetric and transitive

Question 30.
The maximum number of equivalence relations on the set A = {1, 2, 3} are
(a) 1
(b) 2
(c) 3
(d) 5

Question 31.
If a relation R on the set {1, 2, 3} be defined by R = {(1, 2)}, then R is
(a) reflexive
(b) transitive
(c) symmetric
(d) None of these

Question 32.
Let us define a relation R in R as aRb if a ≥ b. Then R is
(a) an equivalence relation
(b) reflexive, transitive but not symmetric
(c) neither transitive nor reflexive but symmetric
(d) symmetric, transitive but not reflexive

Question 33.
Let A = {1, 2, 3} and consider the relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)}. Then R is
(a) reflexive but not symmetric
(b) reflexive-but not transitive.
(c) symmetric and transitive
(d) neither symmetric, nor transitive

Question 34.
The identity element for the binary operation * defined on Q ~ {0} as
a * b = \(\frac{ab}{2}\) ∀ a, b ∈ Q ~ {0} is
(a) 1
(b) 0
(c) 2
(d) None of these

Question 35.
If the set A contains 5 elements and the set B contains 6 elements, then the number of one-one and onto mappings from A to B is
(a) 720
(b) 120
(c) 0
(d) None of these

Question 36.
Let A = {1, 2,3,…. n} and B = { a, b}. Then the number of surjections from A into B is
(a) ⁿP₂
(b) 2ⁿ – 2
(c) 2ⁿ – 1
(d) None of these

Question 37.
Let f : R → R be defined by f (x) = \(\frac{1}{x}\) ∀ x ∈ R. Then f is
(a) one-one
(b) onto
(c) bijective
(d) f is not defined

Question 38.
Let f: R → R. be defined by f (x) = 3x² – 5 and g : R → R by g (x) = \(\frac{x}{x^2+1}\). Then g o f is

Question 39.
Which of the following functions from Z into Z are bijective?
(a) f(x) = x³
(b) f(x) = x + 2
(c) f(x) = 2x + 1
(d) f{x) = x² + 1

Question 40.
Let f: R → R be the function defined by f(x) = x³ + 5. Then f^-1 (x) is
(a) (x + 5)^1/3
(b) (x -5)^1/3
(c) (5 – x)^1/3
(d) 5 – x

Question 41.
Let f: A → B and g : B → C be the bijective functions. Then (g o f)^-1 is,
(a) f^-1 o g^-1
(b) f o g
(c ) g^-1 o f^-1
(d) g o f

Question 42.
Let f: R – {\(\frac{3}{5}\)} → R be defined by f(x) = \(\frac{3x+2}{5x-3}\) then
(a) f^-1(x) = f(x)
(b) f^-1(x) = -f(x)
(c ) (f o f)x = -x
(d ) f^-1(x) = \(\frac{1}{19}\) f(x)

Question 43.
Let f: [0, 1| → [0, 1| be defined by

(a) Constant
(b) 1 + x
(c) x
(d) None of these

Question 44.
Let f: |2, ∞) → R be the function defined by f(x) – x² – 4x + 5, then the range of f is
(a) R
(b) [1, ∞)
(c) [4, ∞)
(d) [5, ∞)

Question 45.
Let f: N → R be the function defined by f(x) = \(\frac{2x-1}{2}\) and g: Q → R be another function defined by g (x) = x + 2. Then (g 0 f) \(\frac{3}{2}\) is
(a) 1
(b) 0
(c) \(\frac{7}{2}\)
(d) None of these

Question 46.
Let f: R → R be defined by

then f(- 1) + f (2) + f (4) is
(a) 9
(b) 14
(c) 5
(d) None of these

Question 47.
Let f : R → R be given by f (,v) = tan x. Then f^-1(1) is
(a) \(\frac{π}{4}\)
(b) {nπ + \(\frac{π}{4}\) : n ∈ Z}
(c) does not exist
(d) None of these

Question 48.
The relation R is defined on the set of natural numbers as {(a, b): a = 2b}. Then, R^-1 is given by
(a) {(2, 1), (4, 2), (6, 3),….}
(b) {(1, 2), (2, 4), (3, 6),….}
(c) R^-1 is not defined
(d) None of these

Question 49.
The relation R = {(1,1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)} on set A = {1, 2, 3} is
(a) Reflexive but not symmetric
(b) Reflexive but not transitive
(c) Symmetric and transitive
(d) Neither symmetric nor transitive

Question 50.
Let P = {(x, y) | x² + y² = 1, x, y ∈ R]. Then, P is
(a) Reflexive
(b) Symmetric
(c) Transitive
(d) Anti-symmetric

Question 51.
Let R be an equivalence relation on a finite set A having n elements. Then, the number of ordered pairs in R is
(a) Less than n
(b) Greater than or equal to n
(c) Less than or equal to n
(d) None of these

Question 52.
For real numbers x and y, we write xRy ⇔ x – y + √2 is an irrational number. Then, the relational R is
(a) Reflexive
(b) Symmetric
(c) Transitive
(d) None of these

Question 53.
Let R be a relation on the set N be defined by {(x, y) | x, y ∈ N, 2x + y = 41}. Then R is
(a) Reflexive
(b) Symmetric
(c) Transitive
(d) None of these

Question 54.
Which one of the following relations on R is an equivalence relation?
(a) aR₁b ⇔ |a| = |b|
(b) aR₂b ⇔ a ≥ b
(c) aR₃b ⇔ a divides b
(d) aR₄b ⇔ a < b

Question 55.
Let R be a relation on the set N of natural numbers denoted by nRm ⇔ n is a factor of m (i.e. n | m). Then, R is
(a) Reflexive and symmetric
(b) Transitive and symmetric
(c) Equivalence
(d) Reflexive, transitive but not symmetric

We hope the given NCERT MCQ Questions for Class 12 Maths Chapter 1 Relations and Functions with Answers Pdf free download will help you. If you have any queries regarding Relations and Functions CBSE Class 12 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes with Answers Pdf free download. MCQ Questions for Class 12 Chemistry with Answers were prepared based on the latest exam pattern. We have provided Haloalkanes and Haloarenes Class 12 Chemistry MCQs Questions with Answers to help students understand the concept very well.

Haloalkanes and Haloarenes Class 12 MCQs Questions with Answers

Haloalkanes And Haloarenes Class 12 MCQ Question 1.
Good conductor of electricity and heat is
(a) Anthracite coke
(b) Diamond
(c) Graphite
(d) Charcoal

Haloalkanes And Haloarenes MCQ Question 2.
In which of the following allotropes of carbon, percentage of carbon is maximum?
(a) Wood charcoal
(b) Coconut charcoal
(c) Graphite
(d) None of these

MCQ Of Haloalkanes And Haloarenes Class 12 Question 3.
The hybridisation of carbon in diamond is
(a) sp³
(b) sp²
(c) sp
(d) dsp²

MCQ On Haloalkanes And Haloarenes Class 12 Question 4.
Organic compound must contain an element
(a) oxygen
(b) carbon
(c) hydrogen
(d) nitrogen

Solve using Substitution Calculator solves the linear equations having unknown variables in a fraction of seconds.

Haloalkanes And Haloarenes MCQ Questions With Answers Pdf Question 5.
Alkene gives which of the following reactions?
(a) Addition reaction
(b) Substitution reaction
(c) Both (a) and (b)
(d) None of these

Class 12 Chemistry Haloalkanes And Haloarenes MCQ Question 6.
Single bond length between carbon-carbon is
(a) 1.34 Å
(b) 1.20 Å
(c) 1.54 Å
(d) none of these

Haloalkane And Haloarene MCQ Question 7.
Valency of carbon is
(a) 1
(b) 2
(c) 3
(d) 4

Class 12 Haloalkanes And Haloarenes MCQ Question 8.
Criteria for purity of organic solid is
(a) boiling point
(b) melting point
(c) specific gravity
(d) none of these

Haloalkanes And Haloarenes Class 12 MCQ With Answers Question 9.
General formula of Alkene is
(a) C_nH_2n
(b) C_nH_2n+2
(c) C_nH_2n-2
(d) none of these

MCQ Questions On Haloalkanes And Haloarenes Question 10.
Hybridisation of carbon in ethane is
(a) sp³
(b) sp²
(c) sp
(d) sp³d²

Class 12 Chemistry Chapter 10 MCQ Question 11.
Number of π bonds in ethyne is
(a) 1
(b) 2
(c) 3
(d) 4

Haloalkanes And Haloarenes MCQ Class 12 Question 12.
The compound having general formula C_nH_2n+2 is
(a) Alkene
(b) Alkyne
(c) Alkane
(d) none of these

MCQ Haloalkanes And Haloarenes Question 13.
Which of the following is not correctly matched with its IUPAC name?
(a) CHF₂CBrClF : 1-Bromo-1-chIoro-1, 2, 2-trifluoroethane
(b) (CCl₃)₃CCl : 2-(Trichloromethyl)-1, 1, 2, 3, 3-heptachloropropane
(c) CH₃C (p-ClC₆H₄)₂CH(Br)CH₃ : 2-Bromo-3, 3-bis (4- chlorophenyl) butane
(d) o-BrC₆H₄CH (CH₃) CH₂CH₃ : 2-Bromo-l- methylpropylbenzene

Haloalkanes And Haloarenes Class 12 MCQs Question 14.
The negative part of the addendum (the molecule to be added) adds on the carbon atom of the double bond containing the least number of hydrogen atoms. This rule is known as
(a) Saytzeffs rule
(b) Peroxide rule
(c) Markovnikov’s rule
(d) van’t hoff rule

MCQ Questions On Haloalkanes And Haloarenes Class 12 Question 15.
Which of the following compounds can yield only one monochlorinafed product upon free radical chlorination?
(a) 2, 2-Dimethylpropane
(b) 2-Methylpropane
(c) 2-Methylbutane
(d) n-Butane

Question 16.
The reaction

is an example of
(a) nucleophilic addition
(b) free radical addition
(c) electrophilic addition
(d) electrophilic substitution

Integration by Substitution Calculator online with solution and steps.

Question 17.
Halogen acids react with alcohols to form alkyl halides. The reaction follows a nucleophilic substitution mechanism. What will be the product of the following reaction?

(d) CH₃CH₂CH₂CH₂CH₂Cl

Question 18.
Bromination of methane in presence of sunlight is a
(a) nucleophilic substitution
(b) free radical substitution
(c) electrophilic substitution
(d) nucleophilic addition

Question 19.
Which of the following reactions follows Markovnikov’s rule?
(a) C₂H₄ + HBr
(b) C₃H₆ + Cl₆
(c) C₃H₆ + HBr
(d) C₃H₆ + Br₂

Question 20.
The reaction of toluene with chlorine in presence of FeCl₃ gives predominantly.
(a) amixture of o-and p-chlorotoluene
(b) benzyl chloride
(c) m-chlorotuluene
(d) benzoyl chloride

Question 21.
Which of the following compounds has the highest boiling point?
(a)CH₃CH₂CH₂Cl
(b) CH₃CH₂CH₂CH₂Cl
(c) CH₃CH(CH₃)CH₂Cl
(d) (CH₃)₃CCl

Question 22.
Which of the following molecules has highest dipole moment?
(a) CH₃Cl
(b) CH₂Cl₂
(c) CHCl₅
(d) CCl₄

Question 23.
Arrange the following compounds in-decreasing order of their boiling points
(i) CH₃Br
(ii) CH₃CH₂Br
(iii) CH₃CH₂CH₂Br
(iv) CH₂CH₂CH₂CH₂Br
(a) (i) > (ii) > (iii) > (iv)
(b) (iv) > (iii) > (ii) > (i)
(c) (i) > (iii) > (ii) > (iv)
(d) (iii) > (iv) > (i) > (ii)

Question 24.

X and Y in the reaction are

Question 25.
Alkyl halides are immiscible in water though they are polar because
(a) they react with water to give alcohols
(b) they cannot form hydrogen bonds with water
(c) C -X bond cannot be broken easily
(d) they are stable compounds and are not reactive

Question 26.
Which one of the following is not correct order of boiling .points of the alkyl/aryl halides?
(a) CHCl₃ > CH₂Cl₂
(b) CH₃(CH₂)₃CI > CH₃(CH₂)₂Cl
(c) (CH₃)₃CCl > (CH₃)₂CHCH₂Cl
(d) CH₃(CH₂)₃Cl > CH₃CH₂CHClCH₃

Question 27.
Which of the following compounds will have highest melting point?
(a) Chlorobenzene
(b) o-Dichlorobenzene
(c) m-Dichlorobenzene
(d) p-Dichlorobenzene

Question 28.
Ethyl alcohol is obtained when ethyl chloride is boiled with
(a) alcoholic KOH
(b) aqueous KOH
(c) water
(d) aqueous KMnO₄

Question 29.
Which of the following alkyl halides undergoes hydrolysis with aqueous KOH at the fastest rate?
(a) CH₃CH₂CH₂Cl
(b) CH₃CH₂Cl
(C) CH₃CH₂CH₂CH₂Cl
(d) CH₃CH₂CH (Br) CH₃

Question 30.
Butane nitrile can be prepard by heating.
(a) propyl alcohol with KCN
(b) butyl chloride with KCN
(c) butyl alcohol with KCN
(d) propyl chloride with KCN

Question 31.
Which of the following reactions will give the major and minor products?

(a) (a) is major product and (b) is minor product
(b) (a) is minor product and (b) is major product
(c) Both (a) and (b) are major products
(d) Only (b) is formed and (a) is not formed

Question 32.

The final product in the reaction is
(a) CH₃OH
(b) HCOOH
(c) CH₃OH
(d) CH₃COOH

Question 33.
The end product (Q) is in the following sequence of reaction

Question 34.
Methyl bromide reacts with AgF to give methyl fluoride and silver bromide. This reaction is called
(a) Fittig reaction
(b) Swarts reaction
(c) Wurtz reaction
(d) Finkelstein reaction

Question 35.
The alkyl halide is converted into an alcohol by
(a) elimination
(b) dehydrohalogenation
(c) addition
(d) substitution

Question 36.
A mixture of 1-chloropropane and 2-chloropropane when treated with alcoholic KOH gives
(a) prop-1-ene
(b) prop-2-ene
(c) a mixture of prop-1 -ene and prop-2-ene
(d) propanol

Question 37.
An alkyl halide, RX reacts with KCN to given propane nitrile, RX is
(a) C₃H₇Br
(b) C₄H₉Br
(c) C₂H₅Br
(d) C₅H₁₁Br

Question 38.
In S_N² reactions with the sequence of bond breaking and bond formation is as follows
(a) bond breaking is followed by formation
(b) bond formation is followed by breaking
(c) bond breaking and formation are simultaneously
(d) bond breaking and formation take place randomly

Question 39.
Grignard reagents are formed by the reaction of alkyl halides by warming
(a) with alcoholic solution
(b) with MgCl₂
(c) Mg in presence of dry ether
(d) with MgCO₃

Question 40.
Which of the following is the most reactive towards nucleophilic substitution reaction?
(a) ClCH₂– CH = CH₂
(b) CH₂ = CH-Cl
(c) CH₃CH = CH-Cl
(d) C₆H₆Cl

We hope the given NCERT MCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes with Answers Pdf free download will help you. If you have any queries regarding Haloalkanes and Haloarenes CBSE Class 12 Chemistry MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below Online Education NCERT MCQ Questions for Class 8 Maths Chapter 13 Direct and Inverse Proportions with Answers Pdf free download. MCQ Questions for Class 8 Maths with Answers were prepared based on the latest exam pattern. We have provided Direct and Inverse Proportions Class 8 Maths MCQs Questions with Answers to help students understand the concept very well. https://ncertmcq.com/mcq-questions-for-class-8-maths-with-answers/

Students can also refer to NCERT Solutions for Class 8 Maths Chapter 13 Direct and Indirect Proportions for better exam preparation and score more marks.

Direct and Inverse Proportions Class 8 MCQs Questions with Answers

Direct And Inverse Proportion Class 8 MCQ Question 1.
10 metres of cloth cost Rs 1000. What will 4 metres cost ?
(a) Rs 400
(b) Rs 800
(c) Rs 200
(d) Rs 100.

Direct And Inverse Variation Class 8 MCQ Question 2.
15 books weigh 6 kg. What will 6 books weigh ?
(a) 1.2 kg
(b) 2.4 kg
(c) 3.8 kg
(d) 3 kg.

MCQ On Direct And Inverse Proportion Class 8 Question 3.
A horse eats 18 kg of com in 12 days ? How much does he eat in 9 days ?
(a) 11.5 kg
(b) 12.5 kg
(c) 13.5 kg
(d) 14.5 kg.

MCQ Questions For Class 8 Maths Direct And Inverse Proportion Question 4.
8 g of sandal wood cost Rs 40. What will 10 g cost ?
(a) Rs 30
(b) Rs 36
(c) Rs 48
(d) Rs 50.

Class 8 Direct And Inverse Proportion MCQ Question 5.
20 trucks can hold 150 metric tonnes. How much will 12 trucks hold ?
(a) 80 metric tonnes
(b) 90 metric tonnes
(c) 60 metric tonnes
(d) 40 metric tonnes.

Class 8 Maths Chapter 13 MCQ Question 6.
120 copies of a book cost Rs 600. What will 400 copies cost ?
(a) Rs 1000
(b) Rs 2000
(c) Rs 3000
(d) Rs 2400.

Direct And Inverse Proportion MCQ Question 7.
The rent of 7 hectares is Rs 875. What is the rent of 16 hectares ?
(a) Rs 2000
(b) Rs 1500
(c) Rs 1600
(d) Rs 1200.

Direct And Inverse Proportion MCQ Class 8 Question 8.
A boy runs 1 km in 10 minutes. How long will he take to ran 600 m ?
(a) 2 minutes
(b) 3 minutes
(c) 4 minutes
(d) 6 minutes.

Class 8 Maths Direct And Inverse Proportion MCQ Question 9.
A shot travels 90 m in 1 second. How long will it take to go 225 m ?
(a) 2 seconds
(b) 2.5 seconds
(c) 4 seconds
(d) 3.5 seconds.

Ch 13 Maths Class 8 MCQ Question 10.
3 knives cost Rs 63. What will 17 knives cost ?
(a) Rs 357
(b) Rs 375
(c) Rs 537
(d) Rs 573.

MCQ Questions For Class 8 Maths Chapter 13 Question 11.
15 men can mow 40 hectares of land in 1 day. How much will 6 men mow in 1 day ?
(a) 16 hectares
(b) 12 hectares
(c) 20 hectares
(d) 24 hectares.

Direct Inverse Proportion Class 8 MCQ Question 12.
A man walks 20 km in 5 hours. How long would he take in walking 32 km ?
(a) 3 hours
(b) 4 hours
(c) 6 hours
(d) 8 hours.

MCQ On Direct And Inverse Variation Class 8 Question 13.
What is the cost of 50 sticks at Rs 24 per score ?
(a) Rs 30
(b) Rs 40
(c) Rs 50
(d) Rs 60.

Class 8 Maths Ch 13 MCQ Question 14.
A train travels 60 km in 1 hour. How long will it take to go 150 km ?
(a) 2 hours
(b) 3 hours
(c) 2.5 hours
(d) 4 hours.

Question 15.
If 3 quintals of coal cost Rs 6000, what is the cost of 120 kg ?
(a) Rs 1200
(b) Rs 2400
(c) Rs 3600
(d) Rs 4800.

Question 16.
If 20 cows eat as much as 15 oxen, how many cows will eat at much as 36 oxen ?
(a) 40
(b) 44
(c) 45
(d) 48

Question 17.
The fare for a journey of 40 km is Rs 25. How much can be travelled for Rs40 ?
(a) 32 km
(b) 64 km
(c) 50 km
(d) 60 km.

Question 18.
Apala types 200 words in half an hour. How many words will she type in 12 minutes ?
(a) 80
(b) 50
(c) 100
(d) 60.

Question 19.
A labourer is paid Rs 400 for 2 days work. If he works for 5 days, how much will he get ?
(a) Rs 1000
(b) Rs 800
(c) Rs 750
(d) Rs 900.

Question 20.
A machine in a soft drink factory fills 600 bottles in 5 hours. How many bottles will it fill in 2 hours ?
(a) 120
(b) 180
(c) 150
(d) 240.

Question 21.
If 8 men can do a piece of work in 20 days, in how many days could 20 men do the same work ?
(a) 6 days
(b) 8 days
(c) 4 days
(d) 10 days.

Question 22.
If an amount of food last for 40 days for 120 men, how long will it last for 80 men at the same rate ?
(a) 50 days
(b) 60 days
(c) 80 days
(d) 100 days.

Question 23.
If 18 women can reap a field in 7 days, in what time can 6 women reap the same field ?
(a) 15 days
(b) 21 days
(c) 30 days
(d) 36 days.

Question 24.
10 men can dig a trench in 15 days. How long will 3 men take ?
(a) 50 days
(b) 60 days
(c) 100 days
(d) 75 days.

Question 25.
3 lambs finish eating turnips in 8 days. In how many days will 2 lambs finish them ?
(a) 6
(b) 8
(c) 10
(d) 12.

Question 26.
6 pipes are required to fill a tank in 1 hour. How long will it take if only 5 pipes of the same type are used ?
(a) 75 minutes
(b) 72 minutes
(c) 80 minutes
(d) 90 minutes.

Question 27.
40 cows can graze a field in 16 days. How many cows will graze the same field in 10 days ?
(a) 60
(b) 64
(c) 80
(d) 75.

Question 28.
If x = ky and when y = 4, x = 8 then k =
(a) 1
(b) 2
(c) 3
(d) 4.

Question 29.
The constant of variation, if x ∝ y, from the following table is

(a ) 1
(b) 2
(c) 3
(d) 4.

Question 30.
x and y vary inversely with each other. If x – 15 when y = 6, then the value of x when y = 15 is
(a) 2
(b) 4
(c) 5
(d) 6.

Question 31.
If x = 20 and y = 40, then x and y are:
(a) Directly proportional
(b) Inversely proportional
(c) Neither directly nor inversely proportional
(d) Cannot be determined

Question 32.
If x = 15 and y = 1/30, then x and y are:
(a) Directly proportional
(b) Inversely proportional
(c) Neither directly nor inversely proportional
(d) Cannot be determined

Question 33.
If x and y are directly proportional, then which of the following is correct?
(a) x + y = constant
(b) x – y = constant
(c) xy = constant
(d) x/y = constant

Question 34.
If x and y are inversely proportional, then:
(a) x + y = constant
(b) x – y = constant
(c) xy = constant
(d) x/y = constant

Question 35.
If x ∝ y and x₁= 5, y₁ = 210 and x₂ = 2, then find y₂ ?
(a) 200
(b) 84
(c) 99
(d) 70

Question 36.
If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 2500 grams?
(a) 750
(b) 800
(c) 850
(d) 950

Question 37.
The scale of a map is given as 1 : 300. Two cities are 4 km apart on the map. The actual distance between them is:
(a) 1000 km
(b) 1100 km
(c) 1200 km
(d) 1300 km

Question 38.
If x and y are inversely proportional, then which one is true?
(a) x₁/y₁ = x₂/y₂
(b) x₁/x₂ = y₁/y₂
(c) x₁/x₂ = y₂/y₁
(d) x₁.x₂ = y₁.y₂

Question 39.
6 pipes are required to fill a tank in 1 hour 20 minutes. If we use 5 such types of pipes, how much time it will take to fill the tank?
(a) 120 minutes
(b) 96 minutes
(c) 80 minutes
(d) 85 minutes

Question 40.
If 12 workers can build a wall in 50 hours, how many workers will be required to do the same work in 40 hours?
(a) 10
(b) 13
(c) 14
(d) 15

We hope the given NCERT MCQ Questions for Class 8 Maths Chapter 13 Direct and Inverse Proportions with Answers Pdf free download will help you. If you have any queries regarding Direct and Inverse Proportions CBSE Class 8 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below Online Education NCERT MCQ Questions for Class 11 Business Studies Chapter 8 Sources of Business Finance with Answers Pdf free download. MCQ Questions for Class 11 Business Studies with Answers were prepared based on the latest exam pattern. We have provided Sources of Business Finance Class 11 Business Studies MCQs Questions with Answers to help students understand the concept very well.

Formation of a Company Class 11 MCQs Questions with Answers

Sources Of Business Finance Class 11 MCQ Question 1.
Internal sources of capital are those that are
(a) generated through outsiders such as suppliers
(b) generated through loans from commercial banks
(c) generated through issue of shares
(d) generated within the business

Sources Of Business Finance MCQ Chapter 8 Class 11 Question 2.
Under the factoring arrangement, the factor
(a) Produces and distributes the goods or services
(b) Makes the payment on behalf of the client
(c) Collects the client’s debt or account receivables
(d) Transfer the goods from one place to another

MCQ On Sources Of Finance With Answers Chapter 8 Class 11 Question 3.
Under the lease agreement, the lessee gets the right to
(a) Share profits earned by the lessor
(b) Participate in the management of the organization
(c) Use the asset for a specified period
(d) Sell the assets

MCQ Questions For Class 11 Business Studies Chapter 8 Question 4.
ADRs are issued in
(a) Canada
(b) China
(c) India
(d) USA

MCQ On Sources Of Business Finance Chapter 8 Class 11 Question 5.
The term ‘redeemable’ is used for
(a) Preference shares
(b) Commercial paper
(c) Equity shares
(d) Public deposits

Sources Of Finance MCQ Chapter 8 Class 11 Question 6.
When one party grants the other party the right to use the asset in return for a periodic payment, it is known as __________
(a) Lease Financing
(b) Factoring
(c) Public Deposits
(d) Debts

MCQ Sources Of Business Finance Class 11 Chapter 8 Question 7.
Money obtained by issue of shares is known as ___________
(a) Debts
(b) Share Capital
(c) Loans
(d) Reserve Funds

MCQ Of Sources Of Business Finance Chapter 8 Class 11 Question 8.
_____________ was the first company in India to issue convertible zero interest debentures in January 1990
(a) Mahindra and Mahindra
(b) Adani Enterprise
(c) Tata Motors
(d) Reliance Limited

Source Of Business Finance Class 11 MCQ Chapter 8 Question 9.
Which of the following is a commercial bank?
(a) All of these
(b) Canara bank
(d) Punjab National Bank
(d) State Bank of India

Question 10.
The ordinary shares of a company are delivered to the depository bank, which in turn issues the depository receipts, known as _______
(a) Commercial banks
(b) ADR
(c) None of these
(d) GDR

Question 11.
Unit Trust of India was established by ___________
(a) ICICI
(b) State Bank Group
(c) Indian Government
(d) HDFC Bank

Question 12.
ICICI was established in _________________
(a) 1975
(b) 1955
(c) 1985
(d) 1965

Question 13.
Expand ICICI
(a) None of these
(b) International Credit and Investment Corporation of India
(c) Indian Credit and Investment Corporation of India
(d) Industrial Credit and Investment Corporation of India

Question 14.
The maturity period of a commercial paper usually ranges from
(a) 20 to 40 days
(b) 60 to 90 days
(c) 120 to 365 days
(d) 90 to 364 days

Question 15.
Debentures represent
(a) Fixed capital of the company
(b) Permanent capital of the company
(c) Fluctuating capital of the company
(d) Loan capital of the company

Question 16.
Public deposits are the deposits that are raised directly from
(a) The public
(b) The directors
(c) The auditors
(d) The owners

Question 17.
Funds required for purchasing current assets is an example of
(a) Fixed capital requirement
(b) Ploughing back of profits
(c) Working capital requirement
(d) Lease financing

Question 18.
Equity shareholders are called
(a) Owners of the company
(b) Partners of the company
(c) Executives of the company
(d) Guardian of the company

Question 19.
Investors who want steady income may not prefer ____________
(a) None of these
(b) Debentures
(c) Equity Shares
(d) Bonds

Question 20.
Dividend is paid only on ___________
(a) Loans
(b) Debentures
(c) Bonds
(d) Shares

Question 21.
Funds raised through loans or borrowings are ________
(a) Borrowed funds
(b) Owners Equity
(c) None of these
(d) Share Capital

Question 22.
GDRs can be converted into shares _____________
(a) At any time
(b) After 5 years
(c) After 10 years
(d) After one year

Question 23.
State Industrial Development Corporations were established by _______
(a) Ministry of Finance
(b) None of these
(c) Central Government
(d) Different States

Question 24.
Life insurance corporation was set up in ________
(a) 1965
(b) 1956
(c) 1975
(d) 1985

Question 25.
Industrial Finance Corporation of India (IFCI) was established in _______
(a) July, 1948
(b) July, 2001
(c) July, 1956
(d) July, 1991

One Mark Questions

1. Mention any one source of Business Finance.

2. Mention any one type of shares.

3. Give one merits of Equity shares.

4. State any one type of preference shares.

5. State any one type of Debentures.

6. Mention any one sources of owner’s fund.

7. Mention any one type of Financial Institutions.

8. Expand ADR.

9. Expand GDR.

10. Expand IDR.

11. Expand ICD.

12. Expand EXIM Bank.

We hope the given NCERT MCQ Questions for Class 11 Business Studies Chapter 8 Sources of Business Finance with Answers Pdf free download will help you. If you have any queries regarding Sources of Business Finance CBSE Class 11 Business Studies MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below Online Education NCERT MCQ Questions for Class 8 History Chapter 11 The Making of the National Movement 1870s-1947 with Answers Pdf free download. MCQ Questions for Class 8 Social Science with Answers were prepared based on the latest exam pattern. We have Provided The Making of the National Movement 1870s-1947 Class 8 History MCQs Questions with Answers to help students understand the concept very well. https://ncertmcq.com/mcq-questions-for-class-8-social-science-with-answers/

You can refer to NCERT Solutions for Class 8 History Chapter 11 The Making of the National Movement 1870s-1947 to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

The Making of the National Movement 1870s-1947 Class 8 MCQs Questions with Answers

Choose the correct answer:

The Making Of National Movement Class 8 MCQ Question 1.
Marathi newspaper ‘Kesari’ was edited by
(a) Lala Lajpat Rai
(b) Balgangadhar Tilak
(c) Chitta Ranjan Das
(d) Sarojini Naidu

Class 8 History Chapter 11 MCQ Question 2.
Lala Lajpat Rai was a nationalist from
(a) Bengal
(b) Bihar
(c) Punjab
(d) Haryana

Making Of National Movement Class 8 MCQ Question 3.
Which of the following movement is associated with Chitta Ranjan Das?
(a) Quit India Movement
(b) The Salt March
(c) Non-Cooperation Movement
(d) None of these

MCQ For Class 8 History Chapter 11 Question 4.
The founder of Khudai Khidmatgars was
(a) Mohammad Ali
(b) Shaukat Ali
(c) Badshah Khan
(d) None of these

The Making Of National Movement Class 8 MCQ With Answers Question 5.
Who established Natal Congress?
(a) Jawaharlal Nehru
(b) Mahatma Gandhi
(c) Balgangadhar Tilak
(d) Lala Lajpat Rai

MCQ For Class 8 History Chapter 9 The Making Of The National Movement Question 6.
Bengal was divided by the British in the year
(a) 1900
(b) 1910
(c) 1905
(d) 1920

MCQ On The Making Of National Movement Class 8 Question 7.
Hindustan Socialist Republic Association was related with the nationalist
(a) Lala Lajpat Rai
(b) Balgangadhar Tilak
(c) Bhagat Singh
(d) None of these

Making Of The National Movement Class 8 MCQ Question 8.
The Vernacular Press Act was enacted in
(a) 1840
(b) 1857
(c) 1878
(d) 1890

Class 8 History Ch 11 MCQ Question 9.
Ilbert Bill was introduced in
(a) 1860
(b) 1878
(c) 1883
(d) 1890

The Making Of The National Movement MCQ Question 10.
Naoroji was ……………….. settled in London.
(a) a businessman and publicist
(b) an artist
(c) an educationist
(d) none of these

MCQ Questions For Class 8 History Chapter 11 Question 11.
Second World War ended in
(a) 1910
(b) 1920
(c) 1945
(d) 1947

Class 8 History The Making Of National Movement MCQ Question 12.
The fight for Purna Swaraj was fought under the presidentship of
(a) Mahatma Gandhi
(b) Jawaharlal Nehru
(c) C. Rajagopalachari
(d) Sardar Vallabhbhai Patel

MCQ For Class 8 History Chapter 11 With Answers Question 13.
Who was the first Indian Governor-General of free India?
(a) Mahatma Gandhi
(b) Jawaharlal Nehru
(c) C. Rajagopalachari
(d) Sardar Vallabhbhai Patel

Match the following:

State whether true or false:

1. People were satisfied with British rule in the 1870s and 1880s.

2. The Arms Act was passed in 1875.

3. A.O. Hume was a Chinese educationist.

4. Muslim League demanded “Independent States” for Muslims in 1940.

5. The Congress in the first twenty years of its formation was “moderate”.

6. In 1930, Gandhiji led a march to break the salt law.

7. The leaders of Khilafat agitation were Mohammad Ali and Shaukat Ali.

Fill in the blanks:

1. The Arms Act ……………… Indians from having arms.

2. Gandhiji and his followers marched from ……………… to Dandi.

3. 16 August 1946 was announced as ……………… by the Muslim League.

4. ……………… is popularly known as Rajaji.

We hope the given NCERT MCQ Questions for Class 8 History Chapter 11 The Making of the National Movement 1870s-1947 with Answers Pdf free download will help you. If you have any queries regarding The Making of the National Movement 1870s-1947 CBSE Class 8 History MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 10 Maths Chapter 15 Probability with Answers Pdf free download. MCQ Questions for Class 10 Maths with Answers were prepared based on the latest exam pattern. We have provided Probability Class 10 Maths MCQs Questions with Answers to help students understand the concept very well. https://ncertmcq.com/mcq-questions-for-class-10-maths-with-answers/

Students can also refer to NCERT Solutions for Class 10 Maths Chapter 15 Probability for better exam preparation and score more marks.

Probability Class 10 MCQs Questions with Answers

Probability Class 10 MCQ Question 1.
If two different dice are rolled together, the probability of getting an even number on both dice is:
(a) \(\frac{1}{36}\)
(b) \(\frac{1}{2}\)
(c) \(\frac{1}{6}\)
(d) \(\frac{1}{4}\)

Probability MCQ Class 10 Question 2.
The probability that a number selected at random from the numbers 1, 2, 3, 4, …, 15 is a multiple of 4 is
(a) \(\frac{4}{15}\)
(b) \(\frac{2}{15}\)
(c) \(\frac{1}{5}\)
(d) \(\frac{1}{3}\)

Class 10 Probability MCQ Question 3.
An event is very unlikely to happen. Its probability is closest to:
(a) 0.0001
(b) 0.001
(c) 0.01
(d) 0.1

MCQ Of Probability Class 10 Question 4.
If the probability of an event is P, the probability of its complementary event will be:
(a) P – 1
(b) P
(c) 1 – p
(d) 1 – \(\frac{1}{p}\)

MCQ On Probability Class 10 Question 5.
In a family of 3 children, the probability of having atleast one boy is:
(a) \(\frac{7}{8}\)
(b) \(\frac{1}{8}\)
(c) \(\frac{5}{8}\)
(d) \(\frac{3}{4}\)

Class 10 Maths Chapter 15 MCQ Question 6.
If P(A) denotes the probability of an event then:
(a) P(A) < 0
(b) P(A) > 0
(c) 0 ≤ P(A) ≤ 1
(d) -1 ≤ P(A) ≤ 0

Ch 15 Maths Class 10 MCQ Question 7.
A card is selected from a deck of 52 cards. The probability of its being a red face card is:
(a) \(\frac{3}{26}\)
(b) \(\frac{3}{13}\)
(c) \(\frac{2}{13}\)
(d) \(\frac{1}{2}\)

Probability Class 10 MCQ With Answers Question 8.
The probability than a non-leap year selected at random will contain 53 Sundays is:
(a) \(\frac{1}{7}\)
(b) \(\frac{2}{7}\)
(c) \(\frac{3}{7}\)
(d) \(\frac{5}{7}\)

MCQ Probability Class 10 Question 9.
When a die is thrown, the probability of getting an odd number less them 3 is:
(a) \(\frac{1}{6}\)
(b) \(\frac{1}{3}\)
(c) \(\frac{1}{2}\)
(d) 0

Probability Class 10 MCQs Question 10.
A card is drawn from a deck of 52 cards. The event E is that card is not an ace of hearts. The number of outcomes favourable to E is:
(a) 4
(b) 13
(c) 48
(d) 51

Class 10 Maths Ch 15 MCQ Question 11.
The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is:
(a) 7
(b) 14
(c) 21
(d) 28

Chapter 15 Maths Class 10 MCQ Question 12.
A girl calculate that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?
(a) 40
(b) 240
(c) 480
(d) 750

MCQs On Probability Class 10 Question 13.
One ticket is drawn at random from a bag containing tickets numbered 1 to 40. The probability that the selected ticket has a number which is a multiple of 5 is:
(a) \(\frac{1}{5}\)
(b) \(\frac{3}{5}\)
(c) \(\frac{4}{5}\)
(d) \(\frac{1}{3}\)

Class 10 Maths Probability MCQs Question 14.
Someone is asked to take a number from 1 to 100. The probability that it is a prime is:
(a) \(\frac{1}{5}\)
(b) \(\frac{6}{25}\)
(c) \(\frac{1}{4}\)
(d) \(\frac{13}{50}\)

Class 10 Maths Probability MCQ Question 15.
A school has five houses A, B, C, D and E. A class has 23 students, 4 from house A, 8 from house B, 5 from house C, 2 from house D and rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B and C is:
(a) \(\frac{4}{23}\)
(b) \(\frac{6}{23}\)
(c) \(\frac{8}{23}\)
(d) \(\frac{17}{23}\)

We hope the given NCERT MCQ Questions for Class 10 Maths Chapter 15 Probability with Answers Pdf free download will help you. If you have any queries regarding Probability CBSE Class 10 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.