Category: MCQ Questions

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 20 Locomotion and Movement with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Locomotion and Movement Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Locomotion and Movement Class 11 MCQs Questions with Answers

Locomotion And Movement MCQ Question 1.
Metacarpals are present in
(a) wrist
(b) palm
(c) digits
(d) thigh

Answer

Answer: (b) palm
Explanation:
Metacarpals are palm bone, they are 5 in number.

---

Locomotion And Movement Class 11 MCQ Question 2.
The elements associated with muscle contraction are
(a) Mg and Ca
(b) Mg and Cl
(c) Na and Ca
(d) Ca and K

Answer

Answer: (c) Na and Ca

---

MCQ On Locomotion And Movement Question 3.
What happens in osteoporosis?
(a) Decrease in progesterone
(b) Increase in progesterone
(c) Decrease in estrogen
(d) Both 2 and 3

Answer

Answer: (c) Decrease in estrogen
Explanation:
In osteoporosis, there is decrease in levels of estrogen.

---

Locomotion And Movement Class 11 Ncert MCQ Question 4.
Match the columns.
A. Hinge Joint – 1. Carpals
B. Saddle Joint – 2. Knee
C. Pivot Joint – 3. Thumb
D. Gliding Joint – 4. Vertebra
(a) A-4, B-3, C-1, D-2
(b) A-3, B-1, C-2, D-4
(c) A-2, B-3, C-4, D-1
(d) A-3, B-1, C-4, D-2

Answer

Answer: (c) A-2, B-3, C-4, D-1
Explanation:
Column I shows types of synovial joints. Column II shows the location where these are present.

---

MCQ On Locomotion And Movement Class 11 Question 5.
Coris cycle operates in
(a) Cartilage
(b) Muscle
(c) Liver
(d) Liver and muscle

Answer

Answer: (d) Liver and muscle

---

Locomotion And Movement Class 11 MCQ Pdf Question 6.
One of the following is true of muscle contraction.
(a) H-zone expands
(b) I-band expands
(c) A-Band remains constant
(d) The sarcomeres expands

Answer

Answer: (c) A-Band remains constant

---

Locomotion And Movement Class 11 Ncert MCQ Pdf Question 7.
Which cavity is formed by the fusion of coxal bones?
(a) Glenoid cavity
(b) Acetabulum
(c) Acromion
(d) Scapula

Answer

Answer: (b) Acetabulum
Explanation:
There are three coxal bones namely ilium, ischium and pubis.
At the point of fusion of these, a cavity is formed called acetabulum.

---

MCQs On Locomotion And Movement Question 8.
Which is a part of pectoral girdle?
(a) Acetabulum
(b) Ilium
(c) Sternum
(d) Glenoid cavity

Answer

Answer: (d) Glenoid cavity

---

MCQ Of Locomotion And Movement Question 9.
A skeletal muscle which decreases the angle between two bones and bends a joint is
(a) Flexor
(b) Abductor
(c) Extensor
(d) Adductor

Answer

Answer: (a) Flexor

---

Locomotion And Movement MCQs Question 10.
Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?
(a) Iris – Involuntary smooth muscle
(b) Heart wall – Involuntary unstriated muscle
(c) Biceps of upper arm – Smooth muscle fibres
(d) Abdominal wall – Smooth muscle

Answer

Answer: (a) Iris – Involuntary smooth muscle

---

Locomotion And Movement MCQ Questions Question 11.
Largest bone in human body is
(a) Ulna
(b) Femur
(c) Humerus
(d) Tibia

Answer

Answer: (b) Femur

---

MCQ On Locomotion And Movement Pdf Question 12.
Which one of the following pairs is wrong about cardiac muscles?
(a) Location – only in the heart
(b) Function – Pumping of blood
(c) Gap junctions – No
(d) Striated – Yes

Answer

Answer: (c) Gap junctions – No

---

MCQ Questions On Locomotion And Movement Class 11 Question 13.
What is the ion necessary for muscle contraction?
(a) Cl
(b) Ca
(c) Na
(d) K

Answer

Answer: (b) Ca

---

MCQ Locomotion And Movement Question 14.
Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?
(a) Iris – Involuntary smooth muscle
(b) Heart wall – Involuntary unstriated muscle
(c) Biceps of upper arm – Smooth muscle fibres
(d) Abdominal wall – Smooth muscle

Answer

Answer: (a) Iris – Involuntary smooth muscle

---

Class 11 Biology Chapter 20 MCQ Question 15.
Bones formed by ossification of a tendon is called
(a) Dermal bone
(b) Sesamoid bone
(c) Membrane bone
(d) Cartilage

Answer

Answer: (b) Sesamoid bone

---

Question 16.
Which joint occurs between humerus and radioulna?
(a) Ball and socket joint
(b) Sliding
(c) Pivot
(d) Hinge joint

Answer

Answer: (d) Hinge joint

---

Question 17.
Hyoid is a
(a) cavity
(b) cartilage
(c) bone
(d) fluid

Answer

Answer: (c) bone
Explanation:
Hyoid is a single U-shaped bone present at the base of buccal cavity.

---

Question 18.
______ connect the ends of bones together.
(a) Ligaments
(b) Tendons
(c) Muscles
(d) cartilages

Answer

Answer: (a) Ligaments

---

Question 19.
_______ is used to capture prey in Hydra.
(a) Cilia
(b) Flagella
(c) Tentacles
(d) Forelimbs

Answer

Answer: (c) Tentacles
Explanation:
Hydra uses its tentacles to capture prey and for locomotion.

---

Question 20.
Ilium, ischium, and pubis join at the ______ to form coxal bone.
(a) Acetabulum
(b) Ilium
(c) Sternum
(d) Glenoid cavity

Answer

Answer: (a) Acetabulum

---

We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 20 Locomotion and Movement with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Locomotion and Movement 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 11 Geography Chapter 2 The Origin and Evolution of the Earth with Answers Pdf free download. MCQ Questions for Class 11 Geography with Answers were prepared based on the latest exam pattern. We have provided The Origin and Evolution of the Earth Class 11 Geography MCQs Questions with Answers to help students understand the concept very well.

The Origin and Evolution of the Earth Class 11 MCQs Questions with Answers

Question 1.
The oceans were formed within __________ from the formation of the earth.
(a) 500 million years ago
(b) 300 million years ago
(c) 400 million years ago
(d) 200 million years ago

Answer

Answer:(a) 500 million years ago

---

Question 2.
Which one of the following is not related to the formation or modification of the present atmosphere?
(a) Solar winds
(b) Differentiation
(c) Degassing
(d) Photosynthesis

Answer

Answer:(b) Differentiation

---

Question 3.
Why are the terrestrial planets rocky?
(a) These planets are smaller
(b) They could not hold the escaping gases
(c) Both a and b
(d) None of these

Answer

Answer:(c) Both a and b

---

Question 4.
The terrestrial planets were formed in the close vicinity of the
(a) Parent star
(b) Asteroids
(c) Escaping gases
(d) Outer planets

Answer

Answer:(a) Parent star

---

Question 5.
Which one of the following has the longest duration?
(a) Eons
(b) Period
(c) Era
(d) Epoch

Answer

Answer:(a) Eons

---

Question 6.
Firstly life on the earth was originated in
(a) Water
(b) Air
(c) Plain land
(d) Mountains

Answer

Answer:(a) Water

---

Question 7.
The wrong statement in relation to terrestrial planets is
(a) they are formed at quite a distant location.
(b) they have low gravitational pull.
(c) they could not hold the escaping gases.
(d) they are made up of rocks and metal, and have relatively high densities.

Answer

Answer:(a) they are formed at quite a distant location.

---

Question 8.
Water vapours and gases in the atmosphere were contributed by
(a) magnetism
(b) seismic activities
(c) volcanism
(d) tectonic activity

Answer

Answer:(c) volcanism

---

Question 9.
Which one of the following experts gave the nebular hypothesis?
(a) Immunal kant
(b) Lalpace
(c) Chamberlain
(d) Moulton

Answer

Answer:(b) Lalpace

---

Question 10.
What is the diameter of Galaxies?
(a) Between 80 thousands to 1, 50,000 light years
(b) Between 70 thousands to 1, 30,000 light years
(c) Between 50 thousands to 1, 10,000 light years
(d) Between 30 thousands to 1, 20,000 light years

Answer

Answer:(a) Between 80 thousands to 1, 50,000 light years

---

Question 11.
Fossils are
(a) remains of plants and animals in the rocks
(b) the old rocks
(c) the old books related to the origin of the earth
(d) the dust particles

Answer

Answer:(a) remains of plants and animals in the rocks

---

Question 12.
The inner planets mean
(a) Planets between the sun and the earth
(b) Planets between the sun and the belt of asteroids
(c) Planets in gaseous state
(d) Planets without satellite(s)

Answer

Answer:(b) Planets between the sun and the belt of asteroids

---

Question 13.
What is the distance between the Earth and the Sun?
(a) 149.6 Millions kms
(b) 15.98 Millions kms
(c) 169.34 Millions kms
(d) 179.67 Millions kms

Answer

Answer:(a) 149.6 Millions kms

---

Question 14.
Expansion of universe means
(a) increase in the number of stars.
(b) increase in space between the galaxies.
(c) discovery of new celestial bodies.
(d) increase in the speed of rotation of planets.

Answer

Answer:(b) increase in space between the galaxies.

---

Question 15.
Which one of the following experts gave the Collision Hypothesis?
(a) Immunal kant
(b) Lalpace
(c) Chamberlain
(d) Sir James and Harold Jeffrey

Answer

Answer:(d) Sir James and Harold Jeffrey

---

Question 16.
Who suggested that the earth and the moon formed a single rapidly rotating body?
(a) Sir George
(b) Sir Chamberlain
(c) Sir Moulton
(d) None of these

Answer

Answer:(a) Sir George

---

Question 17.
Why are the terrestrial planets rocky?
(a) These planets are smaller
(b) They could not hold the escaping gases
(c) Both a and b
(d) None of these

Answer

Answer:(c) Both a and b

---

Question 18.
Big-Bang theory was postulated by
(a) Georges Lemaitre
(b) Edwin Hubble
(c) Schmidt
(d) Wegener

Answer

Answer:(a) Georges Lemaitre

---

We hope the given NCERT MCQ Questions for Class 11 Geography Chapter 2 The Origin and Evolution of the Earth with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Geography The Origin and Evolution of the Earth 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 11 Biology Chapter 5 Morphology of Flowering Plants with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Morphology of Flowering Plants Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Morphology of Flowering Plants Class 11 MCQs Questions with Answers

Morphology Of Flowering Plants Class 11 MCQ Question 1.
In tamarind, the pinnate leaf is
(a) bipinnate
(b) tripinnate
(c) paripinnate
(d) imparipinnate

Answer

Answer: (a) bipinnate

---

Morphology Of Flowering Plants MCQ Question 2.
Artabotrys is a hook climber in which the hooks are modified
(a) inflorescence axis
(b) petiole
(c) roots
(d) stipules

Answer

Answer: (a) inflorescence axis

---

Class 11 Biology Chapter 5 MCQ Question 3.
Exceptional roots of Cuscuta are
(a) haustorial
(b) coralloid
(c) mucorhizal
(d) all of the above

Answer

Answer: (a) haustorial

---

MCQs Of Biology Class 11 Chapter 5 Question 4.
The petiole is swollen and spongy in
(a) Nepenthes
(b) Trapa
(c) Clematis
(d) all of the above

Answer

Answer: (b) Trapa

---

MCQ Questions For Class 11 Biology Chapter 5 Question 5.
Which one of the following plants dose not have root – pockets
(a) Pistia
(b) Lemna
(c) Ficus
(d) Eichhornia

Answer

Answer: (c) Ficus

---

Chapter 5 Biology Class 11 MCQs Question 6.
The largest petal overlaps the lateral ones in _________ aestivation.
(a) Papilionaceous
(b) Valvate
(c) Twisted
(d) Imbricate

Answer

Answer: (a) Papilionaceous
Explanation:
In pea and bean flowers, there are five petals, the largest overlaps the two lateral petals which in turn overlaps the two smallest anterior petals. This is called Vexillary or papilionaceous aestivation.

---

MCQ On Morphology Of Flowering Plants Class 11 Question 7.
In Lathyrus, the leaves are modified into
(a) thorns
(b) cladodes
(c) tendrils
(d) spines

Answer

Answer: (c) tendrils

---

Morphology Of Flowering Plants MCQ Class 11 Question 8.

Label the parts of a monocot seed.
(a) A.Endosperm, B. Scutellum, C. Radicle, D. Coleoptile, E. Plumule
(b) A.Endosperm, B. Coleoptile, C. Scutellum, D. Radicle, E. Plumule
(c) A.Endosperm, B. Scutellum, C. Coleoptile, D. Radicle, E. Plumule
(d) A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle

Answer

Answer: (d) A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle
Explanation:

---

Class 11 Bio Chapter 5 MCQ Question 9.
Potato tuber is an underground stem because
(a) it lacks chlorophyll
(b) it is swollen
(c) it possesses axillary buds
(d) it stores starch as reserve food material

Answer

Answer: (c) it possesses axillary buds

---

Class 11 Morphology Of Flowering Plants MCQ Question 10.
Floating roots are characteristic of
(a) Tinospora
(b) Jussiaea
(c) Viscum
(d) Vanda

Answer

Answer: (b) Jussiaea

---

Class 11 Biology Chapter 5 MCQs Question 11.
Thors and spines are
(a) homologous organs
(b) analogous organs
(c) thron is homologous while spine is analogous
(d) spine is homologous while is analogous

Answer

Answer: (d) A

---

MCQ On Morphology Of Flowering Plants Question 12.
Which of the following picture shows fibrous root system?

Answer

Answer: (d)

---

MCQ Of Chapter 5 Biology Class 11 Question 13.
In which of the following plants stems do not store the food material
(a) potato
(b) ginger
(c) onion
(d) colocasia

Answer

Answer: (c) onion

---

MCQ Of Morphology Of Flowering Plants Question 14.
In banana, the stem is
(a) underground only
(b) both underground and aerial
(c) absent
(d) aerial only

Answer

Answer: (a) underground only

---

MCQs Of Chapter 5 Biology Class 11 Question 15.
Srem modified to perform the function of a leaf and having many internodes is called as
(a) phylloclade
(b) cladode
(c) offset
(d) phyllode

Answer

Answer: (a) phylloclade

---

Question 16.
Certain plants called as runners can be easily propagated. This is due to the fact
(a) they are numerous in numbers
(b) they store the ready food
(c) they lie horizontally on the soil
(d) they can produce adventitious roots quite readily at the nodes

Answer

Answer: (d) they can produce adventitious roots quite readily at the nodes

---

Question 17.
The coloured part of a Bougainuillea flower is the
(a) corolla
(b) calyx
(c) bracts
(d) androecium

Answer

Answer: (c) bracts

---

Question 18.
The axillary buds arise
(a) endogenously from the pericycle
(b) exogenously from the tissues of the shoot apex
(c) endogenously from the cambium tissues
(d) exogenously from the innermost layers of cortex

Answer

Answer: (b) exogenously from the tissues of the shoot apex

---

Question 19.
The arrangement of sepals or petals in floral bud is called
(a) Placentation
(b) Aestivation
(c) Bracteate
(d) Phyllotaxy

Answer

Answer: (b) Aestivation
Explanation:
The mode of arrangement of sepals or petals in floral bud with respect to the other members of the same whorl is known as aestivation.

---

Question 20.
The term phyllotaxy is used to describe the
(a) type of ovary in a plant
(b) mode of arrangement of leaves
(c) type of roots
(d) arrangement of sepals and petals

Answer

Answer: (b) mode of arrangement of leaves

---

We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Morphology of Flowering Plants 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 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Anatomy of Flowering Plants Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Anatomy of Flowering Plants Class 11 MCQs Questions with Answers

Anatomy Of Flowering Plants Class 11 MCQ Question 1.
Quiescent centre is present in the
(a) apical meristem
(b) shoot meristem
(c) lateral meristem
(d) root meristem

Answer

Answer: (d) root meristem

---

Class 11 Biology Chapter 6 MCQ Question 2.
Closed vascular bundles lacks
(a) pith
(b) xylem
(c) cambium
(d) xylem vessels

Answer

Answer: (c) cambium
Explanation:

Picture of closed conjoint vascular bundles.

---

Anatomy Of Flowering Plants MCQ Question 3.
Which of the following is not a feature of spring wood?
(a) Color of the wood is light.
(b) Density is less.
(c) Cambium is active.
(d) Lesser number of xylary elements.

Answer

Answer: (d) Lesser number of xylary elements.
Explanation:
Spring season produces a wood which has large number of xylary elements having vessels with wider cavities.

---

MCQs Of Biology Class 11 Chapter 6 Question 4.
In a monocot leaf
(a) bulliform cells are absent from the eqidermis
(b) veins from a network
(c) mesophyll is well differentiated into palisade and spongy parenchyma
(d) mesophyll is not differentiated into palisade and spongy parenchyma

Answer

Answer: (d) mesophyll is not differentiated into palisade and spongy parenchyma

---

MCQ Questions For Class 11 Biology Chapter 6 Question 5.
A.T.S. of a young dicot root can be distinguished from that of a young dicot stem by the presence of
(a) radial arrangement of xylem and phloem
(b) collateral arrangement of xylem and phloem
(c) interfascicular cambium
(d) intrafascicular cambium

Answer

Answer: (a) radial arrangement of xylem and phloem

---

Chapter 6 Biology Class 11 MCQs Question 6.
Fusifrom initial cells of cambium from
(a) vascular rays
(b) tracheary elements
(c) ray parenchyma
(d) phloem parenchyma

Answer

Answer: (b) tracheary elements

---

MCQ On Anatomy Of Flowering Plants Class 11 Question 7.
Callose deposition is found in
(a) tracheids
(b) companion cells
(c) sieve areas
(d) phloem parenchyma

Answer

Answer: (c) sieve areas

---

MCQ On Anatomy Of Flowering Plants Question 8.
Stem develops from
(a) radicle
(b) cotyledon
(c) mesocarp
(d) plumule

Answer

Answer: (d) plumule
Explanation:
Stem develops from plumule.

---

MCQ Of Anatomy Of Flowering Plants Question 9.
Stem grows in girth due to
(a) outer cortical
(b) epidermis
(c) vascular cambium
(d) phellogen

Answer

Answer: (c) vascular cambium
Explanation:
Stem increase in girth due to the activity of vascular cambium.
In this process, the outer cortical and epidermis layers gets broken.
This layer is replaced with new protective cell layer.

---

Biology Class 11 Chapter 6 MCQs Question 10.
Which of the following is true about heartwood?
(a) They are dead but gives mechanical support to stem.
(b) They are light in color.
(c) They conduct water and minerals.
(d) 1 and 3

Answer

Answer: (a) They are dead but gives mechanical support to stem.
Explanation:
Heartwood is dead and have non-conducting elements.

---

MCQs On Anatomy Of Flowering Plants Question 11.
Which picture shows conjoint closed vascular bundles?

(d) None of these pictures shows conjoint closed vascular bundles.

Answer

Answer: (b)
Explanation:

---

Ch 6 Bio Class 11 MCQ Question 12.
Pith is very well developed in
(a) monocot root and monocot srem
(b) monocot root and dicot root
(c) dicot root and monocot stem
(d) monocot root and dicot stem

Answer

Answer: (d) monocot root and dicot stem

---

Anatomy Of Flowering Plants MCQs Question 13.
Which of the following helps in the curling of the leaf surface?
(a) Bulliform cells
(b) Xylem tissue
(c) Palisade parenchyma
(d) Bundle sheath cells

Answer

Answer: (a) Bulliform cells
Explanation:
In grasses, adaxial epidermal cells along the veins modify themselves into large, empty, colorless cells. These are called bulliform cells.
When there is water stress leaves curl themselves inward to minimise water loss.
When the cells have absorbed water and are turgid, the leaf surface is exposed.

---

Anatomy Of Flowering Plants MCQ With Answers Question 14.
Walls of sclerenchyma are
(a) rigid
(b) lignified
(c) pectinised
(d) suberised

Answer

Answer: (b) lignified

---

Anatomy Of Flowering Plants Class 11 Ncert MCQ Question 15.
Fusifrom initial cells of cambium from
(a) vascular rays
(b) tracheary elements
(c) ray parenchyma
(d) phloem parenchyma

Answer

Answer: (b) tracheary elements

---

Question 16.
Closed vascular bundles lacks
(a) pith
(b) xylem
(c) cambium
(d) xylem vessels

Answer

Answer: (c) cambium

---

Question 17.
After the secondary growth, the oldest layer of secondary phloem in a dicot stem is located
(a) just outside the vascular cambium
(b) just inside the vascular cambium
(c) just inside the vascular phloem
(d) just outside the secondary xylem

Answer

Answer: (c) just inside the vascular phloem

---

Question 18.
The innermost layer of cortex which shows casparian thickenings in its cells is called as
(a) epidermis
(b) endodermis
(c) pericycle
(d) exodermis

Answer

Answer: (b) endodermis

---

Question 19.
Vessels differ from tracheids
(a) in being living
(b) in being derived from a single cell
(c) in that they consist of vertical row of cells with cross walls dissolved
(d) in coducting water and minerals

Answer

Answer: (c) in that they consist of vertical row of cells with cross walls dissolved

---

Question 20.
Endodermis cells are rich in
(a) cellulose
(b) starch grains
(c) fibers
(d) resins and wax

Answer

Answer: (b) starch grains
Explanation:
Endodermis cells are rich in starch grains.

---

We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Anatomy of Flowering Plants 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 11 Geography Chapter 7 Landforms and their Evolution with Answers Pdf free download. MCQ Questions for Class 11 Geography with Answers were prepared based on the latest exam pattern. We have provided Landforms and their Evolution Class 11 Geography MCQs Questions with Answers to help students understand the concept very well.

Landforms and their Evolution Class 11 MCQs Questions with Answers

Question 1.
The erosional landform consists of
(a) valleys
(b) floodplains
(c) deltas
(d) alluvial fans

Answer

Answer:(a) valleys

---

Question 2.
A deep valley characterized by steep step-like side slopes is known as?
(a) U-shaped valley
(b) Gorge
(c) Blind valley
(d) Canyon

Answer

Answer:(d) Canyon

---

Question 3.
The depositional landform consists of
(a) levees
(b) gorge
(c) river terraces
(d) valley

Answer

Answer:(a) levees

---

Question 4.
What is a deep, long, and wide trough or basin with very steep concave high walls at its head as well as insides is known as?
(a) Cirque
(b) Glacial valley
(c) Lateral Moraine
(d) Esker

Answer

Answer:(a) Cirque

---

Question 5.
Natural levees and point bars are a depositional landform of
(a) glaciers
(b) waves
(c) winds
(d) rivers

Answer

Answer:(d) rivers

---

Question 6.
Which of the following is a type of channel pattern?
(a) Floodplains
(b) Deltas
(c) Meander
(d) Alluvial Fans

Answer

Answer:(c) Meander

---

Question 7.
In which one of the following regions the chemical weathering process is more dominant than the mechanical process?
(a) Humid region
(b) Limestone region
(c) Arid region
(d) Glacier region

Answer

Answer:(b) Limestone region

---

Question 8.
In which of the following regions the chemical weathering process is more dominant than the mechanical process?
(a) desert region
(b) arid region
(c) limestone region
(d) glacier region

Answer

Answer:(c) limestone region

---

Question 9.
Erosional landforms are the
(a) levees
(b) deltas
(c) braided channels
(d) river terraces

Answer

Answer:(d) river terraces

---

Question 10.
In the mature stage, what are the loop-like channel patterns that develop in rivers?
(a) Meanders
(b) Canyon
(c) Delta
(d) Cirque

Answer

Answer:(a) Meanders

---

Question 11.
Erosion causes
(a) Changes
(b) No change
(c) Upliftment
(d) Construction of land

Answer

Answer:(a) Changes

---

Question 12.
Deflation and abrasion activities are associated with
(a) waves
(b) rivers
(c) winds
(d) glaciers

Answer

Answer:(c) winds

---

Question 13.
What are the most important landforms in desert areas?
(a) Chardong
(b) Interbedded rocks
(c) Sand dunes
(d) Valleys

Answer

Answer:(c) Sand dunes

---

Question 14.
In the middle stages, erosion of valley sides is
(a) vertical
(b) lateral
(c) gradual
(d) negligible

Answer

Answer:(b) lateral

---

Question 15.
Which of the following is created by soil erosion by the rivers?
(a) V-shaped valley
(b) Waterfall
(c) Delta
(d) Sand dunes

Answer

Answer:(a) V-shaped valley

---

Question 16.
The total number of wings a seif has is
(a) one
(b) three
(c) five
(d) six

Answer

Answer:(a) one

---

We hope the given NCERT MCQ Questions for Class 11 Geography Chapter 7 Landforms and their Evolution with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Geography Landforms and their Evolution 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 11 Geography Chapter 9 Solar Radiation, Heat Balance and Temperature with Answers Pdf free download. MCQ Questions for Class 11 Geography with Answers were prepared based on the latest exam pattern. We have provided Solar Radiation, Heat Balance and Temperature Class 11 Geography MCQs Questions with Answers to help students understand the concept very well.

Solar Radiation, Heat Balance and Temperature Class 11 MCQs Questions with Answers

Question 1.
The sun is vertically overhead at noon on 21st June at
(a) the equator
(b) 23.5 degree N
(c) 23.5 degree S
(d) 66.5 degree N

Answer

Answer: (b) 23.5 degree N

---

Question 2.
The days are longest at
(a) Thiruvananthapuram
(b) Hyderabad
(c) Chandigarh
(d) Nagpur

Answer

Answer: (a) Thiruvananthapuram

---

Question 3.
This process of vertical heating of the atmosphere is known as ________
(a) Psychrometer
(b) Convection
(c) Evaporation
(d) None of the above

Answer

Answer: (b) Convection

---

Question 4.
Differences in pressure on the earth surface causes:
(a) Winds
(b) Precipitation
(c) Hail
(d) Seasons

Answer

Answer: (a) Winds

---

Question 5.
______ are lines joining places having an equal temperature.
(a) Isotherms
(b) Evaporation
(c) Convection
(d) Pyrheliometer

Answer

Answer: (a) Isotherms

---

Question 6.
The heat energy absorbed by a known area in a fixed time is determined with the help of an instrument called
(a) Psychrometer
(b) Pyrheliometer
(c) Thermometric well
(d) Any instrument

Answer

Answer: (b) Pyrheliometer

---

Question 7.
What is Isotherm?
(a) The line joining the places of equal temperature
(b) The incoming short wave radiation
(c) The line joining the places of equal pressure
(d) None of the above

Answer

Answer: (a) The line joining the places of equal temperature

---

Question 8.
The earth radiates energy to the atmosphere in:
(a) Long wavelengths
(b) Radiation
(c) Insolation
(d) Short wavelengths

Answer

Answer: (a) Long wavelengths

---

Question 9.
Maximum insolation is received over the ____________
(a) Equator
(b) Tropical areas
(c) Sub-tropical areas
(d) Poles

Answer

Answer: (c) Sub-tropical areas

---

Question 10.
Insolation refers to ________
(a) Wind direction
(b) Solar radiation
(c) Precipitation
(d) None of the above

Answer

Answer: (b) Solar radiation

---

We hope the given NCERT MCQ Questions for Class 11 Geography Chapter 9 Solar Radiation, Heat Balance and Temperature with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Geography Solar Radiation, Heat Balance and Temperature 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 11 English Snapshots Chapter 1 The Summer of the Beautiful White Horse with Answers Pdf free download. MCQ Questions for Class 11 English with Answers were prepared based on the latest exam pattern. We have provided The Summer of the Beautiful White Horse Class 11 English MCQs Questions with Answers to help students understand the concept very well.

MCQ Questions for Class 11 English Snapshots Chapter 1 The Summer of the Beautiful White Horse with Answers

The Summer Of The Beautiful White Horse MCQ Question 1.
Who is the narrator of the story “The Summer of a Beautiful White Horse”?
(a) William Saroyan
(b) Aram
(c) John Byro
(d) Mourad

Answer

Answer: (b) Aram

---

The Summer Of The Beautiful White Horse MCQ Questions Question 2.
After the horse was stolen and returned, it became ______.
(a) rougher
(b) sick & ill
(c) stronger & better-tempered
(d) Both (a) and (c)

Answer

Answer: (c) stronger & better-tempered

---

The Summer Of The Beautiful White Horse MCQs Question 3.
When did the boys return the horse?
(a) After Aram learned to ride it
(b) After an year
(c) After six months
(d) After they ran into John Byro

Answer

Answer: (d) After they ran into John Byro

---

Summer Of The Beautiful White Horse MCQ Question 4.
John Byro said, “A suspicious man would believe his eyes instead of his heart.” What does it tell about him?
(a) He believed in the honesty of Garoghlanian family
(b) He was impractical
(c) He was foolish
(d) None of the above

Answer

Answer: (a) He believed in the honesty of Garoghlanian family

---

MCQ Of The Summer Of The Beautiful White Horse Question 5.
At what time did Aram and Mourad ride the horse?
(a) Late night
(b) Early morning
(c) Evening
(d) Afternoon hours

Answer

Answer: (b) Early morning

---

The Summer Of Beautiful White Horse MCQ Question 6.
Who was the true knower of the horse?
(a) John Byro
(b) Fetvajian
(c) Dikran Halabian
(d) Zorab

Answer

Answer: (a) John Byro

---

The Summer Of The Beautiful White Horse Class 11 MCQ Questions Question 7.
What sort of an understanding did Mourad mention with the horse?
(a) Mature
(b) Simple and honest
(c) Complicated
(d) Difficult

Answer

Answer: (b) Simple and honest

---

Summer Of Beautiful White Horse MCQ Question 8.
Mourad had been hiding the horse _________.
(a) in a stable
(b) in a barn of a vineyard
(c) at a secret place of his house
(d) None of the above

Answer

Answer: (b) in a barn of a vineyard

---

MCQ Questions For Class 11 English Chapter 1 Snapshot Question 9.
What was uncle Khosrove’s customary line?
(a) Ignore it; pay no attention.
(b) Forget it.
(c) It is harmless; ignore it.
(d) It is no harm; pay no attention to it.

Answer

Answer: (d) It is no harm; pay no attention to it.

---

The Summer Of The Beautiful Horse MCQ Question 10.
How would you describe uncle Khosrove?
(a) Hot tempered
(b) Irritable
(c) Impatient
(d) All of the above

Answer

Answer: (d) All of the above

---

Class 11 English Snapshot Chapter 1 MCQ Question 11.
No member of the Garoghlanian family could be _______.
(a) poor
(b) rich
(c) a thief
(d) crazy

Answer

Answer: (c) a thief

---

Class 11 English Ch 1 Snapshot MCQ Questions Question 12.
Where did Aram live?
(a) In the centre of the town
(b) In the country
(c) Olive Avenue
(d) At the edge of town on Walnut Avenue

Answer

Answer: (d) At the edge of town on Walnut Avenue

---

We hope the given NCERT MCQ Questions for Class 11 English Snapshots Chapter 1 The Summer of the Beautiful White Horse with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 English The Summer of the Beautiful White Horse 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 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Biological Classification Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Biological Classification Class 11 MCQs Questions with Answers

Biological Classification Class 11 MCQ Question 1.
The two kingdom Classification was given by
(a) c.linnaeus
(b) john ray
(c) huxley
(d) whittaker

Answer

Answer: (c) huxley

---

Biological Classification MCQ Question 2.
Choose the correct pair.
(a) Parasitic fungi – feeds on plants and animals
(b) Saprotrophic fungi – feeds on dead and decaying organic matter
(c) Symbiotic fungi – mycorrhiza
(d) All of the above are true

Answer

Answer: (d) All of the above are true
Explanation:
Saprotrophic fungi feeds on dead and decaying organic matter.
Parasitic fungi feeds on animals and plants.
Symbiotic fungi are of two types mycorrhiza and lichens.
Mycorrhiza – the fungus is in close association with roots of higher plants.
Lichens – fungi is in close relationship with algae.

---

Class 11 Biology Chapter 2 MCQ Question 3.
Which of the following is used in biochemical and genetic work?
(a) Claviceps
(b) Aspergillus
(c) Neurospora
(d) Mucor

Answer

Answer: (c) Neurospora
Explanation:
Neurospora is used in biochemical and genetic work, it belongs to class Ascomycetes.

---

MCQ Questions For Class 11 Biology Chapter 2 Question 4.
If a scientist has to names a similar species he should study the
(a) Holotype
(b) syntype
(c) mesotype
(d) isotype

Answer

Answer: (d) isotype

---

Biological Classification MCQ Class 11 Question 5.
Which of the following is not a viral disease?
(a) AIDS
(b) Herpes
(c) Tuberculosis
(d) Smallpox

Answer

Answer: (c) Tuberculosis
Explanation:
AIDS, herpes and smallpox are viral diseases.
Tuberclosis is a bacterial disease.

---

MCQ On Biological Classification Class 11 Question 6.
Choose the correct match.
(a) Photosynthetic autotrophs – Nutrient recycling
(b) Chemosynthetic autotrophs – Nitrogen fixation
(c) Heterotrophic bacteria – Production of antibiotics
(d) Mycoplasma – Production of curd

Answer

Answer: (c) Heterotrophic bacteria – Production of antibiotics
Explanation:
Photosynthetic autotrophs helps in fixing atmospheric nitrogen.
Chemosynthetic autotrophs helps in nutrient recycling.
Heterotrophic bacteria helps in making curd, production of antibiotics, etc.

---

MCQs Of Biology Class 11 Chapter 2 Question 7.
The scientist who created the group protista for both unicellular plants and animals is
(a) haecke
(b) pasteur
(c) lister
(d) koch

Answer

Answer: (a) haecke

---

MCQ Of Biological Classification Class 11 Question 8.
Binomial nomenclature was given by
(a) huxley
(b) ray
(c) darwin
(d) linnaeus

Answer

Answer: (d) linnaeus

---

Chapter 2 Biology Class 11 MCQs Question 9.
Which of the following is an indicator of air pollution?
(a) Mycorrhiza
(b) Agaricus
(c) Lichens
(d) Common mushrooms

Answer

Answer: (c) Lichens
Explanation:
Lichens are the indicators of air pollution.
Lichens are the association between fungi and algae. They do not grow in polluted areas.

---

Ch 2 Bio Class 11 MCQ Question 10.
The natural system of Classification is based on
(a) morphology
(b) evolutionary trend
(c) anatomy
(d) all of the above

Answer

Answer: (d) all of the above

---

Class 11 Bio Chapter 2 MCQ Question 11.
Potato spindle tuber disease is caused by
(a) Phycobionts
(b) Virus
(c) Bacteria
(d) Viroids

Answer

Answer: (d) Viroids
Explanation:
In 1971, Diener discovered a new infectious agents called Viroids that was smaller than viruses.
These viroids causes potato spindle tuber disease.

---

MCQ Of Chapter 2 Biology Class 11 Question 12.
Quinine is obtained from
(a) Puccinia
(b) Neurospora
(c) Gonyaulax
(d) Cinchona

Answer

Answer: (a) Puccinia
Explanation:
Quinine is obtained from Cinchona officinalis.

---

Class 11 Biological Classification MCQ Question 13.
According to five-kingdom classification, which of the following does not contain nuclear membrane?
(a) Protista
(b) Monera
(c) Fungi
(d) Animalia

Answer

Answer: (b) Monera
Explanation:
According to five kingdom classification, Monera does not contain nuclear membrane.

---

Biology Class 11 Chapter 2 MCQs Question 14.
Two organisms of the same class but different families will be kept under the same
(a) genera
(b) species
(c) order
(d) family

Answer

Answer: (c) order

---

Class 11 Bio Ch 2 MCQ Question 15.
Bacteria that live in hot springs are called
(a) Halophiles
(b) Thermoacidophiles
(c) Methanogens
(d) None of the above

Answer

Answer: (b) Thermoacidophiles
Explanation:
The bacteria that live in hot springs are called thermoacidophiles.
Bacteria that live in salty areas are called halophiles.
Bacteria that live in marshy areas are called methanogens.

---

Question 16.
Which amongst kingdom animalia has become recently extinct?
(a) snow leopard
(b) indian macaque
(c) cheetah
(d) tiger

Answer

Answer: (c) cheetah

---

Question 17.
Red tides in sea appear due to
(a) Euglena
(b) Chrysophytes
(c) Dinoflagellates
(d) Diatoms

Answer

Answer: (c) Dinoflagellates
Explanation:
Red tides in sea appear is due to red dinoflagellates.
Gonyaulax undergoes rapid multiplication and makes the sea apear red.

---

Question 18.
The asexual spores are not found, vegetative reproduction occurs by fragmentation and sexual organs are absent. Identify the class of fungi.
(a) Phycomycetes
(b) Ascomycetes
(c) Basidiomycetes
(d) Deuteromycetes

Answer

Answer: (c) Basidiomycetes
Explanation:
In basidiomycete asexual spores are not found and vegetative reproduction occurs by fragmentation.
Sex organs are absent in this class of fungi.

---

Question 19.
Match the columns:
1. Basidiomycetes – A. Agaricus
2. Ascomycetes – B. Albugo
3. Phycomycetes – C. Trichoderma
4. Deuteromycetes – D. Saccharomyces
(a) 1-D, 2-A, 3-B, 4-C
(b) 1-A, 2-D, 3-B, 4-C
(c) 1-A, 2-B, 3-D, 4-C
(d) 1-C, 2-D, 3-A, 4-B

Answer

Answer: (b) 1-A, 2-D, 3-B, 4-C

---

Question 20.
Trypanosoma causes
(a) Dysentry
(b) Mumps
(c) Sleeping sickness
(d) Cholera

Answer

Answer: (c) Sleeping sickness
Explanation:
Trypanosoma causes sleeping sickness.

---

We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Biological Classification 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 11 Biology Chapter 10 Cell Cycle and Cell Division with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Cell Cycle and Cell Division Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Cell Cycle and Cell Division Class 11 MCQs Questions with Answers

Cell Cycle And Cell Division MCQ Question 1.
Golgi complex and endoplasmic reticulum cannot be seen during
(a) late telophase
(b) late prophase
(c) early anaphase
(d) late metaphase

Answer

Answer: (b) late prophase
Explanation:
Cells, when viewed under microscope at the end of prophase, do not show golgi complex, endoplasmic reticulum, nucleolus and nuclear envelope.

---

Cell Cycle And Cell Division MCQ With Answers Question 2.
Cell plate grows from
(a) walls to the centre
(b) centre to the walls
(c) in patches
(d) simultaneously

Answer

Answer: (b) centre to the walls
Explanation:
Cell plate grows during cytokinesis from centre to the walls.

---

Cell Cycle And Cell Division Class 11 MCQ Question 3.
Choose the correct sequence. A. Chromatin condensation B. Protein synthesis C. Duplication of centrioles D. Centrioles moves towards opposite poles
(a) C, A, B, D
(b) C, B, A, D
(c) C, D, B, A
(d) A, C, D, B

Answer

Answer: (b) C, B, A, D
Explanation:
Duplication of centrioles occurs in S-phase.
Protein synthesis occurs in G₂ phase.
Chromatin condensation is followed by centrioles movement towards the poles. (Prophase)

---

MCQ On Cell Cycle And Cell Division Question 4.
If you are provided with root-tips of onion in your class and are asked to count the chromosomes which of the following stages can you most conveniently look into:
(a) Prophase
(b) Anaphase
(c) Telophase
(d) Metaphase

Answer

Answer: (d) Metaphase

---

Class 11 Biology Chapter 10 MCQ Question 5.
Karyokinesis is the term used for
(a) division of cytoplasm
(b) division of nucleoplasm
(c) division of nucleus
(d) separation of daughter chromosomes

Answer

Answer: (d) separation of daughter chromosomes
Explanation:
Karyokinesis means separation of daughter chromosomes.
Cytokinesis means division of cytoplasm.

---

Cell Cycle And Cell Division Class 11 MCQ Questions Question 6.
During which stage the chromosomes first become visible.
(a) Anaphase
(b) Metaphase
(c) Prophase
(d) Telophase

Answer

Answer: (c) Prophase

---

MCQ On Cell Cycle And Cell Division Class 11 Question 7.
In mitosis, nuclear envelope and nucleolus disappear during
(a) Metaphase
(b) Interphase
(c) Prophase
(d) Telophase

Answer

Answer: (c) Prophase

---

Cell Division Class 11 MCQ Question 8.
Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences:
(a) II, I, IV, III
(b) III, II, I, IV
(c) IV, III, II, I
(d) I, IV, III, II

Answer

Answer: (b) III, II, I, IV

---

MCQ Of Cell Cycle And Cell Division Question 9.
The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is
(a) splitting of the centromeres
(b) splitting of the chromatids
(c) replication of the genetic material
(d) condensation of the chromatin

Answer

Answer: (a) splitting of the centromeres

---

MCQ Questions On Cell Cycle And Cell Division Class 11 Question 10.
What type of plant is formed when colchicine is used in the process of development of Raphanobrassica?
(a) Autotetraploid
(b) Haploid
(c) Triploid
(d) Allotetraploid

Answer

Answer: (d) Allotetraploid

---

Class 11 Cell Cycle And Cell Division MCQ Question 11.
Meiosis occurs for the human female in ______.
(a) Pancreas
(b) Liver
(c) Ovary
(d) Kidney

Answer

Answer: (c) Ovary

---

Chapter 10 Biology Class 11 MCQs Question 12.
Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene
(a) C, B, A, D, E
(b) C, A, B, E, D
(c) C, B, A, E, D
(d) D, B, C, E, A

Answer

Answer: (c) C, B, A, E, D
Explanation:
These are the five phases of prophase I of Meiosis I based on the chromosomal behaviour.

---

MCQs Of Biology Class 11 Chapter 10 Question 13.
How many chromosomes are there in onion root tip cell?
(a) 06
(b) 16
(c) 26
(d) 36

Answer

Answer: (b) 16
Explanation:
There are 16 chromosomes in onion root tip cell.

---

Cell Cycle And Cell Division MCQ Class 11 Question 14.
Lampbrush chromosomes are observed in
(a) Mitotic prophase
(b) Mitotic metaphase
(c) Meiotic metaphase
(d) Meiotic prophase

Answer

Answer: (d) Meiotic prophase

---

MCQ On Cell Division Class 11 Question 15.
Which of the following cellular structures always disappears during mitosis and meiosis?
(a) Plasma membrane
(b) Nucleolus and nuclear envelope
(c) Plastids
(d) none of these

Answer

Answer: (b) Nucleolus and nuclear envelope

---

Question 16.
Centromere is a constituent of
(a) Ribosome
(b) ER
(c) Chromosome
(d) Mitochondrion

Answer

Answer: (c) Chromosome

---

Question 17.
In which phase of cell cycle, proteins are synthesised?
(a) G₀
(b) G₁
(c) G₂
(d) S

Answer

Answer: (c) G₂
Explanation:
In G₂ phase of cell cycle, proteins are synthesised for mitosis and cell growth continues.

---

Question 18.

Which phase of cell cycle is shown in the above picture?
(a) Early prophase
(b) Early metaphase
(c) Early telophase
(d) Early anaphase

Answer

Answer: (b) Early metaphase
Explanation:
Chromosomes are positioning towards the equator.
Nuclear envelope is disintegrated.

---

Question 19.
The stage in which daughter chromosomes move toward the poles of the spindle is
(a) Anaphase
(b) Metaphase
(c) Prophase
(d) Telophase

Answer

Answer: (a) Anaphase

---

Question 20.
Synaptonemal complex dissolves in _____ stage.
(a) Zygotene
(b) Pachytene
(c) Diakinesis
(d) Diplotene

Answer

Answer: (d) Diplotene
Explanation:
Synaptonemal complex dissolves in diplotene stage of Prophase I.

---

We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 10 Cell Cycle and Cell Division with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Cell Cycle and Cell Division 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 11 Biology Chapter 12 Mineral Nutrition with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Mineral Nutrition Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Mineral Nutrition Class 11 MCQs Questions with Answers

Mineral Nutrition Class 11 MCQ Question 1.
In plants, a common symptom caused by deficiency of P, K, Ca and Mg is the
(a) bending of leaf tip
(b) formation of anthocyanins
(c) poor development of vasculature
(d) appearance of dead necrotic tissue

Answer

Answer: (d) appearance of dead necrotic tissue

---

Mineral Nutrition MCQ With Answers Question 2.
Function of zinc is
(a) Closing of stomata
(b) Biosynthesis of 3-IAA
(c) Synthesis of chlorophyll
(d) Oxidation of carbohydrate

Answer

Answer: (c) Synthesis of chlorophyll

---

Chapter 12 Biology Class 11 MCQs Question 3.
Which of the following is a group of micronutrients?
(a) Ca, Zn, B
(b) Fe, Mn, Cu
(c) Cl, C, Ca
(d) Ni, Mo, H

Answer

Answer: (b) Fe, Mn, Cu
Explanation:
Iron, mangenese and copper are micronutrients.

---

MCQ On Mineral Nutrition Class 11 Question 4.
The process of conversion of NO₂^– to N₂ is called
(a) nitrification
(b) ammonification
(c) denitrification
(d) nitrogen fixation

Answer

Answer: (c) denitrification
Explanation:
The process of conversation of NO₂^– to N₂ is called denitrification.

---

MCQ Questions For Class 11 Biology Chapter Wise Question 5.
The formation of first stable product of nitrogen fixation is catalysed by enzyme
(a) dehydrogenase
(b) nitrogenase
(c) isomerase
(d) none of these

Answer

Answer: (b) nitrogenase
Explanation:
The first stable product of nitrogen fixation is ammonia obtained from atmospheric nitrogen catalysed enzyme nitrogenase.

---

Class 11 Biology MCQ Question 6.
Manganese toxicity leads to deficiency of
(a) iron
(b) calcium
(c) magnesium
(d) all of the above

Answer

Answer: (d) all of the above
Explanation:
Manganese toxicity causes deficiency of iron, magnesium and calcium.

---

Mineral Nutrition Questions And Answers Question 7.
Chlorosis will occur if a plant is grown in
(a) dark
(b) shade
(c) strong light
(d) Fe – free medium

Answer

Answer: (d) Fe – free medium

---

MCQ Questions Class 11 Biology Question 8.
Choose the correct function of magnesium.
(a) It is a constituent of several coenzyme.
(b) It activates the enzymes of respiration and photosynthesis.
(c) It activates enzyme catalase.
(d) It helps in maintaining anion-cation balance.

Answer

Answer: (b) It activates the enzymes of respiration and photosynthesis.
Explanation:
Magnesium is absorbed by plants as Mg²⁺
It activates the enzymes of respiration and photosynthesis.
It is involved in the synthesis of DNA RNA.
It is the constituent of ring structure of chlorophyll.
It helps to maintain ribosome structure.

---

Biology Class 11 MCQ Question 9.
Mineral salts which are absorbed by the roots from soil are in the form of
(a) Dilute solution
(b) Very concentrated solution
(c) Concentrated solution
(d) Very dilute solution

Answer

Answer: (d) Very dilute solution

---

MCQ Questions For Class 11 Biology Question 10.
Which one of the following mineral elements plays an in biological nitrogen fixation?
(a) Copper
(b) Manganese
(c) Zinc
(d) Molybdenum

Answer

Answer: (d) Molybdenum

---

Question 11.
Oxygen scavangers present in root nodules of legumes is
(a) haemoglobin
(b) leg haemoglobin
(c) cyano haemoglobin
(d) none of these

Answer

Answer: (b) leg haemoglobin
Explanation:
Leg-haemoglobin is the oxygen scavanger in root nodules of legumes.

---

Question 12.
Which one of the following is not a micronutrient?
(a) Magnesium
(b) Molybdenum
(c) Boron
(d) Zinc

Answer

Answer: (a) Magnesium

---

Question 13.
Which of the following is not a macronutrient
(a) iron
(b) calcium
(c) manganese
(d) phosphorus

Answer

Answer: (c) manganese

---

Question 14.
Insectivorous plants grow where
(a) There is carbohydrate deficient soil
(b) There is nitrogen deficient soil
(c) Vitamin c is required
(d) Hormones are required

Answer

Answer: (b) There is nitrogen deficient soil

---

Question 15.
Phytotron is meant for
(a) Controlled humidity
(b) Induction of mutations
(c) Controlled irradiation
(d) Growing plants under controlled environment

Answer

Answer: (d) Growing plants under controlled environment

---

Question 16.
Toxicity of which element leads to the appearance of brown spots on leaves
(a) Mg
(b) Mn
(c) Fe
(d) Cu

Answer

Answer: (b) Mn
Explanation:
Toxicity of mangenese leads to the appearance of the brown spots with chlorotic veins.

---

Question 17.
Presence of phosphorus
(a) brings about healthy root growth
(b) promotes fruit ripening
(c) retards protein formation
(d) none

Answer

Answer: (c) retards protein formation

---

Question 18.
Which element is required for opening and closing of stomata?
(a) P
(b) K
(c) Ca
(d) Na

Answer

Answer: (b) K
Explanation:
Potassium plays an important role in opening and closing of stomata.

---

Question 19.
Exanthema is due to deficiency of
(a) B
(b) Mo
(c) Mn
(d) Cu

Answer

Answer: (d) Cu

---

Question 20.
NPK denotes
(a) Nitrogen, Protein, Kinetin
(b) Nitrogen, Protein, Potassium
(c) Nitrogen, Potassium, kinetin
(d) Nitrogen, Phosphorus, Potassium

Answer

Answer: (d) Nitrogen, Phosphorus, Potassium

---

We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Mineral Nutrition 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 11 Biology Chapter 19 Excretory Products and their Elimination with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Excretory Products and their Elimination Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Excretory Products and their Elimination Class 11 MCQs Questions with Answers

Excretory Products And Their Elimination MCQ Question 1.
Presence of RBCs in urine is
(a) Uremia
(b) ketonuria
(c) Glucosuria
(d) hematuria

Answer

Answer: (d) hematuria
Explanation:
Presence of blood in urine is called hematuria.
Presence of glucose in urine is called glucosuria.
Presence of ketone bodies in urine is called ketonuria.

---

Excretory Products And Their Elimination Class 11 MCQ Question 2.
Ornithine cycle leads to the formation of
(a) NH₃
(b) ((NH₂)₂)CO)
(c) C₅H₄N₄O₃
(d) C₅H₄N₄

Answer

Answer: (b) ((NH₂)₂)CO)
Explanation:
Ornithine cycle is the other name of urea cycle. Urea cycle is the production of urea from ammonia.
((NH₂)₂)CO) is the chemical formula of urea.
NH₃ is ammonia.
C₅H₄N₄ is purine.
C₅H₄N₄O₃ is uric acid.

---

Class 11 Biology Chapter 19 MCQ Question 3.
The yellow pigment derived from heme breakdown and excreted by kidneys is
(a) Uric acid
(b) Urochrome
(c) Cholesterol
(d) Melanin

Answer

Answer: (b) Urochrome

---

MCQ On Excretory Products And Their Elimination Question 4.
What happens when glomerular filteration rate falls?
(a) Activation of podocytes
(b) Release of renin
(c) Repression of juxta glomerular cells
(d) None of the above

Answer

Answer: (b) Release of renin
Explanation:
Fall in GFR activates juxta glomerular cells to release renin which stimulates glomerular blood flow and brings back the GFR to normal.

---

Excretory Products And Their Elimination MCQ With Answers Question 5.
Which of the following can be cured by hemodialysis?
(a) Renal calculi
(b) Glomerulonephritis
(c) Uremia
(d) All of these can be cured by hemodialysis

Answer

Answer: (c) Uremia
Explanation:
Malfunctioning of kidneys can lead to accumulation of urea in blood, this situation leads to uremia.
This can lead to kidney failure. In such patients, urea can be removed by hemodialysis.

---

MCQ Of Excretory Products And Their Elimination Question 6.
Kidneys are located in
(a) thoracic cavity
(b) abdominal cavity
(c) body cavity
(d) pelvic cavity

Answer

Answer: (b) abdominal cavity
Explanation:
Kidneys are present in abdominal cavity along with digestive organs.
Body cavity contains brain and spinal cord.
Thoracic cavity contains heart and lungs.
Pelvic cavity contains bladder and reproductive organs.

---

MCQs On Excretory Products And Their Elimination Question 7.
The muscular tubes which take the urine from the kidneys to the bladder are
(a) Urinary bladders
(b) Ureters
(c) Urethras
(d) Nephrons

Answer

Answer: (b) Ureters

---

Excretory Products And Their Elimination MCQs Question 8.
Most water and salts are reabsorbed in
(a) DCT
(b) Bowman s capsule
(c) PCT
(d) DCT and PCT

Answer

Answer: (c) PCT

---

Explanation:
Maximum absorption of water and salts occurs in proximal convulated tubule.

Excretion And Osmoregulation Class 11 MCQ Question 9.
Reabsorption of filterate occurs in
(a) renal tubules
(b) glomerular apparatus
(c) medullary pyramid
(d) juxta cells

Answer

Answer: (a) renal tubules
Explanation:
Nearly 99 per cent of the filtrate is absorbed by renal tubules.

---

Excretory Products And Their Elimination MCQ Questions Question 10.
JG cells release
(a) angiotensin II
(b) aldosterone
(c) renin
(d) ANF

Answer

Answer: (c) renin
Explanation:
A fall in glomerular blood flow activates JG cells to release renin.

---

Excretory Products And Their Elimination Ncert MCQ Question 11.
pH of human urine is
(a) 7.0
(b) 6.5
(c) 6.0
(d) 7.5

Answer

Answer: (b) 6.5
Explanation:
The average pH of human urine is 6.0.

---

MCQ On Excretory System Class 11 Question 12.
Average blood filtered by kidneys per minute is
(a) 1000 – 1500 mL
(b) 500 – 600 mL
(c) 200 – 300 mL
(d) 1100 – 1200 mL

Answer

Answer: (d) 1100 – 1200 mL
Explanation:
On an average kidneys filter 1100 – 1200 mL of blood per minute.

---

Excretory Products And Their Elimination MCQ Pdf Question 13.
Kidneys are located in
(a) thoracic cavity
(b) abdominal cavity
(c) body cavity
(d) pelvic cavity

Answer

Answer: (b) abdominal cavity
Explanation:
Kidneys are present in abdominal cavity along with digestive organs.
Body cavity contains brain and spinal cord.
Thoracic cavity contains heart and lungs.
Pelvic cavity contains bladder and reproductive organs.

---

Excretory Products And Their Elimination Class 11 Important Questions Question 14.
Which one of the following statements in regard to the excretion by the human kidneys is correct?
(a) Ascending limb of Loop of Henle is impermeable to electrolytes
(b) Descending limb of Loop of Henle is impermeable to water
(c) Distal convoluted tubule is incapable of reabsorbing HCO₃
(d) Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules

Answer

Answer: (d) Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules

---

Excretory System Class 11 MCQ Question 15.
In the kidneys, osmotic pressure controls ______.
(a) Glucose absorption
(b) Sodium absorption
(c) Water absorption
(d) none of these

Answer

Answer: (c) Water absorption

---

Class 11 Biology Chapter 19 MCQ Questions Question 16.
Presence of __________ in urine indicates diabetes mellitus.
(a) Glucose
(b) Cholesterol
(c) Ketone bodies
(d) Both 1 and 3

Answer

Answer: (d) Both 1 and 3
Explanation:
Presence of ketone bodies and glucose in urine indicates diabetes mellitus.

---

Question 17.
If a man takes large amount of protein, he is likely to excrete more amount of
(a) Glucose
(b) Urea and uric acid
(c) Water
(d) Salts

Answer

Answer: (b) Urea and uric acid

---

Question 18.
Nerves, blood vessels and ureter enters into the kidney through
(a) calyces
(b) hilum
(c) capsule
(d) cortex

Answer

Answer: (b) hilum
Explanation:
Nerves, blood vessels and ureter enters into the kidney through hilum.

---

Question 19.
The principal nitrogenous excretory compound in humans is synthesised
(a) In the liver but eliminated mostly through kidneys
(b) In kidneys but eliminated mostly through liver
(c) In kidneys as well as eliminated by kidneys
(d) In liver and also eliminated by the same through bile

Answer

Answer: (a) In the liver but eliminated mostly through kidneys

---

Question 20.
The renal medulla consists of cone-shaped tissue masses called _______.
(a) Renal pyramid
(b) Adipose capsule
(c) Renal cortex
(d) Renal pelvis

Answer

Answer: (a) Renal pyramid

---

We hope the given NCERT MCQ Questions for Class 11 Biology Chapter 19 Excretory Products and their Elimination with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Biology Excretory Products and their Elimination MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.