MCQ Questions for Class 11 Biology Chapter 15 Plant Growth and Development with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 15 Plant Growth and Development with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Plant Growth and Development Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 15 MCQ With Answers

Biology Class 11 Chapter 15 MCQs On Plant Growth and Development

Plant Growth And Development MCQ Chapter 15 Class 11 Question 1.
Mechanism of development was explained by
(a) Hans Dietrisch
(b) Spemann
(c) Both a and b
(d) Haemmerling

Answer

Answer: (c) Both a and b

Plant Growth And Development Class 11 MCQ Chapter 15 Question 2.
Intercalary meristems are of
(a) Permanent nature
(b) Temporary nature
(c) Some are permanent some temporary
(d) None of these

Answer

Answer: (b) Temporary nature

Growth Of Plant Is Affected By MCQ Chapter 15 Class 11 Question 3.
Cells of fibers and tracheids elongate during
(a) Phase of cell division
(b) Phase of cell elongation
(c) Phase of cell maturation
(d) Phase of cell differentiation

Answer

Answer: (a) Phase of cell division

MCQ On Plant Growth And Development Class 11 Chapter 15 Question 4.
Typical plant growth shows _________ curve.
(a) J-shaped
(b) S-shaped
(c) I-shaped
(d) Parabolic

Answer

Answer: (b) S-shaped
Explanation:
Typical plant growth represents sigmoid curve.

MCQ On Plant Growth And Development Chapter 15 Class 11 Question 5.
Exponential growth of the plants is express as W1 = W0 ert r represents
(a) ability of the plant to produce new cells
(b) efficiency index
(c) relative growth rate
(d) all of the above

Answer

Answer: (d) all of the above
Explanation:
r is the relative growth rate and also measures the ability of the plant to produce new plant material (efficiency index).

Plant Growth And Development MCQs With Answers Chapter 15 Question 6.
Opening of floral buds into flowers, is a type of:
(a) Autonomic movement of variation
(b) Autonomic movement of locomotion
(c) Autonomic movement of growth
(d) Paratonic movement of growth

Answer

Answer: (c) Autonomic movement of growth

Class 11 Biology Chapter 15 MCQ  Question 7.
Which one is incorrect?
(a) Epiblast is presumptive ectoderm and mesoderm
(b) Hypoblast is presumptive endoderm
(c) Hypoblast is presumptive mesoderm
(d) Upper layer of cells in blastoderm is epiblast

Answer

Answer: (c) Hypoblast is presumptive mesoderm

Growth Of The Plant Is Affected By MCQ Chapter 15 Class 11 Question 8.
The stage of rapid cell division just after fertilization is
(a) Organogenesis
(b) Cleavage
(c) Gastrulation
(d) Growth

Answer

Answer: (b) Cleavage

Plant Growth And Development MCQ Pdf Chapter 15 Class 11 Question 9.
Plants grow throughout their life due to
(a) presence of meristems
(b) presence of vascular cambium
(c) presence of xylem and phloem
(d) presence of tracheids

Answer

Answer: (a) presence of meristems
Explanation:
Plants growth throughout their life due to the presence of meristems at certain locations in their body.

MCQs On Plant Growth And Development Chapter 15 Class 11 Question 10.
Liver and pancreas arise from
(a) Foregut
(b) Midgut
(c) Hindgut
(d) None of these

Answer

Answer: (a) Foregut

Plant Growth And Development MCQs Chapter 15 Class 11 Question 11.
Which one of the followings is a gaseous plant hormone?
(a) Ethylene
(b) Gibberellin
(c) IAA
(d) Abscisic acid

Answer

Answer: (a) Ethylene

MCQ Plant Growth And Development Chapter 15 Class 11 Question 12.
To prevent over – ripening, bananas should be
(a) given a dip in ascorbic acid
(b) maintained at room temperature
(c) refrigerated
(d) stored at the top of refrigerator

Answer

Answer: (c) refrigerated

Plant Growth And Development MCQ With Answers Chapter 15 Class 11 Question 13.
Growth in dorsiventral leaf is measured in terms of
(a) length of leaf
(b) increase in cell number
(c) surface area increase
(d) none of these

Answer

Answer: (c) surface area increase
Explanation:
Increase in surface area denotes the growth in a dorsiventral leaf.

Class 11 Biology Chapter 15 Important Questions Question 14.
Mechanism of development was explained by
(a) Hans Dietrisch
(b) Spemann
(c) Both a and b
(d) Haemmerling

Answer

Answer: (c) Both a and b

MCQ Of Plant Growth And Development Chapter 15 Class 11  Question 15.
The ability to regain or recover the lost or injured part of body is
(a) Aging
(b) Regeneration
(c) Abnormal development
(d) Primary inductio

Answer

Answer: (b) Regeneration

Question 16.
Which growth hormone accerlates the malting process in brewing industry?
(a) Auxins
(b) Gibberellins
(c) Ethylene
(d) Cytokinins

Answer

Answer: (b) Gibberellins
Explanation:
Gibberellins especially GA3 is used to speed up the malting process in brewing industry.

Question 17.
Which plant growth regulator is the derivative of carotenoids?
(a) Auxin
(b) Gibberelic acid
(c) Cytokinin
(d) Abscisic acid

Answer

Answer: (d) Abscisic acid
Explanation:
Abscisic acid are the derivatives of carotenoids.

Question 18.
Typical plant growth shows _________ curve.
(a) J-shaped
(b) S-shaped
(c) I-shaped
(d) Parabolic

Answer

Answer: (b) S-shaped
Explanation:
Typical plant growth represents sigmoid curve.

Question 19.
Mobilisation of stored food in germinating seeds is triggered by
(a) auxins
(b) cytokinins
(c) gibberellins
(d) ethylene

Answer

Answer: (c) gibberellins

Question 20.
Cavity formed between somatic and splanchnic mesoderm is called
(a) Gastrocoele
(b) Blastocoele
(c) Coelom
(d) Neurocoele

Answer

Answer: (c) Coelom

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