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

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

MCQ Questions for Class11 Biology Chapter 15 Plant Growth and Development

Plant Growth and Development Class 11 Biology MCQs Questions 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 Quiz

Class 11 Biology Chapter 15 MCQ Online Test


You can refer to NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Plant Growth and Development Class 11 Biology MCQ online test

Q1. Mechanism of development was explained by
A.Hans Dietrisch
B.Spemann
C.Both a and b
D.Haemmerling
Ans: Both a and b

Q2. Intercalary meristems are of
A.Permanent nature
B.Temporary nature
C.Some are permanent some temporary
D.None of these
Ans: Temporary nature

Q3. 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
Ans: Phase of cell division

Q4. Typical plant growth shows _________ curve.
A.J-shaped
B.S-shaped
C.I-shaped
D.Parabolic
Ans: S-shaped
Explanation:
Typical plant growth represents sigmoid curve.

Q5. 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
Ans: 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).

Q6. 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
Ans: Autonomic movement of growth

Q7. 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
Ans: Hypoblast is presumptive mesoderm

Q8. The stage of rapid cell division just after fertilization is
A.Organogenesis
B.Cleavage
C.Gastrulation
D.Growth
Ans: Cleavage

Q9. 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
Ans: presence of meristems
Explanation:
Plants growth throughout their life due to the presence of meristems at certain locations in their body.

Q10. Liver and pancreas arise from
A.Foregut
B.Midgut
C.Hindgut
D.None of these
Ans: Foregut

Q11. Which one of the followings is a gaseous plant hormone?
A.Ethylene
B.Gibberellin
C.IAA
D.Abscisic acid
Ans: Ethylene

Q12. 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
Ans: refrigerated

Q13. 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
Ans: surface area increase
Explanation:
Increase in surface area denotes the growth in a dorsiventral leaf.

Q14. Mechanism of development was explained by
A.Hans Dietrisch
B.Spemann
C.Both a and b
D.Haemmerling
Ans: Both a and b

Q15. The ability to regain or recover the lost or injured part of body is
A.Aging
B.Regeneration
C.Abnormal development
D.Primary inductio
Ans: Regeneration

Q16. Which growth hormone accerlates the malting process in brewing industry?
A.Auxins
B.Gibberellins
C.Ethylene
D.Cytokinins
Ans: Gibberellins
Explanation:
Gibberellins especially GA3 is used to speed up the malting process in brewing industry.

Q17. Which plant growth regulator is the derivative of carotenoids?
A.Auxin
B.Gibberelic acid
C.Cytokinin
D.Abscisic acid
Ans: Abscisic acid
Explanation:
Abscisic acid are the derivatives of carotenoids.

Q18. Typical plant growth shows _________ curve.
A.J-shaped
B.S-shaped
C.I-shaped
D.Parabolic
Ans: S-shaped
Explanation:
Typical plant growth represents sigmoid curve.

Q19. Mobilisation of stored food in germinating seeds is triggered by
A.auxins
B.cytokinins
C.gibberellins
D.ethylene
Ans: gibberellins

Q20. Cavity formed between somatic and splanchnic mesoderm is called
A.Gastrocoele
B.Blastocoele
C.Coelom
D.Neurocoele
Ans: Coelom


MCQ Questions for Class 11 Biology


MCQ QUESTIONS WITH ANSWER

NCERT SOLUTIONS FOR CLASS 11

Tags:

Post a Comment

इस पेज / वेबसाइट की त्रुटियों / गलतियों को यहाँ दर्ज कीजिये
(Errors/mistakes on this page/website enter here)

Post a Comment

इस पेज / वेबसाइट की त्रुटियों / गलतियों को यहाँ दर्ज कीजिये
(Errors/mistakes on this page/website enter here)

Previous Post Next Post