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MCQs on Plant Hormones or phytohormones Biology | QUIZ and Objective types of Questions

 1. Which of the following is not a Plant Hormone ( phytohormone)?

a) Gibberellin

b) Auxin

c) Insulin

d) Cytokinin


Answer. c) Insulin


2. Which of the following is NOT a plant Hormone?

a) Cytokinin

b) Ethylene

c) Abscisic Acid

d) Thyroxine


Answer. d) Thyroxine


3. Which of the following plant Hormone help in Seed Dormancy?

a) Cytokinin

b) Ethylene

c) Abscisic Acid

d) Gibberellin


Answer. c) Abscisic Acid


4. Which of the following plant Hormone help in Germination?

a) Cytokinin

b) Ethylene

c) Abscisic Acid

d) Gibberellin


Answer. d) Gibberellin


5. Which Hormone controls the tropic movement in Plants?

a) Heteroauxin

b) Gibberellin

c) Cytokinin

d) Auxin


Answer. d) Auxin


6. The Hormone that triggers the fall of mature leaves and fruits from plants due to 

a) Heteroauxin

b) Gibberellin

c) Cytokinin

d) Abscisic acid


Answer. d) Abscisic acid


7. Which Hormone helps the movement of shoots towards light?

a) Heteroauxin

b) Gibberellin

c) Cytokinin

d) Auxin


Answer. d) Auxin


8. Match the following

    List I ( Plant Hormone)

A. Auxins

B. Gibberellins

C. Cytokinin 

D. Abscisic Acid

Function

1. Growth of stem

2. Promotes cell division

3. Inhibits growth

4. Movement of shoot

Codes:

        A    B    C    D

a)    1    2    3    4

b)    4    3    2    1

c)    4    1    2    3

d)    2    1    4    3


Answer. c)    4    1    2    3


9. Which of the following plant Hormones is essential for fruit ripening?

a) Ethelene

b) Cytokinin

c) Auxin

d) Abscisic Acid


Answer. a) Ethelene


10. Which of the following plant Hormones is mainly associated with cell division?

a) Ethelene

b) Cytokinin

c) Auxin

d) Abscisic Acid


Answer. b) Cytokinin


11. Which one of the following is a plant hormone? ( UPPSC PYQ)

a) Insulin

b) Cytokinin

c) Thyroxin

d) Estrogen


Answer. b) Cytokinin is a plant hormone.


12. The gas used in the artificial ripening of green fruit is ( UPPSC PYQ)

a) Acetylene

b) Ethane

c) Hydrogen

d) Carbon dioxide


Answer. a) Acetylene;


13.

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