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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