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Plant Physiology Growth - Questions and Answers

Practice questions on Plant Physiology Growth.

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21. Premature fall of leaves and fruits are prevented by
A. GA₁
B. GA₃
C. Zeatin
D. Auxin
Explanation:
22. An important plant hormone is
A. Androgen
B. Algin
C. Auxin
D. Ferrodoxin
Explanation:
23. Auxins produced by the apical buds suppress the growth of the
A. Terminal buds
B. Axillary buds
C. Lateral buds
D. Terminal flowers
Explanation:
24. The name of the disease caused by Gibberella fujikurai is
A. Bakanae
B. Cytokinesis
C. Polyphagia
D. Hydrophobia
Explanation:
25. The germination of potato tubers during storage is prevented by spraying
A. Gibberrellins
B. Auxin
C. Cytokinin
D. Ethylene
Explanation:
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