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Plant Physiology Growth - Questions and Answers

Practice questions on Plant Physiology Growth.

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31. The hormone applied to hasten rooting in stem cutting of plants is
A. Ethylene
B. Giberrellin
C. Cytokinin
D. Auxin
Explanation:
32. The cytokinins isolated from endosperm of tender coconut is
A. Ethylene
B. Auxin
C. Zeatin
D. NAA
Explanation:
33. This is not a gibberelic acid
A. GA1
B. GA2
C. GA3
D. IAA
Explanation:
34. The sigmoid growth curve contains
A. 2 phases
B. 3 phases
C. 4 phases
D. 5 phases
Explanation:
35. The number of gibberellins isolated from different plant sources is
A. 40
B. 50
C. 90
D. 120
Explanation:
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