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Plant Physiology Growth - Questions and Answers

Practice questions on Plant Physiology Growth.

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16. An organic substance which is active in very minute quantity is
A. Plant hormone
B. Growth regulator
C. Growth inhibitor
D. IAA
Explanation:
17. The following hormone stimulates respiration in plants is
A. GA1
B. Auxin
C. GA2
D. Cytokinin
Explanation:
18. The hormone which causes apical dominance is
A. GAz
B. Zeatin
C. Auxin
D. Cytokinin
Explanation:
19. What is the net result of the metabolic processes going on in a plant
A. Respiration
B. Photosynthesis
C. Growth
D. Transpiration
Explanation:
20. Sigmoidal pattern of growth is seen in
A. Annuals
B. Biennials
C. Woody Perennials
D. Annuals and woody Perennials
Explanation:
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