A) dormancy of seeds
B) increased cell division
C) root elongation
D) shoot elongation
Correct Answer: A
Solution :
| [A] Main physiological effects of ABA (Abscisic acid) are as follows: a. It brings about seed dormancy, bud dormancy etc. b. It brings about senescence of leaves. c. It accelerates abscission of leaves, fruits. d. ABA acts a growth inhibitor. e .It promotes the closing of stomata. |
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