Read the following statements on plant growth and development:
A. Parthenocarpy can be induced by auxins.
B. Plant growth regulators can be involved in promotion as well as inhibition of growth.
C. Dedifferentiation is a pre-requisite for re-differentiation.
D. Abscisic acid is a plant growth promoter.
E. Apical dominance promotes the growth of lateral buds.
A. Parthenocarpy can be induced by auxins. B. Plant growth regulators can be involved in promotion as well as inhibition of growth. C. Dedifferentiation is a pre-requisite for re-differentiation. D. Abscisic acid is a plant growth promoter. E. Apical dominance promotes the growth of lateral buds.
Show Hint
- A, C, E only
- A, D, E only
- B, D, E only
- A, B, C only
The Correct Option is D
Solution and Explanation
B. True: Plant growth regulators (hormones) can stimulate or inhibit growth depending on the hormone and concentration.
C. True: Dedifferentiation (loss of specialized structure and function) is necessary before cells can re-differentiate into new cell types.
D. False: Abscisic acid is a growth inhibitor, involved in stress responses like drought tolerance.
E. False: Apical dominance suppresses lateral bud growth, favoring growth of the main stem.
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