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Topic: Plant growth regulators: auxin, gibberellin, cytokinin, ethylene, ABA· Plant Physiology

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-differentia…

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.

Choose the option with all correct statements.

1. A, B, C only

2. A, C, E only

3. A, D, E only

4. B, D, E only

1 answer

Best answer

Answer: 1. A, B, C only

Key idea: Check each statement.

  • A true: auxins can induce parthenocarpy.
  • B true: PGRs may promote or inhibit growth.
  • C true: cells must dedifferentiate before redifferentiating.
  • D false: ABA is a growth inhibitor.
  • E false: apical dominance inhibits lateral buds.

A, B, C: option 1.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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