How many of the above pair(s) is/are correctly matched?

Question

Consider the following pairs:

Plant Hormone — Function

1. Auxin — Involved in phototropism

2. Cytokinin — Stimulates cell division

3. Gibberellin — Promotes stem elongation

4. Abscisic acid — Promotes seed dormancy

How many of the above pair(s) is/are correctly matched?

1. A. Only one pair
2. B. Only two pairs
3. C. Only three pairs
4. D. All four pairs (Correct answer)

Correct Answer

Option D — All four pairs

Detailed Solution & Explanation

The correct answer is All four pairs.

Key Points

• Plant hormones and functions: Auxin — phototropism and growth regulation ✓, Cytokinin — promotes cell division and delays senescence ✓, Gibberellin — promotes stem elongation and seed germination ✓, Abscisic acid — promotes seed dormancy and stomatal closure ✓.
• All four pairs are correctly matched.