NEET2024Botany-Plant Growth and Development

NEET 2024 Botany Plant Growth Regulators MCQ Question

Type: MCQ-conceptual-Easy-Class 11

Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

(1) Cytokinin

(2) Abscisic acid

(3) Auxin

(4) Gibberellin

A

Cytokinin

B

Abscisic acid

C

Auxin

D

Gibberellin

Correct Answer

Option D

Detailed Explanation

Gibberellins are plant hormones that promote stem elongation. Spraying sugarcane with gibberellins increases the length of the stem, thereby increasing the yield.

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