Question

Hormone involved in inhibition of growth is

• A. ABA
• B. Ethylene
• C. None of the above
• D. Both A and B

Answer 1

The correct option is D Both A and B

There are various plant hormones which act as growth regulators. Hormones like gibberellic acid (GA), Indoleacetic acid (IAA), a type of auxin, cytokinin (CK) are growth promoter. Hormones like Abscisic Acid (ABA), ethylene are growth inhibitor. These hormones accelerate abscission process and are involved in inhibition of growth.

Thus, the correct answer is option D.