Question

Gibberellins can promote seed germination because of their influence on

• A. Rate of cell division
• B. Production of hydrolysing enzymes
• C. Synthesis of abscissic acid
• D. Absorption of water through hard seed coat.

Answer 1

The correct option is: B

Explanation of the correct option:

• Gibberellin is a phytohormone that is usually found in acidic nature and hence called gibberellic acid.
• Gibberellins have a role in promoting seed germination.
• The action mechanism is gibberellins induce the production of hydrolyzing enzymes.
• When these hydrolyzing enzymes in the endosperm are produced, they stimulate the production of digestive enzymes like proteases, amylase, and lipase which help to mobilize stored nutrients. Thus inducing the seed germination.

Explanation of the incorrect option:

Option A: Gibberellins can promote seed germination because of their influence on the production of hydrolyzing enzymes.

Option C: Gibberellins can promote seed germination because of their influence on the production of hydrolyzing enzymes.

Option D: Gibberellins can promote seed germination because of their influence on the production of hydrolyzing enzymes

Final answer: Gibberellins can promote seed germination because of their influence on the production of hydrolyzing enzymes.