Pick out the correct statements. Cytokinins especially help in delaying senescence. Auxins are involved in regulating apical dominance. Ethylene is especially useful in enhancing seed germination. Gibberellins are responsible for immature falling of leaves.

Question

Dr. Abubacker · Accepted Answer

Ethylene is a gaseous hormone responsible for fruit ripening. Germination of seed is triggered by soaking the seed in water. After imbibing water the embryo secretes gibberellin, which diffuses to the aleurone layer and stimulates the synthesis of several enzymes including $\alpha$-amylase. These enzymes catalyze the breakdown of food reserve in endosperm. Gibberellins are not responsible for immature falling of leaves.

Q. Pick out the correct statements. Cytokinins especially help in delaying senescence. Auxins are involved in regulating apical dominance. Ethylene is especially useful in enhancing seed germination. Gibberellins are responsible for immature falling of leaves.

Explanation

Reviewed by Dr. Abubacker

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