Question

Select the correct option regarding the phytohormone to which the given molecualar structure belongs.

A. The hormone promotes femaleness in most flowers.
B. The hormone promotes apical domiance.
C. The hormone usually decreases the size of stem, leaves, flowes and fruits
D. The hormones breaks seed dormancy by synthesis of certain enzymes.

Answer 1

Correct Answer - d
Given molecular sturcture belongs to hormone gibberellic acid (GA). Gibberellic acid (GA) breaks the dormancy of several types of seeds. One biochemical reaction known to be enhanced GA is the synthesis of hydrolase enzyme (especially-`alpha`-amylase) in the endosperm of cereal grains e.g., barley.