Question

which of the following hormones regulate stomatal colour
a) auxins
b) GA
c) ABA
d) cytokinin

Answer 1

auxins...

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Answer 2

Answer:

ABA also called as abscisic acid is the plant hormone that regulates the colour of stomata.

Explanation:

Abscisic acid is the plant hormone majorly involved in the growth and development of plants.

Abscisic acid also involves in stress level regulation in stomata.

It dictates the opening and closure of stomata.

Along with this function it also influence the colour of stomata.