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Auxins

Which hormone...

Question

Which hormone(s) is/are responsible for an increase in the rate of photosynthesis?

A

Cytokinin

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B

Both cytokinin and gibberellin

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C

Gibberellin

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D

Auxin

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Solution

The correct option is B
Both cytokinin and gibberellin

Hormones affect the rate of photosynthesis. Cytokinin and gibberellin increase the rate of photosynthesis, whereas abscisic acid reduces the rate of photosynthesis.

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