Assertion : Phototropism is a directional growth movement.
Reason : Phototrophic movement occurs in the direction of light.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

A

Explanation

Phototropism refers to the movement of a plant towards light source. It is the ability of a plant or other photosynthesizing organism to grow directionally in response to a light source.