Question

Give reason

Light increases the rate of transpiration.

Answer 1

Explanation:

Transpiration-

1. Transpiration is the loss of water in the form of water vapor from the aerial parts of the plants.
2. Transpiration is affected by various factors like temperature, sunlight, wind, humidity, etc

Reason-

1. During daytime, light leads to the opening of stomata as diffusion of gases like carbon-dioxide and oxygen takes place.
2. Increase in light increases the rate of transpiration due to the opening of stomata.
3. Therefore, light increases the rate of transpiration.