Question

Which of the following is not an important factor in the regulation of transpiration?

• A. Light
• B. Temperature
• C. Humidity
• D. Nitrogen content in the soil

Answer 1

The correct option is D Nitrogen content in the soil

Transpiration is the evaporation of the water molecule from the upper surface of leaves.

(A) The intensity of light is directly proportional to the amount of transpiration.

(B) With the temperature increase, the transpiration also increases.

(C) Humidity also affects the rate of transpiration.

(D) The nitrogen content in the soil does not affect the regulation of transpiration.

So, the correct answer is 'Nitrogen content in the soil'.