NEET BIOLOGY

PLANT PHYSIOLOGY

TRANSPORT IN PLANT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following increases the rate of transpiration?
A
Air around the leaf with high humidity.
B
Air molecules around the leaf with less kinetic energy.
C
An absence of light falling on the leaf.
D
Water molecules in the leaf with more kinetic energy.
Explanation: 

Detailed explanation-1: -Temperature-increasing temperature increases the rate of transpiration because more heat energy means that the water molecules have more kinetic energy and will diffuse faster out of the stomata. This increases the water potential gradient between the inside and outside of the leaf.

Detailed explanation-2: -Temperature. A high temperature lowers the relative humidity and opens the stomata even in darkness. As a result, the rate of transpiration increases.

Detailed explanation-3: -Temperature plays a major role in the rate of transpiration. As the temperature increases, transpiration will increase due to a higher concentration in sunlight and warm air.

Detailed explanation-4: -The light intensity, temperature, humidity, wind and water supply will all affect the transpiration rate.

There is 1 question to complete.