Question

Guttation differs from transpiration because

• A. It is controlled by stomatal movements
• B. It occurs during day time
• C. Water is released in vapour form
• D. Water is exudated in liquid form

Answer 1

The correct option is D Water is exudated in liquid form

S.No	Transpiration	Guttation
1	Water loss in the form of vapour from the plants	Water is lost in the form of a liquid droplet from the plants
2	It occurs during daytime, high temperatures and dry condition.	It occurs during nights, cold temperatures and humid conditions.
3	It occurs through aerial parts of the plant.	It occurs at the vein ends on margin or tips of the leaves.
4	It occurs through stomata, lenticels and cuticle.	It occurs through hydathodes.
5	Excessive transpiration takes place during water deficit and causes wilting.	It does not take place during water deficit and do not cause wilting.
6	It takes place as long as stomata are open.	It takes place when water is adequate.