Question

Differentiate between: transpiration and guttation.

Answer 1

1. Transpiration:

It is the loss of water in the form of vapor through stomata.

2. Guttation:

It is the loss of water in the form of droplets through hydathodes from the margins of the leaf.

Transpiration	Guttation
1. Loss of water in the form of vapor.	1. It is the loss of water in the form of droplets.
2. Transpiration takes place during the day.	2. Guttation takes place during the night and early morning.
3. It takes place through stomata which are present under the surface of leaves.	3. Guttation takes place through hydathodes.
4. Temperature, light, wind and humidity affect transpiration.	4. Guttation is not affected by any external factors.