Main Functions of a Leaf

What are the main functions of Leaf?

1. Leaves make food for the plant (photosynthesis).
2. Leaves release water in the air (Transpiration) .

Transpiration

• Plants release a lot of water into the air.
• The process by which water comes out of leaves in the form of vapor, is known as Transpiration.

Photosynthesis

• It is the process through which the green leaves make food for the plant
• In this process, green leaves combine with carbon dioxide and water in the presence of sunlight to make food and oxygen gas.

Note:

The plants having tap roots have a reticulate venation in their leaves whereas the plants having fibrous roots have parallel venation i n their leaves.