Question

what is the main function of a leaf . class 4 science ​

Answer 1

Answer:

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Leaves are vital to the survival of plants. There are following two main functions of the leaf:

(i) Transpiration: The extra water comes out of the leaves in the form of vapor. This process is called transpiration.

(ii) Photosynthesis: The process by which leaves prepare their food from water and carbon dioxide, in the presence of sunlight and a green-colored substance, is called photosynthesis.

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Answer 2

Answer:

Functions Of Leaf:

♡ Leaf contains chloroplast which contains chlorophyll. Chlorophyll plays a major role in photosynthesis by absorbing sunlight.

♡ leaf also contains stomata which is responsible for exchange of gases.

♡ leaf helps in transpiration by releasing excess water.

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