Question

what are the functions performed by a leaf ? Class 4 standard​

Answer 1

Answer:

The main function of a leaf is to produce food for the plant by photosynthesis. Chlorophyll, the substance that gives plants their characteristic green colour, absorbs light energy. The internal structure of the leaf is protected by the leaf epidermis, which is continuous with the stem epidermis.

Explanation:

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Answer 2

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

2) Leaf also contains stomata which is responsible for exchange of gases.

3) Leaf helps in transpiration by releasing excess water.