Question

What is the main function of leaf blade?

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.

Answer 2

Answer:

The blade is the broad part of a leaf that holds the green food making cells.

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Explanation:

The petiole is the stemlike part of the leaf which holds the blade. A leaf petiole is not merely the handle which holds the leaf to the plant it must also carry food made by the leaf to all parts of the plant