Question

Explain how the tissues in a leaf are arranged to form an effective organ for photosynthesis. six mark question

Answer 1

Explanation:

The leaves are the organ for photosynthesis. It is where photosynthesis takes place. The structures of leaves are adapted for efficient photosynthesis

Adaptation Function

Large surface area Most leaves are broad and so have a large surface area allowing them to absorb more light.

A thin shape A thin shape means a short distance for carbon dioxide to diffuse in and oxygen to diffuse out easily.

Chlorophyll This chemical gives the leaves their green colour and transfers light energy to chemical energy.

Veins Networks of veins support the structure of the leaf and transport substances to and from the cells in the leaf.

Stomata These are small holes on the underside of the leaf that allow gases to diffuse in and out.

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