Question

List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process.?

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Answer 1

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Photosynthesis

Following are the events that take place during the process of Photosynthesis -

1. Absorption of light energy by chlorophyll
2. Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen.
3. Reduction of carbon dioxide to carbohydrates.

Role of Stomata in this Process -

• Stomata are the tiny pores present on the surface of leaves.
• Massive amount of gas change takes place in leaves through these pores for photosynthesis process.
• Stomata helps plants in getting the carbon dioxide through the pores.

Also, it closes the pores when it doesn't need Carbon dioxide for photosynthesis.

Answer 2

Explanation:

• (i) Absorption of light energy by chlorophyll. (ii) Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen. (iii) Reduction of carbon dioxide to carbohydrates. Role of stomata These help in the gaseous exchange between the plant and its atmosphere.