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

Answer:

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Explanation:

Three most important steps of photosynthesis are:

Absorption of light energy by chlorophyll

Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen

Reduction of carbon dioxide to carbohydrates

Stomata are present in enormous amount over leafs, this tiny pores helps in the exchange of gaseous by photosynthesis. Since large amount of water can also be lost through these stomata, the plant closes these pores when it does not need carbon dioxide for photosynthesis, opening and closing of pours is regulated by guard cells, it swell up when water flows inside them, causing the stomata pore to open. Similarly the pore closes if the guard cells shrink.

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Answer 2

Answer:

Process

1. Trapping of sunlight - chlorophyll in leaves trap light energy for photosynthesis
2. Stomatal exchange - carbon dioxide is taken in my stomatal cells and Oxygen is given out, CO2 is vital for photosynthesis
3. Water - Water is taken up from roots to leaves for photosynthesis

Reaction

6H2O+6CO2→ C6H1206+ 6O2