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  • Explain the mechanism of photosynthesis.

Explain the mechanism of photosynthesis.

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The process in which green plants convert carbon dioxide and water into glucose in the presence of chlorophyll and sunlight is called photosynthesis.

6CO_{2} + 12H_{2}O + Chlorophyll + Sunlight \rightarrow C_{6}H_{12}O_{6} + 6O_{2} + 6H_{2}O

Step-by-step process of photosynthesis:

1) Sunlight is absorbed by the green pigment called chlorophyll.
2) The light is converted into chemical energy.
3) Water molecule is split into hydrogen and oxygen. Oxygen produced by splitting the water molecule is released into
atmosphere.
4) Hydrogen formed by splitting water molecules is utilized for the reduction of carbon dioxide to form carbohydrates (glucose).
5) The extra glucose is stored as starch in the leaves of the plant.

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