Question:
What is true for photosynthesis?
What is true for photosynthesis?
Updated On: Aug 15, 2022
- Carbon dioxide is oxidised and water is reduced
- Carbon dioxide is reduced and water is oxidized
- Both carbon dioxide and water are reduced
- Both carbon dioxide and water are oxidized
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The Correct Option is B
Solution and Explanation
Photosynthesis is a process carried out by an organism in which light absorbing pigments chlorophyll, carotenoids and xanthophylls are present which help in the reduction of $CO _{2}$ and oxidation of water.
$6 CO _{2}+6 H _{2} O \rightarrow C _{6} H _{12} O _{6}+6 O _{2}$
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Concepts Used:
Photosynthesis in Higher Plants
Processes Of Photosynthesis in Higher Plants:
Photosynthesis in higher plants involves the following processes:
- Light Reaction
- Dark Reaction
Light Reaction:
- This phenomenon occurs in the presence of light.
- The pigment absorbs light and produces energy in the form of ATP.
- The process involves- absorption of light, water splitting, the release of oxygen, and formation of ATP and NADPH.
Dark Reaction:
This process occurs in the absence of light in the stroma of the chloroplasts. The following cycles are involved in the process:
- Calvin Cycle (C3 Cycle)
- C4 Cycle (Hatch and Slack Pathway)