Which of the following absorb light energy for photosynthesis
Which of the following absorb light energy for photosynthesis
- Chlorophyll
- Water molecule
- O2
- RUBP
The Correct Option is A
Solution and Explanation
The correct option is (A): Chlorophyll
A substance that absorbs a certain visible light wavelength is known as a pigment. Plants need chlorophyll, a green pigment found in thylakoid membranes of chloroplasts, for photosynthesis. Green plants use the energy of light to transform carbon dioxide (CO2) and water (H2O) into carbohydrates, a process known as photosynthesis. The plant's photosynthetic pigment, chlorophyll, absorbs light energy while air containing carbon dioxide and oxygen enters the plant through the stomata on the leaves.
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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)