Question:
Photosynthetic Active Radiation (PAR) has the following range of wavelengths
Photosynthetic Active Radiation (PAR) has the following range of wavelengths
Updated On: Jun 27, 2024
- 400 - 700 nm
- 450 - 950 nm
- 340 - 450 nm
- 500 - 600 nm
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The Correct Option is A
Solution and Explanation
Photosynthesis takes place only in the visible part (400 - 700 nm wavelength) of electromagnetic radiations. Hence, this component comprises the photo-synthetically active radiation.
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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)