Question:
Energy transfer in photosynthesis occurs as:
Energy transfer in photosynthesis occurs as:
Updated On: Aug 15, 2022
- Phycoerythrin $ \to $ Phycocyanin $ \to $ Carotenoid $ \to $ Chlorophyll a
- Chlorophyll b $ \to $ Carotenoid $ \to $ Phycoerythrin $ \to $ Chlorophyll a
- Phycocyanin $ \to $ Phycoerythrin $ \to $ Carotenoid $ \to $ Chlorophyll a
- Chlorophyll b $ \to $ Carotenoid $ \to $ Phycocyanin $ \to $ Chlorophyll a
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The Correct Option is A
Solution and Explanation
Chlorophyll is the principal pigment involved in photosynthesis. Chlorophyll ' $a$ ' is the major pigment involved in trapping light energy and converting it into electrical and chemical energy. Chlorophyll ' $b$ ' molecules also acts as accessory pigment. Other accessory pigments are phycoerythrin, phycocyanin, carotenoids etc. The accessory pigment and reaction centre together form photo-system.
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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:
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- C4 Cycle (Hatch and Slack Pathway)