Which of the following is true about photosystem- I?

Has more accessory pigments and less of chlorophylls

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Has less accessory pigments and more of chlorophylls

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Has more accessory pigments and more of chlorophylls

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Has less accessory pigments and less of chlorophylls

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Solution

The correct option is C Has less accessory pigments and more of chlorophylls
Photosystem I is structurally and functionally similar to the type I reaction centre of green sulphur bacteria and has P700 reaction centre with a high ratio of chlorophyll a to chlorophyll b and lesser quantities of accessory pigments.
So, the correct answer is option B.

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Chlorophyll-'a' is the primary pigment for the light reaction. What are accessory pigments? What is their role in photosynthesis?

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