Question

Which of the following is true about photosystem- I?

• A. Has more accessory pigments and less of chlorophylls
• B. Has less accessory pigments and more of chlorophylls
• C. Has more accessory pigments and more of chlorophylls
• D. Has less accessory pigments and less of chlorophylls

Answer 1

Answer: (B)

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.