Question

Absorption maxima of chlorophyll 'a' molecules in photosystem I ans II are respectively

• A. 700 nm and 680 nm
• B. 680 nm and 700 nm
• C. 700nm and 700 nm
• D. 700 nm and 800 nm

Answer 1

The correct option is A 700 nm and 680 nm

In PS - I, the reaction centre chlorophyll 'a' has an absorption maxima at 700nm while in PS - II the reaction centre chlorophyll 'a' has absorption centre maxima at 680nm.