Q.

Which is true for PS II?

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By Expert Faculty of Sri Chaitanya

It is involved in both cyclic and non-cyclic photophosphorylation.

It is never involved with spitting of water molecules.

It has chlorophyll a in its reaction center whose absorption maxima is at 680 nm.

The reaction centre chlorophyll a has an absorption peak at 700 nm.

answer is 3.

(Detailed Solution Below)

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Detailed Solution

PS II it has reaction center with specialised chlorophyll a whose absorption maxima is at 680 nm, and is called P680. It is involved only in non-cyclic photophosphorylation. It is associated with oxygen evolving complex and involved in splitting of water molecules.

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