Pigment system 1 conducts
(a) cyclic photophosphorylation
(b) non-cyclic photophosphorylation
(c) both a and b
(d) none of the above

Dear student.

The correct answer is ​(a) cyclic photophosphorylation.

Cyclic photophosphorylation.​
1. Photo system I carry out the reaction.
2. Active reaction centre is P700.
3. Movement of electrons is cyclic.

Regards.
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