Question
(i) Name the products produced from Non – Cyclic photophosphorylation?
(ii) Why does PS II require electrons from water?
(iii) Can you find the difference in the Pathway of electrons during PS I and PS II?

Answer

(i) The products of non-cyclic phosphorylation are NADPH $+ H ^{+}$and ATP.
(ii) The electrons received from water are responsible for the production of ATP and NADPH $+ H ^{+}$through electron transport system in PS I and PS II.
(iii) Yes. Electron flow starts from P680 through a series of electron carrier molecules and finally reaches P700 (PSI). From PS I the electrons travels downhill through ferredoxin, NADP $^{+}$is recorded to NADPH $+ H ^{+}$.

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