Question

For NADPH + $H^{+}$ formation

• A. only PS I is required
• B. only PS II is required
• C. both PS I and PS II are required
• D. only stroma is required

Answer 1

Answer: (C)

both PS I and PS II are required

NADPH is formed during non-cyclic photophosphorylation wherein both PSI and PS II are involved.

So, the correct answer is 'both PS I and PS II are required'