During non-cyclic photophosphorylation, when electrons are lost from the reaction center at PS II, what is the source which replaces these electrons?

Read the following four statements A, B, C and D and select the right option having both correct statements:

STATEMENTS:

Options:

Cyclic -photophosphorylation results in the formation of:
1. NADPH
2. ATP and NADPH
3. ATP, NADPH, and O₂
4. ATP

Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on:

1. Membrane potential

2. Accumulation of K ions

3. Proton gradient

4. Accumulation of Na ions