Draw the schematic diagram of the process of ATP synthesis through chemiosmosis in chloroplast.

Which of the following are required for chemiosmosis?

I. A membrane

I. A neutron pump

II. An electron gradient

IV. $\mathrm{ATPase}$

The correct answer is:

Arrange the path of electrons from water to the phycocyanin in the light reaction.

i) Plastoquinone

ii) Excited ${\mathrm{P}}_{680*}$

iii) Cyt $f$

iv) $\mathrm{Fe}-\mathrm{S}$

v) Pheophytin

vi) Quinone

The correct sequence is

Assertion A: During photophosphorylation protons are transported across the membrane and accumulated inside the lumen.

Reason R: To develop proton gradient, pheophytin transfers electrons to hydrogen carriers instead of electron carrier.

Identify the labeled parts as $1, 2, 3, 4$ in cyclic photophosphorylation?

Assertion (A): Electrons released from the photosystem are used by the electron transport chain during photophosphorylation.
Reason (R): Movement of electrons from pheophytin to the PS-I reaction centre is an oxidation-reduction reaction.
The correct option among the following is: