Electron Transport Chain in Photosynthesis

Through the use of oxygen-18 (heavy oxygen), scientists have found that the oxygen released during photosynthesis comes from molecules of:

Which one of the following categories of organisms do not evolve oxygen during photosynthesis?

Hill reaction occurs in

Proton motive force is created by pumping protons across the

The enzymes required for synthesis of ATP are located on _____.

Which of the following is/are the product$\left(\mathrm{s}\right)$ of cyclic photophosphorylation$?$

In cyclic photophosphorylation, the electron is returned back to the reaction centre $P_{680}$ after passing through the elctron transport system.

In cyclic photophosphorylation, electron passes from primary electron acceptor to

Photophosphorylation is the process of utilising light energy from photosynthesis to convert

First reaction in electron transport of Photosynthesis

The ratio of $\mathrm{NADP},$ ${\mathrm{H}}_2\mathrm{O}$ and electrons required to evolve $4{\mathrm{O}}_2$ molecules through photophosphorylation are

Functions of lamellae of grana and stroma lamellae of chloroplast during photophosphorylation is

Oxygen evolving complex which is responsible for oxygen evolution during photosynthetic. light reactions is physically associated with

In the chart of photophosphorylation, what does $\text{'}\mathrm{a}\text{'}$ represent 

Which of the following conditions are favourable for cyclic photophosphorylation?

The oxygen in ${\mathrm{H}}_2\mathrm{O}$ produced during ETC comes from

Which substance acts as a hydrogen acceptor in plants when photolysis of water takes place?

What are cytochromes? 

Under which conditions cyclic photophosphorylation will take place? 

Define photophosphorylation and describe non-cyclic photophosphorylation.