What is produced during both cyclic and non-cyclic photophosphorylation?

In photosynthesis,photolysis of water is used in

Identify the correct statements regarding chemiosmotic hypothesis :
$(a)$ Splitting of the water molecule takes place on the inner side of the membrane.
$(b)$ Protons accumulate within the lumen of the thylakoids.
$(c)$ Primary acceptor of electron transfers the electrons to an electron carrier.
$(d)$ $NADP$ reductase enzyme is located on the stroma side of the membrane.
$(e)$ Protons increase in number in stroma.
Choose the correct answer from the options given below:

Examine the figure given below and select the right option giving all the four parts $(a, b, c, d)$ correctly identified.

What is a reaction centre? Explain.

Which one of the following is not true about the light reactions of photosynthesis?