The important function of $PS-II$ in photosynthesis is .........

Solar energy is converted into $ATP$ in

Where is Photosystem-$II$ located?

Photosynthetic bacteria do not possess .........

Read the following four statements,$(i), (ii), (iii)$ and $(iv)$ and select the right option having both correct statements.
Statements:
$(i)$ $Z$ scheme of light reaction takes place in the presence of $PSI$ only.
$(ii)$ Only $PSI$ is functional in cyclic photophosphorylation.
$(iii)$ Cyclic photophosphorylation results in the synthesis of $ATP$ and $NADPH_2$.
$(iv)$ Stroma lamellae lack $PSII$ as well as $NADP$ reductase.

In a chloroplast,the highest number of protons are found in: