The specific function of light energy in the process of photosynthesis is to

Photosynthesis is most active in . . . . . . .

In photosynthesis,the energy formed is transferred in the form of

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

Photosystem-$I$ $(PS-I)$ is associated with which of the following?

Which are incorrect sentences for non-cyclic photophosphorylation?
$(1)$ $Z$ shape is formed when all the carriers are placed in a sequence on a redox potential scale.
$(2)$ The $4e^-$ released are accepted by various electron acceptors and finally enter into $PS-II$ instead of returning to $PS-I$.
$(3)$ In this process both $PS-I$ and $PS-II$ take part.
$(4)$ As the electrons released in various ways do not return to their original donors,such an electron transport is called non-cyclic electron transport.