DENDROLOGY

Detailed explanation-1: -The light reactons take place in the two photosystems-photosystem I and photosystem II, where light energy is harvested and is used to power the transfer of electrons from water, via a series of electron donors and acceptors, to the final acceptor NADP+, which is reduced to NADPH.

Detailed explanation-2: -There are two types of photosystems in the light-dependent reactions, photosystem II (PSII) and photosystem I (PSI).

Detailed explanation-3: -Noncyclic photophosphorylation involves both Photosystem I and Photosystem II and produces ATP and NADPH. During noncyclic photophosphorylation, the generation of ATP is coupled to a one-way flow of electrons from H2O to NADP+.

Detailed explanation-4: -An electron transport chain connects the two photosystems in the light reactions.

Detailed explanation-5: -Photosystem I (PS I) and II (PS II) are found in the thylakoid membranes inside the chloroplast. The photosystems are responsible for carrying out photochemical phase or light reaction of photosynthesis.