Question

fnr is associated with

1) calvin cycle
2) c4 cycle
3) cyclic electron transport
4) z scheme

Answer 1

Answer : Option is 2

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Answer 2

Ferredoxin NADP oxidoreductase (FNR) is associated with the z scheme

• FNR (Ferredoxin NADP oxidoreductase) is an enzyme that participates in the Z scheme and has a FAD group in it.
• FNR is associated with the Z scheme of non-cyclic electron transport and is involved in electron transportation between PSI and PSII.
• It is an enzyme that has the role of reducing NADP⁺ to NADPH and also is invvovled in taking the electrons from ferredoxin in the reduced form to photosystem I.

Thus, FNR is associated with (Option 4) Z scheme.