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Photosynthesis and Respiration

Photosynthesis and Respiration
What is the maximum absorption wavelength for photosystem I in green plants?

550 nm
700 nm
750 nm
600 nm

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Photosynthesis and Respiration
In the Calvin cycle, carbon dioxide is fixed in a reaction with the

ribulose phosphate
ribulose diphosphate
3-phosphoglyceric acid
ribose tri phosphate

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Photosynthesis and Respiration
Oxidative phosphorylation is to respiration as __________ is to photosynthesis

carbon fixation
electron transport chain
light capture by chlorophyll
reduction of NADPH

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Photosynthesis and Respiration
The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called

C4 pathway
Calvin cycle
Photosystem II
ETS (electron transfer system in light reactions

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Photosynthesis and Respiration
The manufacture of ATP in both photosynthesis and respiration is made possible by

energy from the movement of electrons
the action of ATP synthase
All of these
the existence of a proton gradient across specific membranes

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Photosynthesis and Respiration
Hydrogen (electron) acceptor in the light reactions is

FADH
NAD+
NADP+
ADP

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MORE MCQ ON Photosynthesis and Respiration

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