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Photosynthesis and Respiration

Photosynthesis and Respiration
The followings are the products of the light reactions of photosynthesis except

NADPH
ATP
oxygen
glucose

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Photosynthesis and Respiration
Carbon fixation requires the expenditure of ATP molecules which is generated by

formation of glucose during the Calvin cycle
replenishment of chlorophyll
None of these
ETS (electron transfer system) during the light reactions

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

NAD+
FADH
NADP+
ADP

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Photosynthesis and Respiration
Which enzyme is involved in carbon-fixation reaction?

Cytochrome reductase
NADP reductase
Glycerol kinase
Ribulose bisphosphate carboxylase

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Photosynthesis and Respiration
During the light-dependent reactions of photosynthesis, which of the following does not occur?

Absorption of light energy by photosystems
Release of oxygen
Splitting of water
Carbon dioxide fixation

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Photosynthesis and Respiration
Rubisco (RuBP Carboxylase-oxygenase enzyme), glyceraldehyde 3-phosphate, and NADPH all play a role in

cellular respiration when O2 is present
the breakdown of glucose into CO2
the dark reactions of photosynthesis
alcohol fermentation

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