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Photosynthesis and Respiration

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

Ribulose bisphosphate carboxylase
NADP reductase
Cytochrome reductase
Glycerol kinase

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Photosynthesis and Respiration
Electron transport systems play a vital role in

photorespiration
light-dependent reactions
Calvin cycle
all of these

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Photosynthesis and Respiration
If the oxygen is labeled in CO2 and provide this CO2 to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?

In the water used
In the oxygen given off by the plant
In the NADPH
In the carbohydrate produced

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

Splitting of water
Absorption of light energy by photosystems
Release of oxygen
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

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

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Photosynthesis and Respiration
NADP+ is reduced to NADPH during

none of these
calvin cylcle
light dependent reactions
photorespiration

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MORE MCQ ON Photosynthesis and Respiration

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