CURRENT AFFAIRS - AUGUST 2022 QUIZ

What do NAD+, NADP+, and FAD+ all have in common?

They are what is used during carbon fixation in photosynthesis

They are reduced

They are oxidized

They have a full complement of electrons

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Which of the following structures or processes are logically associated with chloroplasts?

Thylakoid membranes

Plant cells

All of these

Chlorophyll

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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 oxygen given off by the plant

In the NADPH

In the water used

In the carbohydrate produced

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Antenna complexes, electron transport chains, and carbon fixation are all found in

animal cells

bacterial cells

association with the reactions of the citric acid cycle

plant cells

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What do coenzyme A, CO2, oxaloacetate, and FADH2 all have in common?

They are all elements of oxidative phosphorylation

They are all components or products of the citric acid cycle

They are part of the reactions of lactic acid fermentation

They are part of the dark reactions of photosynthesis

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

550 nm

750 nm

600 nm

700 nm

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

Release of oxygen

Carbon dioxide fixation

Splitting of water

Absorption of light energy by photosystems

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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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The breakdown of glucose occurs by the process known as

glycolysis

Krebs cycle

anaerobic respiration

fermentation

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In algae, photosynthesis takes place in

cell membrane

None of these

choloroplasts

mitochondria

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