PHOTOSYNTHESIS AND RESPIRATION QUIZ

In oxygenic photosynthesis, water is split in order to provide the

electrons needed to reduce NADH

O2 needed for the dark reactions

electrons needed for cyclic photophosphorylation

electrons needed to reduce P680

TRUE ANSWER : ?
YOUR ANSWER : ?

In oxygenic photosynthesis, the electron donor is

water

NADH

NADPH

oxygen

TRUE ANSWER : ?
YOUR ANSWER : ?

More ATP is manufactured during __________ than at any other time in all of cellular metabolism.

the light reactions of photosynthesis

oxidative phosphorylation

fermentation

glycolysis

TRUE ANSWER : ?
YOUR ANSWER : ?

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

replenishment of chlorophyll

None of these

formation of glucose during the Calvin cycle

ETS (electron transfer system) during the light reactions

TRUE ANSWER : ?
YOUR ANSWER : ?

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

600 nm

700 nm

750 nm

550 nm

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrogen (electron) acceptor in the light reactions is

FADH

ADP

NAD+

NADP+

TRUE ANSWER : ?
YOUR ANSWER : ?

Which enzyme is involved in carbon-fixation reaction?

Ribulose bisphosphate carboxylase

Cytochrome reductase

Glycerol kinase

NADP reductase

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Thylakoid membranes

Chlorophyll

All of these

Plant cells

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

CO2

O2

Sunlight

ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

The cytochrome c oxidase complex

donates four electrons to O2

all of these

accepts electrons from cyt c

pumps protons out of the matrix space

TRUE ANSWER : ?
YOUR ANSWER : ?

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