PHOTOSYNTHESIS AND RESPIRATION QUIZ

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

formation of glucose during the Calvin cycle

None of these

ETS (electron transfer system) during the light reactions

replenishment of chlorophyll

TRUE ANSWER : ?
YOUR ANSWER : ?

Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis?

H2O

NADPH

ATP

Glucose

TRUE ANSWER : ?
YOUR ANSWER : ?

As a result of the photosynthetic process, which product is formed?

Water

Oxygen

Both (a) and (b)

Carbon dioxide

TRUE ANSWER : ?
YOUR ANSWER : ?

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

They are what is used during carbon fixation in photosynthesis

They have a full complement of electrons

They are reduced

They are oxidized

TRUE ANSWER : ?
YOUR ANSWER : ?

Oxidative phosphorylation is to respiration as __________ is to photosynthesis

carbon fixation

reduction of NADPH

electron transport chain

light capture by chlorophyll

TRUE ANSWER : ?
YOUR ANSWER : ?

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

ribulose diphosphate

ribose tri phosphate

3-phosphoglyceric acid

ribulose phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

carbon dioxide

NADP+

chlorophyll b

chlorophyll a

TRUE ANSWER : ?
YOUR ANSWER : ?

The followings are the products of the light reactions of photosynthesis except

glucose

oxygen

ATP

NADPH

TRUE ANSWER : ?
YOUR ANSWER : ?

The cytochrome c oxidase complex

donates four electrons to O2

pumps protons out of the matrix space

all of these

accepts electrons from cyt c

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following is a product of both cyclic and noncyclic photophosphorylation?

Carbohydrate

NADPH

O2

ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

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