PHOTOSYNTHESIS AND RESPIRATION QUIZ

Carbon dioxide is reduced in

both light and dark reactions

the Calvin cycle

the light reactions

noncyclic photophosphorylation

TRUE ANSWER : ?
YOUR ANSWER : ?

Oxidative phosphorylation is to respiration as __________ is to photosynthesis

light capture by chlorophyll

carbon fixation

reduction of NADPH

electron transport chain

TRUE ANSWER : ?
YOUR ANSWER : ?

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

They are part of the reactions of lactic acid fermentation

They are all elements of oxidative phosphorylation

They are all components or products of the citric acid cycle

They are part of the dark reactions of photosynthesis

TRUE ANSWER : ?
YOUR ANSWER : ?

In oxygenic photosynthesis, the electron donor is

NADPH

oxygen

water

NADH

TRUE ANSWER : ?
YOUR ANSWER : ?

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

chlorophyll b

NADP+

carbon dioxide

chlorophyll a

TRUE ANSWER : ?
YOUR ANSWER : ?

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

O2

CO2

Sunlight

ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

The vast majority of the molecules that act as energy carriers to power cellular activities are made in

the mitochondria and chloroplasts

the nucleus

the cytosol

the Golgi apparatus

TRUE ANSWER : ?
YOUR ANSWER : ?

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 carbohydrate produced

In the NADPH

TRUE ANSWER : ?
YOUR ANSWER : ?

Electron transport systems play a vital role in

light-dependent reactions

Calvin cycle

photorespiration

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

electrons needed to reduce NADH

electrons needed to reduce P680

electrons needed for cyclic photophosphorylation

O2 needed for the dark reactions

TRUE ANSWER : ?
YOUR ANSWER : ?