BioInteractive Light Reactions of Photosynthesis

Question 1

Where do the light reactions of photosynthesis take place?

Accepted Answer

Thylakoid membranes

Answer

Stroma

Answer

Cytoplasm

Answer

Mitochondria

Question 2

Which molecule captures light energy during the light reactions?

Accepted Answer

Chlorophyll

Answer

ATP

Answer

NADPH

Answer

RuBisCO

Question 3

What are the two main products of the light reactions used in the Calvin cycle?

Accepted Answer

ATP and NADPH

Answer

CO2 and H2O

Answer

Glucose and O2

Answer

ADP and NADP+

Question 4

What is the source of electrons that replace those lost by Photosystem II?

Accepted Answer

Water

Answer

NADPH

Answer

CO2

Answer

Glucose

Question 5

What is the oxygen released during photosynthesis derived from?

Accepted Answer

Water

Answer

Carbon dioxide

Answer

Glucose

Answer

ATP

Question 6

Which photosystem absorbs light at 700 nm and is involved in producing NADPH?

Accepted Answer

Photosystem I

Answer

Photosystem II

Answer

Both equally

Answer

Neither