Light dependant reaction

Which of the following is NOT a product of the light-dependent reactions of photosynthesis?

• Oxygen

• Carbon dioxide

• NADPH

• ATP

Which pigment is primarily responsible for absorbing light energy in Photosystem II (PSII)?

• Chlorophyll a

• Chlorophyll b

• Carotenoids

• Phycobillins

What is the primary function of Photosystem II (PSII) in photosynthesis?

• Oxidation of water and release of oxygen

• Production of ATP

• Production of NADPH

During the light-dependent reactions, what molecule is split to release oxygen?

• H2O

• CO2

• O2

• NO2

During the light-dependent reactions, what molecule is ultimately reduced to form NADPH?

• NADP+

• NAD+

• FADH2

Which complex in the thylakoid membrane transfers electrons from plastoquinone to plastocyanin?

• Cytochrome b6f

• ATP synthase

• Photosystem I (PSI)

• Ferredoxin-NADP+ reductase

What is the role of the proton gradient established during the light-dependent reactions?

• To synthesize glucose

• To produce water

• To reduce NADP+

• To drive ATP synthesis

What is the role of ATP synthase in the light-dependent reactions?

• To oxidize water

• To transfer electrons from Photosystem II (PSII) to Photosystem I (PSI)

• To synthesize ATP from ADP and inorganic phosphate

• To reduce NADP+ to NADPH