AP Bio Unit 3 Quiz: Ch 9 & 10 Review

Which structure in the chloroplast is the site of the light-dependent reactions?

• Stroma

• Thylakoid membrane

• Inner membrane

• Outer membrane

How does carbon dioxide enter a plant?

• Through stomata

• Through the roots

• Through the xylem

• Through the phloem

Tags

NGSS.MS-LS1-6

What is the primary role of the Calvin cycle in photosynthesis?

• Generate oxygen

• Produce ATP

• Fix carbon into organic molecules

• Split water molecules

Tags

NGSS.HS-LS2-5

What molecule acts as the primary electron donor in photosystem II?

• Chlorophyll b

• NADPH

• Water

• ATP

Which of the following best explains why green plants appear green?

• They absorb green wavelengths.

• They reflect green wavelengths.

• They absorb all wavelengths equally.

• They emit green light.

What is the role of rubisco in the Calvin cycle?

• Generate ATP

• Capture carbon dioxide

• Split water molecules

• Release oxygen

Which of the following adaptations allows C4 plants to minimize photorespiration?

• Closing stomata during the day

• Spatially separating carbon fixation from the Calvin cycle

• Storing CO2 in the form of pyruvate

• Using more chlorophyll b than chlorophyll a

Which of the following wavelengths of light is least effective for photosynthesis?

• Red

• Blue

• Green

• Violet

Tags

NGSS.HS-LS1-5

Which of the following is a consequence of cyclic electron flow in the light reactions?

• Increased ATP production

• Increased NADPH production

• Increased oxygen release

• Increased water splitting

What happens during photolysis in photosystem II?

• NADPH is oxidized.

• Oxygen is released as a byproduct

• ATP is produced via chemiosmosis.

• Glucose is synthesized.

Tags

NGSS.HS-LS1-5