Photosynthesis Quiz

What is produced as a by-product of the light-dependent reactions?

• Carbon Dioxide

• Glucose

• NADPH

• Oxygen

Where do the light-dependent reactions occur?

• In the stroma

• In the cytoplasm

• In the thylakoids

• In the nucleus

What do photosystems absorb to generate high-energy electrons?

• Sunlight

• Carbon Dioxide

• ATP

• Water

What is the role of ATP synthase in photosynthesis?

• To split water molecules

• To produce ATP

• To transport electrons

• To absorb sunlight

What happens to water molecules during the light-dependent reactions?

• They are absorbed

• They are split

• They are produced

• They are converted to glucose

What molecules are used in light-independent reactions to produce high-energy sugars from carbon dioxide?

• ATP and NADPH

• Chlorophyll and carotenoids

• Glucose and oxygen

• Water and sunlight

What supplies the electron that is lost in PS II?

• oxygen
• water
• glucose
• rubisco

In which compartment of the plant cell do the light-independent reactions of photosynthesis take place?

• thylakoid
• stroma
• outer membrane
• mesophyll

In which photosystem does the electron transport begin?

• 1
• 2
• 3
• 4

This light energy hits photosystem 2, causes a water molecule to split – releasing what?

• neutron, hydrogen ion, oxygen
• oxygen, carbon dioxide, hydrogen
• electron, neutron, proton
• electron, hydrogen ion, oxygen