Exploring the Light Reactions of Photosynthesis

What is produced from ADP and Pi during photosynthesis?

• NADPH

• ATP

• Oxygen

• Glucose

Which complex is NOT part of the photosynthesis electron transport chain?

• Cytochrome c

• Photosystem I

• Cytochrome b6f

• Photosystem II

Where does photosynthesis occur in plants and algae?

• Cytoplasm

• Nucleus

• Chloroplasts

• Mitochondria

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the role of plastoquinone QB in the electron transport chain?

• Split water molecules

• Transfer electrons to Photosystem I

• Pump hydrogen ions into the lumen

• Pick up electrons and protons from the stroma

What happens to the electrons lost from Photosystem II?

• They are replaced by electrons from Photosystem I

• They are replaced by electrons from water molecules

• They are replaced by electrons from ATP

• They are replaced by electrons from NADPH

Which mobile carrier transfers electrons to Photosystem I?

• Plastoquinone QB

• NADP reductase

• Plastocyanin

• Ferredoxin

What is the function of cytochrome b6f in the electron transport chain?

• Split water molecules

• Pump hydrogen ions into the lumen

• Transfer electrons to plastoquinone QB

• Transfer electrons to ferredoxin

What is produced when two electrons and a hydrogen ion are added to NADP?

• NADPH

• Water

• ATP

• Oxygen

Which complex is responsible for synthesizing ATP from ADP and Pi?

• Cytochrome b6f

• NADP reductase

• ATP synthase

• Photosystem II

What are the final vital products of photosynthesis?

• ATP, NADPH, and molecular oxygen

• Glucose, ATP, and oxygen

• ATP, NADH, and carbon dioxide

• Glucose, NADPH, and water

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5