HL photosynthesis

What is the process of photoactivation of the reaction center chlorophyll in Photosystem II?

• The reaction center chlorophyll is reduced and the plastoquinone (Pq) is oxidized
• The reaction center chlorophyll is dephosphorylated and the plastoquinone (Pq) is phosphorylated
• The reaction center chlorophyll is phosphorylated and the plastoquinone (Pq) is dephosphorylated
• The reaction center chlorophyll is oxidized and the plastoquinone (Pq) is reduced

Where do light-independent reactions take place in photosynthesis?

• Stroma
• Intermembrane space of the thylakoids
• Nucleus
• Cytoplasm

What is the process called that uses the passage of H+ ions to catalyze the synthesis of ATP?

• Chemiosmosis
• Photosynthesis
• Calvin Cycle
• Photophosphorylation

What is the function of rubisco in photosynthesis?

• To synthesise ATP
• To reduce NADP+
• To carboxylate RuBP
• To regenerate triose phosphate

What is the function of the electron transport chain in the light dependent reactions?

• To carboxylate RuBP
• To synthesise ATP
• To reduce NADP+
• To regenerate triose phosphate

What is the function of ATP synthase in thylakoids?

• To generate ATP using the proton gradient
• To generate O2 using the proton gradient
• To generate CO2 using the proton gradient
• To generate NADPH using the proton gradient

Where do the light-dependent reactions of photosynthesis take place?

• In the intermembrane space of the thylakoids
• In the stroma
• In the cytoplasm
• In the thylakoid lumen

What is the purpose of the light-dependent reactions in photosynthesis?

• Convert chemical energy into light energy
• Convert ATP and NADH into chemical energy
• Convert ATP and NADH into light energy
• Convert light energy into chemical energy in the form of ATP and NADH

What is the enzyme that catalyzes the carboxylation of RuBP?

• ATP synthase
• Rubisco
• NADPH reductase
• Photosystem II

What is the result of the electron transport chain in the light-dependent reactions?

• A high concentration of protons in the thylakoid lumen
• A high concentration of protons in the cytoplasm
• A high concentration of protons in the stroma
• A high concentration of protons in the intermembrane space of the thylakoids