9700 Photosynthesis 1

Where does the light-dependent reaction of photosynthesis occur?

• Thylakoid membrane

• Stroma

• Outer chloroplast membrane

• Cytoplasm

What is the primary pigment involved in photosynthesis?

• Chlorophyll

• Carotene

• Anthocyanin

• Xanthophyll

What is the main purpose of the light-dependent reactions?

• Produce ATP and NADPH

• Fix carbon dioxide

• Generate glucose

• Store energy as starch

Which molecule acts as the electron donor in photosynthesis?

• Water

• Carbon dioxide

• Oxygen

• NADPH

What is the role of ATP synthase in photosynthesis?

• Synthesize ATP from ADP and Pi

• Split water into oxygen and protons

• Transfer electrons

• Fix carbon dioxide

What is the waste product of the light-dependent reaction?

• Oxygen

• Carbon dioxide

• Glucose

• Water

Where does the Calvin cycle occur?

• Stroma

• Thylakoid membrane

• Cytoplasm

• Outer chloroplast membrane

What is the first stable product of carbon fixation in the Calvin cycle?

• 3-phosphoglycerate (3-PGA)

• Ribulose-1,5-bisphosphate (RuBP)

• Glucose

• Oxaloacetate

What enzyme catalyzes the fixation of CO2 in the Calvin cycle?

• Rubisco

• ATP synthase

• NADP reductase

• PEP carboxylase

Which molecule provides energy for the Calvin cycle?

• ATP

• Glucose

• Oxygen

• FADH2