Photosynthesis Quiz

What is the role of photosystems in photosynthesis?

• To absorb water

• To generate and emit excited electrons

• To produce glucose

• To break down chlorophyll

What is the function of thylakoids in chloroplasts?

• Site of light-independent reactions

• Storage of glucose

• Site of light-dependent reactions

• Production of oxygen

Which enzyme is responsible for carbon fixation in photosynthesis?

• ATP synthase

• Rubisco

• NADP reductase

• Cytochrome c

What is the stroma in a chloroplast?

• The site of light-dependent reactions

• The location of light-independent reactions

• The outer membrane of the chloroplast

• The pigment that absorbs light

What evidence supports the endosymbiotic origin of chloroplasts?

• Presence of chlorophyll

• Circular DNA and 70S ribosomes

• Double membrane structure

• Ability to perform photosynthesis

What is the main function of photosystems in photosynthetic organisms?

• To absorb water

• To release oxygen

• To maximize light absorption

• To produce glucose

Where are photosystems located within the chloroplast?

• Stroma

• Thylakoid membrane

• Outer membrane

• Cytoplasm

What is the role of ATP synthase in the light dependent reactions?

• To split water molecules

• To catalyze ATP synthesis

• To absorb light energy

• To transport electrons

What is produced during the light dependent reactions and transferred to the light independent stage?

• Glucose and oxygen

• ATP and NADPH

• Carbon dioxide and water

• Oxygen and glucose

What is the by-product of Photosystem II during the light dependent reactions?

• Glucose

• Carbon dioxide

• Oxygen

• ATP