Photosynthesis Mastery Quiz

What is the primary function of the chloroplast in photosynthesis?

• To absorb water

• To produce glucose

• To capture light energy

• To release oxygen

In which part of the chloroplast do light-dependent reactions occur?

• Stroma

• Thylakoid membrane

• Outer membrane

• Granum

What is the main product of the Calvin cycle?

• Oxygen

• ATP

• Glucose

• NADPH

Which of the following is the correct equation for photosynthesis?

Why is photosynthesis important for the carbon cycle?

• It releases carbon dioxide into the atmosphere

• It uses up atmospheric nitrogen

• It converts carbon dioxide into organic molecules

• It increases the oxygen levels in the ocean

What molecule acts as the primary energy carrier in the light-dependent reactions?

• Glucose

• Chlorophyll

• ATP

• Carbon dioxide

Which gas is a byproduct of the light-dependent reactions of photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

What role does NADPH play in photosynthesis?

• It acts as a primary energy carrier

• It is a waste product

• It provides high-energy electrons needed in the Calvin cycle

• It captures light energy

How many molecules of carbon dioxide are fixed in one turn of the Calvin cycle?

• 1

• 2

• 3

• 6

What is the significance of the enzyme Rubisco in photosynthesis?

• It captures light energy

• It splits water molecules

• It fixes carbon dioxide into an organic molecule

• It generates ATP