What is the primary purpose of photosynthesis?

• To produce oxygen and organic compounds

• To consume oxygen and produce carbon dioxide

• To convert glucose into energy

• To absorb minerals from the soil

Where do the light-dependent reactions of photosynthesis occur?

• In the thylakoid membranes of chloroplasts

• In the stroma of the chloroplasts

• In the mitochondria

• In the cytoplasm

What is the main product of the Calvin cycle in photosynthesis?

• Glucose

• Oxygen

• ATP

• NADPH

Why is photosynthesis vital for the ecosystem?

• It provides energy for herbivores and carnivores

• It consumes carbon dioxide and releases nitrogen

• It only benefits plants

• It reduces the need for sunlight