Photosynthesis Quiz

What is the primary function of photosynthesis?

• Convert chemical energy into light energy

• Convert light energy into chemical energy

• Release carbon dioxide into the atmosphere

• Absorb oxygen from the atmosphere

Which gas is taken from the atmosphere during photosynthesis?

• Oxygen (O₂)

• Nitrogen (N₂)

• Carbon dioxide (CO₂)

• Hydrogen (H₂)

What is the function of the Electron Transport Chain (ETC) in photosynthesis?

• Absorb sunlight

• Split water molecules

• Store glucose

• Release carbon dioxide

What is the role of Photosystem I in photosynthesis?

• Absorb carbon dioxide

• Energize electrons

• Release oxygen

• Store glucose

Which molecule is reduced in Photosystem I?

• NADP⁺

• ATP

• Glucose

• Oxygen

What is the main energy currency of the cell produced during photosynthesis?

• Glucose

• ATP

• NADPH

• Oxygen

Which pigment is primarily responsible for absorbing sunlight?

• Carotenoids

• Chlorophyll

• Xanthophylls

• Anthocyanins

What is the role of specialized proteins in the photosystems?

• Store glucose

• Transfer energy

• Release oxygen

• Absorb water

What is the primary function of Photosystem II in the light-dependent reactions?

• To produce glucose

• To absorb carbon dioxide

• To split water molecules and release oxygen

• To fix nitrogen

What is the function of RuBisCO in the carbon fixation process?

• It splits water molecules

• It absorbs sunlight

• It catalyzes the attachment of CO₂ to RuBP

• It transports electrons