Which structure makes plant capable of producing their own food?

• A. Chloroplast

• B. Mitochondria

• C. Stomata

• D. Thylakoid

Which structure allows carbon dioxide to enter a plant system?

• A. Chloroplast

• B. Mitochondrion

• C. Stomata

• D. Thylakoid

Which pigment is responsible for the green color of plants?

• A. Carotene

• B. Chlorophyll

• C. Mesophyll

• D. Xanthophyll

What is the primary purpose of stomata in plant leaves in relation to photosynthesis?

• a) Absorb carbon dioxide

• b) Release oxygen

• c) Control water loss

• d) Produce glucose

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

• a) Carbon dioxide

• b) Oxygen

• c) Nitrogen

• d) Hydrogen

What are the two stages of photosynthesis in order?

• a) Calvin cycle and light-dependent reactions

• b) Light-dependent reactions and Calvin cycle

• c) Glycolysis and Krebs cycle

• d) Fermentation and electron transport chain

Which environmental factor directly affects the rate of photosynthesis in plants?

• a) Gravity

• b) Temperature

• c) Magnetic field

• d) Noise level

Which part of the plant typically contains the most chloroplasts?

• a) Roots

• b) Stems

• c) Leaves

• d) Flowers

In photosynthesis, what is the role of water?

• a) Provide carbon for glucose production

• b) Serve as a source of oxygen

• c) Capture light energy

• d) Regulate temperature

What is the ultimate source of energy that drives photosynthesis?

• a) Fossil fuels

• b) Sunlight

• c) Geothermal heat

• d) Wind