Photosynthesis, Cellular Respiration, and the Cycling of Carbon

In what cell organelle does photosynthesis occur?

• Mitochondrion

• Nucleus

• Chloroplast

• Ribosome

What are three reactants needed for photosynthesis?

• Glucose, O2, and energy

• CO2, H2O, and sunlight energy

• ATP, CO2, and NADH

• O2, glucose, and ATP

What are two products of photosynthesis?

• CO2 and H2O

• ATP and NADH

• O2 and glucose

• CO2 and ATP

In what cell organelle does cellular respiration occur?

• Nucleus

• Mitochondria

• Chloroplast

• Ribosome

What are two reactants needed for cellular respiration?

• Oxygen and glucose

• Carbon dioxide and water

• ATP and glucose

• Oxygen and ATP

What are three products of cellular respiration?

• Oxygen, glucose, and ATP

• Carbon dioxide, water, and ATP

• Carbon dioxide, glucose, and oxygen

• ATP, NADH, and pyruvate

What four substances are recycled during photosynthesis and respiration?

• Oxygen, carbon dioxide, water, and glucose

• Oxygen, ATP, NADH, and glucose

• Carbon dioxide, water, ATP, and NADH

• Glucose, water, NADH, and oxygen

What is the one component in photosynthesis that is not recycled and must be constantly available?

• Oxygen

• Carbon dioxide

• Water

• Light

Are chloroplasts found in most plant cells?

• Yes, because they are necessary for photosynthesis.

• No, because they are only found in animal cells.

• Yes, because they are necessary for cellular respiration.

• No, because they are replaced by mitochondria in most plant cells.

Are mitochondria found in most plant cells?

• Yes, because they are necessary for cellular respiration.

• No, because they are only found in animal cells.

• Yes, because they are required for photosynthesis

• No, because they are replaced by chloroplasts in most plant cells.