Photosynthesis and Cellular Respiration

What kind of energy is NEEDED for photosynthesis?

• The sun's energy
• Food energy
• Electrical energy
• Sugar energy

Plant cells use sunlight to make their own food through __________.

• cellular respiration
• eating
• photosynthesis
• conservation of mass

Where does photosynthesis take place?

• Humans
• Cats
• Mitochondria
• Chloroplasts

What gas does the mitochondrion NEED in order to release energy?

• Oxygen gas
• Carbon dioxide gas
• Helium gas

How do most complex organisms get their energy?

• Cellular respiration
• Eating
• Sleeping
• Photosynthesis

What do plant and animal cells need in order to make energy?

• glucose and carbon dioxide
• Carbon dioxide and water
• Water and glucose
• Glucose and oxygen

What happens during the process of photosynthesis?

• Plants absorb energy from the sun and change into food (energy).

• Plants absorb energy from the sun and change into carbon dioxide.

• Plants absorb energy from the sun and change into water.

Photosynthesis is important because it makes _____________.

• energy for you
• food for you
• carbon dioxide for you
• new cells for you

Plants need _______ and _______ to make food.

• Glucose, carbon dioxide
• Carbon dioxide, water
• Water, glucose
• Oxygen gas, water

What gas do the mitochondria need in order to release energy?

• carbon dioxide gas

• Oxygen gas

• helium gas