Photosynthesis - KS3

What three things do plants need for the process of photosynthesis?

• Sunlight,oxygen and sugar

• Water, soil, and oxygen

• Sunlight, carbon dioxide, oxygen, and water

• Sunlight, soil, water

If plants breathe in carbon dioxide, what do they breathe out?

• Nitrogen
• Oxygen
• Carbon Monoxide
• Hydrogen

What is the compound that plants use to absorb the energy from light?

• Chlorophyll
• H2O
• Nitrogen
• Nick Hourin

What color is chlorophyll?

• Red
• Blue
• Green
• Yellow

What are the structures inside plant cells that contain chlorophyll called?

• Nucleus
• Ribosomes
• Chloroplasts

True or False: Photosynthesis is responsible for the world's oxygen supply which is needed for animals to survive.

• True
• False

Photosynthesis occurs in plant cell organelles called

• mitochondria.
• ribosomes.
• chloroplasts.
• none of these.

The reactants for photosynthesis are

• carbon dioxide and glucose.
• carbon dioxide and water.
• oxygen and carbon dioxide.
• oxygen and glucose.

The process of converting sunlight energy into chemical energy stored in a molecule is called

• Cellular respiration
• Photosynthesis
• Mitochondria
• Carbon dioxide

One of the materials needed for photosynthesis is

• Oxygen
• Glucose
• Carbon dioxide
• Mitochondria