Photosynthesis Quiz

Why is sunlight important for plants?

• It keeps them warm.

• It is a source of vitamin D.

• It helps them to breathe.

• It is used to make food through photosynthesis.

What does the term 'photosynthesis' mean?

• Absorbing nutrients from the soil.

• Breathing in oxygen and releasing carbon dioxide.

• Using light to put things together.

• Using water to create energy.

What are the tiny openings in leaves called that help in gas exchange?

• Pigments

• Roots

• Stomata

• Chloroplasts

Which pigment is responsible for the green color in plants?

• Carotene

• Xanthophyll

• Chlorophyll

• Anthocyanin

Why are plants often referred to as the 'lungs of the world'?

• They take in carbon dioxide and release oxygen.

• They absorb oxygen.

• They filter water.

• They produce carbon dioxide.