Photosynthesis Quiz

Why is sunlight important for plants?

• It is a source of vitamin D.

• It is used to make their food.

• It keeps them warm.

• It helps them grow taller.

What does the Greek word 'photo' mean?

• Plant

• Water

• Food

• Light

Through which part do plants take in carbon dioxide?

• Branches

• Stomata

• Roots

• Flowers

What is the role of chloroplasts in photosynthesis?

• They absorb water from the soil.

• They convert sunlight, water, and carbon dioxide into sugar and oxygen.

• They transport nutrients throughout the plant.

• They protect the plant from pests.

Why are plants often called the 'lungs of the world'?

• They produce carbon dioxide.

• They take in oxygen and give out carbon dioxide.

• They take in carbon dioxide and give out oxygen.

• They filter pollutants from the air.