Photosynthesis Quiz

What is the primary source of energy for plants to make their food?

• Air

• Soil

• Sunlight

• Water

What do plants need to produce sugars during photosynthesis?

• Carbon dioxide and oxygen

• Nitrogen and sunlight

• Carbon dioxide and water

• Oxygen and sunlight

What is the name of the sugar produced at the end of photosynthesis?

• Lactose

• Sucrose

• Glucose

• Fructose

How do plants contribute to the oxygen we breathe?

• By absorbing oxygen

• By storing oxygen in their roots

• By converting oxygen into carbon dioxide

• By releasing oxygen as a byproduct

What is the relationship between plants and animals in terms of gas exchange?

• Plants give animals nitrogen, and animals give plants oxygen

• Plants give animals carbon dioxide, and animals give plants oxygen

• Plants give animals oxygen, and animals give plants carbon dioxide

• Plants and animals both give each other oxygen