Photosynthesis Quiz

What is the main purpose of photosynthesis?

• To convert light energy into chemical energy

• To produce oxygen for animals

• To create chlorophyll in plants

• To absorb carbon dioxide from the atmosphere

Where does photosynthesis primarily occur in a plant?

• In the stem

• In the mitochondria

• In the chloroplasts

• In the roots

Which pigment is essential for photosynthesis?

• Xanthophyll

• Anthocyanin

• Carotene

• Chlorophyll

What are the products of photosynthesis?

• Carbon dioxide and water

• Glucose and oxygen

• Oxygen and nitrogen

• Glucose and carbon dioxide

Which of the following is NOT needed for photosynthesis?

• Carbon dioxide

• Light

• Water

• Oxygen

What is the role of chlorophyll in photosynthesis?

• To release oxygen

• To produce glucose

• To absorb light energy

• To absorb water

What is the word equation for photosynthesis?

• Water + carbon dioxide → oxygen + glucose

• Oxygen + glucose → water + carbon dioxide

• Carbon dioxide + water → glucose + oxygen

• Glucose + oxygen → carbon dioxide + water

Why is photosynthesis important for the ecosystem?

• It produces fossil fuels directly

• It decreases the amount of sunlight reaching the Earth

• It provides oxygen and food for other organisms

• It increases the amount of nitrogen in the atmosphere

What happens to the glucose produced in photosynthesis?

• It is stored as starch

• It is released into the atmosphere

• It is immediately used up

• It is converted into oxygen

Which of the following organisms can perform photosynthesis?

• Animals

• Fungi

• Bacteria

• Algae