Photosynthesis Quiz

What do all living things need to carry out their functions?

• Water

• Food

• Energy

• Sunlight

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What is the source of energy for autotrophs?

• Food from other organisms

• Sunlight

• Stored glucose

• Oxygen from plants

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What is photosynthesis?

• A process that converts sunlight into food

• A reaction that uses water to create proteins

• A way plants absorb oxygen from the air

• A method for animals to make food

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What is the sugar produced in photosynthesis?

• Starch

• Glucose

• Sucrose

• Fructose

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What are the two raw materials for photosynthesis?

• Water and glucose

• Carbon dioxide and water

• Sunlight and oxygen

• Hydrogen and starch

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What is the energy source used in photosynthesis?

• Heat from the sun

• Light from the sun

• Glucose molecules

• Chemical compounds

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What is one of the products of photosynthesis?

• Nitrogen gas

• Oxygen gas

• Carbon monoxide

• Methane gas

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What happens to glucose produced by plants?

• It is stored for later use

• It is immediately converted into oxygen

• It is lost in cellular respiration

• It is used only for growth

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What percentage of Earth’s oxygen comes from ocean plants?

• 50%

• 85%

• 25%

• 70%

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What do chloroplasts use to capture sunlight?

• Glucose molecules

• Chlorophyll

• Carbon dioxide

• Water molecules

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