Exploring the Process of Photosynthesis

The video explains photosynthesis, a process by which plants make their own food using sunlight, water, and carbon dioxide. It details how chlorophyll in chloroplasts absorbs sunlight, enabling plants to convert carbon dioxide and water into glucose and oxygen. The video highlights the importance of photosynthesis in producing oxygen and sustaining life on Earth, emphasizing the role of ocean plants like phytoplankton. It concludes by noting that animals rely on plants for food, as they cannot produce their own energy from sunlight.

What does the word 'photo' in photosynthesis mean?

• Air

• Green

• Light

• Water

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What is the process called where plants make their own food?

• Photosynthesis

• Fermentation

• Respiration

• Digestion

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Which of the following is NOT a requirement for photosynthesis?

• Oxygen

• Carbon Dioxide

• Sunlight

• Water

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Where in the plant does photosynthesis primarily occur?

• Flowers

• Roots

• Stem

• Leaves

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What is the role of chlorophyll in photosynthesis?

• Releases oxygen

• Produces carbon dioxide

• Absorbs sunlight

• Absorbs water

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What gas do plants take in for photosynthesis?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon Dioxide

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What is produced by plants during photosynthesis besides glucose?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

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What percentage of the Earth's oxygen is produced by ocean plants?

• About 70%

• About 90%

• About 50%

• About 30%

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Why is photosynthesis important for humans and animals?

• It produces water

• It produces sunlight

• It produces oxygen and food

• It produces carbon dioxide

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Which organisms cannot perform photosynthesis?

• Plants

• Animals

• Phytoplankton

• Trees

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