Understanding Photosynthesis: How Plants Make Their Food

What is the main energy source for plants in the process of photosynthesis?

• Water

• Sunlight

• Oxygen

• Carbon dioxide

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Fill in the blank: Photosynthesis is the process by which plants make their own food using sunlight, water, and _______.

• carbon dioxide

• oxygen

• nitrogen

• hydrogen

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What is released as a byproduct of photosynthesis?

• Glucose

• Water

• Oxygen

• Carbon dioxide

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The role of water in photosynthesis is to:

• provide oxygen

• absorb sunlight

• transport nutrients

• produce glucose

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Fill in the blank: Plants absorb water through their _______.

• roots

• leaves

• stems

• flowers

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Which of the following is NOT a component of photosynthesis?

• Sunlight

• Water

• Oxygen

• Carbon Dioxide

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Photosynthesis contributes to the balance of gases in the atmosphere by:

• releasing oxygen and absorbing carbon dioxide

• releasing carbon dioxide and absorbing oxygen

• releasing nitrogen and absorbing oxygen

• releasing methane and absorbing carbon dioxide

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Fill in the blank: The plant 'cooks' its food by combining these ingredients to create _______ (food) and oxygen (which goes into the air).

• glucose

• starch

• protein

• fiber

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Abigail, Maya, and James are studying photosynthesis. They learned that plants need water for photosynthesis. What is the role of water in this process?

• Water splits to provide electrons needed to make ATP during light reactions

• Water provides carbon needed to build a molecule of glucose.

• Water converts solar energy to chemical energy

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🌱Photosynthesis 🌱

Carbon dioxide ​ (a)   + Water ​ (b)   + ☼ ​ (c)   → Glucose ​ (d)   + Oxygen gas ​ (e)  

• (CO₂)
• (H₂O)
• (C₆H₁₂O₆)
• (O₂)
• Radiant energy
• Chemical energy

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