What to create	Quiz
Which subject	Science
What age group	Year or Grade 7
What topic	Carbon cycle
Question types	Mixed
Number of questions	10
Number of answers	4
Correct answers	Exactly 1
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Carbon Cycle Quiz for Grade 7 Science

Welcome to the quiz on the Carbon Cycle! This quiz will test your understanding of how carbon moves through our environment. Read each question carefully and choose the best answer if options are provided.

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Questions

1. What is the main process by which plants absorb carbon dioxide from the atmosphere?

2. Which of the following is NOT a component of the carbon cycle?
   A. Photosynthesis
   B. Respiration
   C. Evaporation
   D. Decomposition

3. What role do oceans play in the carbon cycle?

4. How does carbon return to the atmosphere when animals breathe?
   A. By consuming food
   B. By undergoing photosynthesis
   C. Through respiration
   D. By absorbing sunlight

5. What is one way that carbon dioxide is removed from the atmosphere?
   A. Plant respiration
   B. Photosynthesis
   C. Combustion of fossil fuels
   D. Volcanic eruptions

6. Which process releases carbon dioxide into the atmosphere?
   A. Photosynthesis
   B. Combustion
   C. Nitrogen fixation
   D. Evaporation

7. What is the term for the storage of carbon in soil and sediments?

8. Which gas is a significant greenhouse gas that is part of the carbon cycle?
   A. Oxygen
   B. Carbon Dioxide
   C. Nitrogen
   D. Hydrogen

9. What human activity significantly increases the amount of carbon in the atmosphere?
   A. Planting trees
   B. Deforestation
   C. Recycling
   D. Conserving water

10. Explain why the carbon cycle is important for life on Earth.

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Instructions

• Answer each question to the best of your ability.
• For questions with multiple choices, select the answer you believe is correct.
• For open-ended questions, provide a brief explanation or response.

Good luck!