10 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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5.10 The carbon cycle
Exam question
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Describe how carbon is cycled in an ecosystem.
(4)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 4 marks
5.10 The carbon cycle
Exam question
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Which process removes carbon dioxide from the air?
(1)Total for this question: 1 mark
5.10 The carbon cycle
Exam question
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Explain the role of decomposers in the carbon cycle.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.10 The carbon cycle
Exam question
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Explain how fossil fuels were formed from carbon in living organisms.
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Total for this question: 2 marks
5.10 The carbon cycle
Exam question
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State two processes that release carbon dioxide into the atmosphere.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.10 The carbon cycle
Exam question
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Explain why cutting down forests increases carbon dioxide in the air.
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Total for this question: 2 marks
5.10 The carbon cycle
Exam question
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Identify the form in which carbon is stored in plants.
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Total for this question: 1 mark
5.10 The carbon cycle
Exam question
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Suggest why carbon dioxide concentration in a forest is lower in the day than at night.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.10 The carbon cycle
Exam question
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Explain how carbon in a rabbit can become part of a fox.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.10 The carbon cycle
Exam question
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Describe how carbon returns to the air from a dead leaf.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
