Biology

10th

grade

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IGCSE Carbon Cycle & Greenhouse Effect

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7 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which process(es) release carbon dioxide into the atmosphere?

    respiration

    combustion

    photosynthesis

    feeding

  • 2. Multiple Choice
    30 seconds
    1 pt

    Which process(es) take carbon dioxide out of the atmosphere?

    respiration

    combustion

    photosynthesis

    feeding

  • 3. Multiple Choice
    30 seconds
    1 pt

    What type of organism receives carbon present in dead plants and animals?

    producer

    primary consumer

    secondary consumer

    decomposer

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