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BiologyGrade 7en

🌱 Photosynthesis and the Carbon Cycle

This quiz explores how plants convert light energy into chemical energy and how carbon moves between the atmosphere, living organisms, and soil. **What you'll learn:** Understanding the role of chlorophyll and sunlight in photosynthesis, identifying reactants and products in the photosynthesis equation, tracing carbon through ecosystems, recognizing how photosynthesis and respiration form a cycle.

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Questions in this quiz

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  1. Question 1

    Which organelle in plant cells is responsible for photosynthesis?

  2. Question 2

    Plants require sunlight, water, and carbon dioxide to perform photosynthesis.

  3. Question 3

    The main products of photosynthesis are ___ and ___.

  4. Question 4

    What is the primary source of energy for photosynthesis?

  5. Question 5

    All living organisms, including plants, release carbon dioxide through cellular respiration.

  6. Question 6

    In the carbon cycle, how does carbon dioxide return to the atmosphere after plants absorb it?

  7. Question 7

    The green pigment in chloroplasts that absorbs light energy is called ___.

  8. Question 8

    Photosynthesis and cellular respiration are opposite processes that balance each other in the carbon cycle.

  9. Question 9

    Arrange these steps of photosynthesis and the carbon cycle in the correct order.

  10. Question 10

    Why is photosynthesis essential for most life on Earth?