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Science

7th

grade

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Photosynthesis and Cellular Respiration

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20 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt
    What do plants give off after photosynthesis?
    Oxygen
    carbon
    nitrogen
    hydrogen
  • 2. Multiple Choice
    45 seconds
    1 pt
    Plants need ________from the air for photosynthesis
    oxygen
    soil
    carbon dioxide
    sugar
  • 3. Multiple Choice
    45 seconds
    1 pt
    The products of photosynthesis are
    water and carbon dioxide
    oxygen and water
    sugar and cabon dioxide
    oxygen and sugar (glucose)
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