Photosynthesis

Photosynthesis Quiz

IB MYP Sciences: Quiz

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5 questions, one answer each

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  1. 1. Which gas is released by photosynthesis?

    • A. Carbon dioxide
    • B. Oxygen
    • C. Nitrogen
    • D. Hydrogen

  2. 2. Which of these is NOT needed for photosynthesis?

    • A. Water
    • B. Carbon dioxide
    • C. Light
    • D. Oxygen

  3. 3. What does iodine solution turn when added to a leaf containing starch?

    • A. Blue-black
    • B. Red
    • C. Colourless
    • D. Green

  4. 4. A plant uses glucose to make cell walls. Which substance does it make?

    • A. Starch
    • B. Protein
    • C. Cellulose
    • D. Chlorophyll

  5. 5. In the balanced equation 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂, how many oxygen atoms are on the left side?

    • A. 12
    • B. 18
    • C. 6
    • D. 24

Quiz