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Zoology - Environmental Issues 2 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Biology

Time : 00:30:00 Hrs
Total Marks : 6

    2 Marks

    3 x 2 = 6
  1. Expand
    (i) CFC
    (ii) AQI
    (iii) PAN

  2. What effect can fertilizer runoff have on an aquatic ecosystem?

  3. How does recycling help reduce pollution?

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