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ICSE Class 10 Biology Question 3 of 10

Pollution — A Rising Environmental Problem — Question 10

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Question

Question 10

Which of the following is a radioactive pollutant ?

  1. Iodine-131
  2. Iodine-113
  3. Iodine-313
  4. Cobalt-16
Answer

Iodine-131

Reason — Iodine-131 is radioactive pollutant which can cause thyroid cancer.