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ICSE Class 9 Biology Question 5 of 11

Aids to Health — Question 9

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9
Question

Question 1(ix)

Which of the following is not a germ-killing secretion?

  1. Blood
  2. Saliva
  3. Tears
  4. Sweat
Answer

Blood

Reason — Saliva, Tears and Sweat are germ-killing secretion.