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ICSE Class 10 Biology Question 5 of 30

Solved Sample Paper 1 — Question 11

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11
Question

Question 1(xi)

The passage of white blood corpuscles through unruptured wall of blood vessels is known as

  1. diapedesis
  2. haemopoiesis
  3. phagocytosis
  4. cyclosis
Answer

diapedesis

Reason — During any injury or infection the WBCs pass through the wall of blood vessel to reach the site of infection to fight bacteria. This process is referred to as diapedesis.