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ICSE Class 10 Biology Question 8 of 30

Solved Sample Paper 1 — Question 15

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15
Question

Question 1(xv)

Harish was crossing the road when he suddenly slipped on a banana peel and fell on the road. After some time the inflamed region developed redness, swelling, pain with increased local heat.

Which of the following is/are involved in the process mentioned above?

(a) Leucocytes
(b) Erythrocytes
(c) Plasma
(d) Lymph

  1. Only a
  2. Only a and c
  3. Only a, c and d
  4. Only a, b and c
Answer

Only a

Reason — Inflammation occurs due to the reaction of tissues to injury and to localized invasion of germs. Here the leucocytes migrate through the walls of the blood vessels through diapedesis and fight against the disease causing germs.