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ICSE Class 10 Biology Question 30 of 30

Solved 2024 Specimen Paper ICSE Class 10 Biology — Question 30

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Question 8(v)

Given below is the diagram of human blood smear. Answer the questions that follow:

Mention one structural difference between 1 and 2. What is the function of part 3? ICSE Biology 2024 Specimen Paper Solved.

(a) Mention one structural difference between 1 and 2.

(b) What is the function of part 3?

(c) Name the part labelled 4.

Answer

(a) The parts labelled 1 and 2 are:

  • 1 → Red Blood Cell (RBC)
  • 2 → White Blood Cell (WBC)

One structural difference between red blood cells and white blood cells is:

Red Blood CellsWhite Blood Cells
Red blood cells are minute biconcave disc-like structures.White blood cells are amoeboid and can produce pseudopodia with which they can squeeze through the walls of the capillaries into the tissues.

(b) Part 3 is blood platelet. Its main function is to initiate blood clotting.

(c) Part 4 is blood plasma.