NEET Previous Year Question

The cell-mediated immunity inside the human body is carried out by :

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

  1. AErythrocytes
  2. BT-lymphocytes
  3. CB-lymphocytes
  4. DThrombocytes

Correct answer: B

Solution

(b) Cell-mediated immunity (CMI) is mainly carried out by T-lymphocytes (T-cells).
T-lymphocytes directly attack infected or abnormal cells (like virus-infected cells, cancer cells).
This is different from B-lymphocytes, which are responsible for antibody-mediated (humoral) immunity.

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