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UPSC PYQPrelims 2022

Civil Services Examination · Question 97

Which one of the following statements best describes the role of B cells and T cells in the human body?

  1. They protect the body from environmental allergens.
  2. They alleviate the body's pain and inflammation.
  3. They act as immunosuppressants in the body.
  4. They protect the body from the diseases caused by pathogens.
Show answer & explanation

Answer: (D) They protect the body from the diseases caused by pathogens.

Explanation

B and T lymphocytes drive adaptive immunity (antibodies and cell-mediated) against pathogens.