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  9. Q88

BPSC (Bihar PCS) 2025 · Question 88 of 145

Which class of immunoglobulin is the first to be produced in response to an infection?

Miscellaneous

  1. AIgA
  2. BIgG
  3. CIgMCorrect
  4. DIgE

Answer: C. IgM

Explanation

IgM is the first class of immunoglobulin produced during the initial immune response to an infection. It is typically found in the bloodstream and acts as a first line of defense against pathogens.

Source: 71st BPSC CCE Prelims 2025 (Set H)

← Q87View full paper (145 questions)Q89 →

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