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NEET2026ZoologyHuman Health and DiseasesActual

Colostrum, secreted by mother during initial days of lactation, is abundant in __________.

Options

  1. AIgD
  2. BIgG
  3. CIgM
  4. DIgA

Correct answer

D. IgA

Step-by-step solution

Colostrum is the yellowish fluid secreted by the mother during the initial days of lactation. It contains abundant IgA antibodies to protect the infant from infections. This provides naturally acquired passive immunity to the newborn. Answer: IgA

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