Question
Colostrum, secreted by mother during initial days of lactation, is abundant in __________.
NEET
Zoology
Human Health and Diseases
2026
NEET 2026 (Re-NEET)
NEET Zoology Question (2026) — Solution
Options
- A. IgD
- B. IgG
- C. IgM
- D. IgA
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
Related: Zoology — Human Health and Diseases · All PYQ Banks