Q. Colostrum, secreted by mother during initial days of lactation, is abundant in ____.
A) IgD
B) IgG
C) IgM
D) IgA
Explanation
[Solution from source] Colostrum is rich in IgA antibodies that give the newborn passive immunity. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.