Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains:
A.
Natural killer cells
B.
Monocytes
C.
Macrophages
D.
Immunoglobulin A
Answer :
Immunoglobulin A
Releted MCQ Question on Zoology >> Human Health and Diseases
Releted Question 1
The infectious stage of Plasmodium that enters the human body is