Antibodies present in colostrum which protect the new born from certain diseases is of

Options

A. lgG type
B. lgA type
C. lgD type
D. lgE type

Answer

B

Explanation

The yellowish fluidcolostrum is secreted by mother during the initial days of lactation has abundant antibodies (lgA) to protect the infant from several diseases.
lgG immunoglobulin (antibody) is most abundant (appro .80%) antibody in human and found in serum lgA is second abundant (approx .10-15%) antibody. It is found in saliva and tear also. lgD and lgE constitute 2-3% of total antibodies which are found in most cells and serum.