Home Biology Human Health and Disease Previous Year Questions The yellowish fluid "colostrum" secreted by …
Biology Human Health and Disease Previous Year Questions Single Correct MCQ
Published on: August 21, 2026

The yellowish fluid "colostrum" secreted by mammary glands of mother during the initial days of lactation has abundant antibodies (IgA) to protect the infant. This type of immunity is called as:

A
Active immunity
B
Acquired immunity
C
Autoimmunity
D
Passive immunity

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The yellowish fluid colostrum secreted by mother during the initial days of lactation has abundant antibodies ( ) to protect the infant. The foetus also receives some antibodies from their mother, through the placenta during pregnancy. These are some examples of passive immunity.

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