Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains:
A
Immunoglobulin A
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B
Natural killer cells
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C
Monocytes
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D
Macrophages
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Solution
The correct option is A Immunoglobulin A The yellowish milk produced by the new mother during the initial few days of lactation is called colostrum. It which contains immunoglobin A which is essential to the new born baby to develop resistance to various antigens.