NEET 2019 Biology question

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

(1)Natural killer cells
(2)Monocytes
(3)Macrophages
(4)Immunoglobulin ACorrect

Answer: (4)

Solution

Colostrum, the milk secreted during the first few days of lactation, is rich in antibodies, mainly IgA (immunoglobulin A). These maternal antibodies pass to the infant and give naturally acquired passive immunity, protecting the

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Question ID VK-092466