Colostrum, the yellowish fluid, secreted by mother during the Inittlal days of lactation is very essentlal to impart immunity to the newbom infants because it contains

  • [NEET 2019]
  • A

    Natural killer cells

  • B

    Monocytes

  • C

    Macrophages

  • D

    Immunoglobulin $A$

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Where are $B\,-$ cells and $T\,-$ cells formed ? How do they differ from each other ?

Select the incorrect statement with respect to acquired immunity.

  • [NEET 2022]

Which of the following immune responses is responsible for rejection of kidney graft?

  • [NEET 2019]

Which is incorrect pair on basis of its role in immune system?

Definitions / Explanation : Innate immunity & Acquired immunity