Select the correct pair
Column $- I$ | Column $- II$ |
$(A)$ Physiological barrier | $(1)$ Skin |
$(B)$ Cellular barrier | $(2)$ Macrophages |
$(C)$ Physical barriers | $(3)$ interferons |
$(D)$ Cytokine barriers | $(4)$ Tears |
$(5)$ Mucus |
$a-1,5, b-2, 6-2, c-3, d-4$
$a-4, b-2, c-1,5, d-3$
$a-3, b-1,5, c-2, d-4$
$a-4, b-1, c-2,3, d-5$
Name a recombinant vaccine that is currently being used in vaccination program.
Immunity tolerance developed by
$A$ : Colostrum is a very efficient means of transferring immunity to a newborn.
$R$ : IgM from mother’s milk protects the baby from the respiratory infection usually affecting in young age.
The toxic substances produced by the foreign bodies are known as
Explain Acquired immunity.