Q.
Column I
Column II
a
Innate immunity
1
Natural infection
b
Acquired immunity
2
Colostrum
c
Active immunity
3
Interferons
d
Passive immunity
4
Antibodies
| Column I | Column II | ||
|---|---|---|---|
| a | Innate immunity | 1 | Natural infection |
| b | Acquired immunity | 2 | Colostrum |
| c | Active immunity | 3 | Interferons |
| d | Passive immunity | 4 | Antibodies |
Solution: