NEET 2020 Zoology question on Human Health and Disease

1. A.
   When ready-made antibodies are directly given, it is called "Passive immunity".
2. B.
   Active immunity is quick and gives full response.
3. C.
   Foetus receives some antibodies from mother, it is an example for passive immunity.
4. D.
   When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called "Active immunity".

[NEET 2020]