Identify the wrong statement with a reference to immunity.
1. | When ready-made antibodies are directly given, it is called “Passive immunity". |
2. | Active immunity is quick and gives a full response. |
3. | Foetus receives some antibodies from the mother, it is an example of passive immunity |
4. | When exposed to antigen(living or dead) antibodies are produced in the host's body. It is called "Active immunity |
MALT constitutes about _______ percent of the lymphoid tissue in the human body.
1. | 20% | 2. | 70% |
3. | 10% | 4. | 50% |
A person likely to develop tetanus is immunised by administering:
1. dead germs
2. preformed antibodies
3. wide spectrum antibiotics
4. weakened germs
The letter T, in T- lymphocyte refers to:
1. thyroid
2. thalamus
3. tonsil
4. thymus
Damage to thymus in a child may lead to:
1. A reduction in haemoglobin content of blood
2. A reduction in stem cell production
3. Loss of antibody-mediated immunity
4. Loss of cell-mediated immunity
During viral infection, the protein formed in host cells to resist is:
1. Interferons
2. Antitoxin
3. Antibody
4. Histone