During viral infection, the protein formed in host cells to resist is:

1. Interferons

2. Antitoxin

3. Antibody

4. Histone

The maximum application of animal cell culture technology today is in the production of:

1. Insulin

2. Interfereons

3. Vaccines

4. Edible proteins

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