If you suspect a major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?

1. Fibrinogin in plasma

2. Serum albumins

3. Haemocyres

4. Serum globulins

Which one of the following can not be used for preparation of vaccines against plague:

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

Antibodies in our body are complex:

1. lipoproteins

2. steroids

3. prostaglandins

4. glycoproteins