Common cold differs from pneumonia in, that:

1.	Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease
2.	Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine
3.	Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae
4.	Pneumonia pathogen infects alveoli whereas the common cold affects the nose and respiratory passage but not the lungs

Which one of the following is not a property of cancerous cells whereas, the remaining three are?
1. They compete with the normal cells for vital nutrients.
2. They do not remain confined in the area of formation.
3. They divide in an uncontrolled manner.
4. They show contact inhibition.

Which one of the following statements is correct with respect to immunity?

Cirrhosis of liver is caused by the chronic intake of
1. Opium
2. Alcohol
3. Tobacco (Chewing)
4. Cocaine

At which stage of HIV infection does one usually show symptoms of AIDS?

Which of the following immunoglobulins does constitute the largest percentage in human milk?
1. Ig M
2. Ig A
3. Ig G
4. Ig D

Which of the following viruses is not transferred through semen of an infected male?

Match each disease with its correct type of vaccine :

    (a) (b) (c) (d)
1. (iii) (ii) (iv) (i)
2. (iv) (iii) (ii) (i)
3. (i) (ii) (iv) (iii)
4. (ii) (i) (iii) (iv)

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidences?
1. Serum albumins
2. Haemocytes
3. Serum globulins
4. Fibrinogin in plasma