Which of the following is very effective sedative and pain killer?

1.  Cocaine.

2.  Heroin.

3.  Morphine.

4.  Cannabis extract.

Odd one out?

1.  PMNL-neutrophils.

2.  Monocytes.

3.  Natural killer cells.

4.  Interferons.

Common cold is not cured by antibiotics because it is

1. caused by a Gram-negaive bacterium

2. not an infectious disease

3. viral disease

4. caused by a Gram-positive bacterium

An infant can get passive immunity from:

Maturation of lymphocytes takes place in

The mode of transmission for all the following human diseases is primarily by droplet infection except for:

1.  Pneumonia

2.  Diphtheria

3.  Influenza

4.  Polio

Vaccines are available for the disease like

I.   Polio.

II.  Diphtheria.

III. Pneumonia.

IV. Tetanus.

1.  I, II, III & IV

2.  I and IV only

3.  I only

4.  I, II & IV only

Cellular oncogenes can be best explained as

1.  Mutated gene.

2.  Present in normal cells.

3.  Present only in the cells of benign tumour.

4.  Genes due to which cells loose the property of contact inhibition.

Which of the following represents the form of Plasmodium that is released from the erythrocyte by lysis?

1. Trophozoite

2. Schizont

3. Merozoite

4. Macrogametocyte