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

Maturation of lymphocytes takes place in

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

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

1.  Cocaine.

2.  Heroin.

3.  Morphine.

4.  Cannabis extract.

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.

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

Odd one out?

1.  PMNL-neutrophils.

2.  Monocytes.

3.  Natural killer cells.

4.  Interferons.

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

Select the option where all columns are correctly matched:

The fetus receives some antibodies from their mother, through the placenta. This is an example of:

1.  Naturally acquired passive immunity

2.  Artificially acquired passive immunity

3.  Naturally acquired active immunity

4.  Artificially acquired active immunity