Match the disease in column-I with the appropriate items (pathogen/prevention/treatment) in column-II.

	Column I		Column II
A.	Amoebiasis	1.	Treponema pallidum
B.	Diphtheria	2.	Use only sterilized food and water
C.	Cholera	3.	DPT vaccine
D.	Syphilis	4.	Use oral rehydration therapy

1. A-1 B-2 C-3 D-4

2. A-2 B-4 C-1 D-3

3. A-2 B-1 C-3 D-4

4. A-2 B-3 C-4 D-1

Which one of the following is the correct statement regarding the particular psychotropic drug specified?

Cornea transplant in humans is almost never rejected. This is because:

1. its cells are least penetrable by bacteria

2. it has no blood supply

3. it is composed of enucleated cells

4. it is a non-living layer

Lysozyme that is present in perspiration, saliva, and tears destroys:

A person showing upredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from:

1. schizophrenia

2. borderline personality disorder (BPD)

3. mood disorders

4. addictive disorders

HIV that causes AIDS first starts destroying:

1. B-lymphocytes

2. leucocytes

3. thrombocytes

4. helper T-lymphocytes

The letter T, in T- lymphocyte refers to:

1. thyroid

2. thalamus

3. tonsil

4. thymus

A person likely to develop tetanus is immunised by administering:

1. dead germs

2. preformed antibodies

3. wide spectrum antibiotics

4. weakened germs

Use of anti-histamine and steroids give a quick relief from:

Which of the following is a pair of viral diseases?

1. Ringworm, AIDS

2. Common cold, AIDS

3. Dysentery, common cold

4. Typhoid, tuberculosis