1. Identify the disease according to given points :
(a) Sustained high fever
(b) Weakness
(c) Headache
(d) Loss of appetite

(1) Ascariasis 

(2) Amoebiasis

(3) Typhoid 

(4) Cholera

2. Toxoids vaccines provides us which type ofimmunity :-

(1) Natural active 

(2) Artificial active

(3) Natural passive 

(4) Artificial passive

3. Barr body is absent in female of :-
(1) Klinefelter's syndrome
(2) Turner's syndrome
(3) Normal female
(4) Down syndrome in female

4. HIV mounts a direct attack on all cells that  have a specific protein called CD-4 on their  surfaces CD-4 is found on :-

(1) Helper T cells 

(2) Macrophages

(3) N.K. cells 

(4) Both 1 and 2

5. Match the column 'A' and 'B'?

A B (a) IgA (i) Universal antibody (b) IgD (ii) Allergic antibody (c) IgE (iii) Secretory antibody (d) IgG (iv) Surface antibody (a) (b) (c) (d) (1)iiiiiiiv (2) iiiviii i (3) iv iiiiii (4) iiiiviii