1. Diseases are broadly grouped into infectious  and non infectious diseases. How many of the  following are infectious diseases ?

(i) Small pox (ii) Allergy

(iii) Influenza (iv) AIDS

(v) Cancer

(1) One 

(2) Two

(3) Three 

(4) Four

2. Which of the following is not the function of  antibodies ?

(1) Agglutination 

(2) Opsonization

(3) Neutralisation 

(4) Phagocytosis

3. Match the columns correctly.

Column I Natural killer Column II A i IM cell B Monocyte ii IA Maximum C iii Phagocytosis paratopes D Colostrum antibody iv Non phagocytic A B C D (1) iiiiivii (2) iviiiiii (3) iiiiiiiv (4) iviiiiii