question_answer

Match the type of immunity listed in Column I with the examples listed in Column II. Choose the answer which gives the correct combination of alphabets of the columns:

Column I Type of Immunity	Column II Example
A. Natural Active	p. Immunity developed by heredity
B. Artificial Passive	q. From mother to foetus through placenta
C. Artificial active	r. Injection of antiserum to travelers
D. Natural passive	s. Fighting infections naturally
	t. Induced by vaccination

A)             A-t       B-s       C-r       D-p

B)             A-s       B-t       C-q     D-r

C)             A-s      B-r        C-t      D-q

D)             A-p      B-q      C-r       D-t