?Small pox' (Variola) disease is caused by [NCERT 1980; BHU 1985] – McqOptions

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1.	?Small pox' (Variola) disease is caused by [NCERT 1980; BHU 1985]
A.	Virus
B.	Bacterium
C.	Protozoan
D.	Mosquito
Answer» B. Bacterium

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