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Match the items given in column I with those in column II.

Column I Column II
(a) Smallpox (i) Retrovirus
(b) Common cold (ii) Rhinovirus
(c ) AIDS (iii) Coronavirus
(d) COVID-19 (iv) Variola virus
Select the correct option.
(a) (b) (c) (d)
1. iv ii i iii
2. iv ii iii i
3. ii iv i iii
4. i iii iv ii

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answer is A.

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Detailed Solution

Smallpox	-	Variola virus
Common cold	-	Rhinovirus
AIDS	-	Retrovirus
COVID-19	-	Coronavirus

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