Which one among the following is a useful microorganism? (i) Salmonell – McqOptions

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1.	Which one among the following is a useful microorganism? (i) Salmonella typhi (ii) Rhizobium (iii) Lactobacillus (iv) Rhinovirus
A.	(i) and (ii)
B.	(ii) and (in)
C.	(iii) and (iv)
D.	(i) and (iv)
E.	None of these
Answer» C. (iii) and (iv)

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