Find the correct match of both the columns:
Column A Column B
i) Brewing a) Microbial decomposition of wastes
ii) Antibiotics b) Prevention of cholera, TB and hepatitis
iii) Manures c) Streptomycin and tetracycline
iv) Vaccines d) Alcohol and wine
i) – d) , ii) – c) iii)- a), iv) - b
Brewing is the production of alcoholic beverages through fermentation. Examples of antibiotics are streptomycin and tetracycline. Manures are formed by decomposition of plant and animal wastes through microbial action whereas vaccines help to prevent several diseases like cholera and TB.