Coliform test is for -
Ans. is 'b' i.e., Water Contomination Bacteriological indicators of w ater contaminationo Presence of following organism indicate fecal contamination of water.Coliform : by all practical point of view it is assumed that all coliform are fecal in origin unless a non-fecal origin can be proved.Fecal streptococci or enterococci :They regularly occur in feces. Finding of fecal streptococci in water is regarded as important confirmatory evidence of recent fecal contamination water.Clostridium perfringens: They also regularly occur in feces. Presence of spore of Cl. perfringens and absence of coliform group indicate remote contamination of water.
Air pollution
Water contamination
Sound pollution
None
Environment and Health