1.

{:("List-I","List-2"),("Pollutant","Effect"),((A)SO_(4)^(-2) gt 550 "ppm baby syndrome",(1)"Causes disease blue"),((B)(NO_(3))^(-1) gt 50 "ppm",(2)"Damage to kideny, liver,reproduction system."),((C)"lead and Hg",(3)"Eutrophication of the pond"),((D)CO_(2)","H_(2)","O_(2)","N_(2) NO_(3)^(-1)", " (PO_(4))^(-3)", " B" " Cl Cu , (4) " Causes laxative effect"):} The correct match is

Answer»

`{:(A,B,C,D),(4,1,2,3):}`
`{:(A,B,C,D),(4,1,3,2):}`
`{:(A,B,C,D),(1,2,3,4):}`
`{:(A,B,C,D),(4,3,2,1):}`

ANSWER :A


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