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Q.

Match List-I with List-II and select the correct answer using the codes given below the lists.

List-I (Pollutant)                     List-II (Source) 

A) Microorganisms              1) Chemical fertilizers 

B) Plant nutrients                 2) Abandoned coal mines 

C) Sediments                         3) Domestic sewage 

D) Mineral acids                   4) Erosion of soil by strip mining 

                                                5)Detergents                                                                 

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a

A-3,  B-1,  C-4,  D-1

b

A-2,  B-5,  C-3,  D-1

c

A-1,  B-3,  C-2, D- 4

d

A-4,  B-2,  C-1,  D-5

answer is A.

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Detailed Solution

 Chemical fertilizers are the source of plant nutrients, domestic sewage is the source of microorganisms, the source of sediments is the erosion of soil by strip mining, and the source of mineral acids is abandoned coal mines.

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