Match List I with List II:List I (Water Pollutant Type) List II (Example) (A) Toxic Pollutant (I) Chlorine (B) Nontoxic Pollutant (II) Protozoa (C) Macroscopic Pollutant (III) Benzene (D) Pathogenic Pollutant (IV) Food cans
Choose the correct answer from the options given below:सूची I को सूची II से सुमेलित कीजिए:सूची I (जल प्रदूषक का प्रकार) सूची II (उदाहरण) (A) विषाक्त प्रदूषक (I) क्लोरीन (B) गैर-विषाक्त प्रदूषक (II) प्रोटोजोआ (C) स्थूल (Macroscopic) प्रदूषक (III) बेंजीन (D) रोगजनक प्रदूषक (IV) भोजन के डिब्बे (फ़ूड कैन)
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Correct answer: B. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
Explanation
Benzene is a carcinogenic toxic pollutant (A-III). Chlorine at the doses used in water treatment is treated here as the non-toxic pollutant (B-I). Macroscopic pollutants are large visible litter such as food cans (C-IV). Protozoa are disease-causing organisms, i.e. pathogenic pollutants (D-II). Hence (A)-(III), (B)-(I), (C)-(IV), (D)-(II).बेंजीन एक कैंसरकारक विषाक्त प्रदूषक है (A-III)। जल उपचार में प्रयुक्त मात्रा में क्लोरीन को यहाँ गैर-विषाक्त प्रदूषक माना गया है (B-I)। स्थूल प्रदूषक बड़े, दृश्य कूड़े होते हैं जैसे भोजन के डिब्बे (C-IV)। प्रोटोजोआ रोगकारक जीव हैं, अर्थात् रोगजनक प्रदूषक (D-II)। अतः (A)-(III), (B)-(I), (C)-(IV), (D)-(II)।More People, Development and Environment questions
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