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Q33 (IAS/2013) Environment & Ecology › Pollution & Conservation › Water pollution indicators Answer Verified

Which of the following can be found as pollutants in the drinking water in some parts of India? 1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5. Uranium Select the correct answer using the codes given below.

Result
Your answer: —  Â·  Correct: C
Explanation

In India, groundwater contamination by specific inorganic pollutants is a significant public health concern. Arsenic contamination is a severe issue, particularly in the Ganges Delta and West Bengal, affecting millions [1]. Fluoride is another widespread pollutant found in many Indian states, causing neuromuscular disorders and skeletal fluorosis [2]. Recent studies and government reports from the Central Ground Water Board have also highlighted Uranium as a major contaminant in several states, including Punjab, Haryana, and Bihar, often exceeding WHO and BIS permissible limits. While industrial activities can introduce various chemicals, Sorbitol (a sugar alcohol) and Formaldehyde are not typically identified as widespread natural or primary groundwater pollutants in the context of India's drinking water quality assessments. Therefore, Arsenic, Fluoride, and Uranium are the primary pollutants found in some parts of India.

Sources

  1. [1] Environment, Shankar IAS Acedemy .(ed 10th) > Chapter 5: Environmental Pollution > 3. Hazards of ground water pollution: > p. 77
  2. [2] Environment, Shankar IAS Acedemy .(ed 10th) > Chapter 5: Environmental Pollution > 3. Hazards of ground water pollution: > p. 76
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