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UPSC 2013: 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.
(a)1 and 3 only
(b)2, 4 and 5 only
(c)1, 3 and 5 only
(d)1, 2, 3, 4 and 5
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Not attemptedCorrect Answer: (c) 1, 3 and 5 only
Chronic arsenic contamination affects groundwater in parts of West Bengal, Bihar and Assam; excess fluoride occurs in Rajasthan, Andhra Pradesh and other regions; and naturally occurring uranium above permissible limits has been reported from aquifers in Punjab and Rajasthan. Sorbitol (a sugar alcohol) and formaldehyde are not documented as widespread drinking-water pollutants in India. Hence statements 1, 3 and 5 are correct → option (c). ([edukemy.com](https://edukemy.com/blog/upsc-prelims-2013-question-paper-with-answer-key-general-studies-paper-1/?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2013 Environment & Ecology question?▼
The correct answer is option (c): 1, 3 and 5 only. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Water & Wetland Conservation question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2013, GS Paper 1, as Question 8. It falls under Environment & Ecology > Water & Wetland Conservation.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Water & Wetland Conservation?▼
UPSC has asked 20 questions from Water & Wetland Conservation (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.