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Q8·GS Paper 1 · Prelims 2013

Drinking Water Pollutants India

EnvironmentWater Pollution - ContaminantsStatement-basedMediumStatic

Question

Which of the following can be found as pollutants in the drinking water in some parts of India?

1Arsenic
2Sorbitol
3Fluoride
4Formaldehyde
5Uranium

Select the correct answer using the codes given below.

  1. 1.

    Arsenic

  2. 2.

    Sorbitol

  3. 3.

    Fluoride

  4. 4.

    Formaldehyde

  5. 5.

    Uranium

Options

a

1 and 3 only

b

2, 4 and 5 only

c

1, 3 and 5 only

Answer
d

1, 2, 3, 4 and 5

Explanation

Arsenic (1) is a major water pollutant in parts of West Bengal, Bihar, and Assam due to geological sources. Fluoride (3) is found in excess in groundwater in several regions, causing dental and skeletal fluorosis. Uranium (5) is radioactive and found in certain geological areas affecting groundwater. Sorbitol (2) is a synthetic sweetener, not a naturally occurring water pollutant of concern in India. Formaldehyde (4) is not a primary drinking water pollutant in India, though it may occur in contaminated sources. > Arsenic, Fluoride, Uranium = major Indian water pollutants; Sorbitol, Formaldehyde = not typical. Answer: (c).

Question details

Year

2013

Paper

GS Paper 1

Question

Q8

Subject

Environment

Sub-topic

Water Pollution - Contaminants

Type

Statement-based

Difficulty

Medium

Nature

Static

Source hint

NCERT Science Ch.15 - Pollution

See all questions on Water Pollution - Contaminants

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