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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.


1. 1 and 3 only
2. 2, 4 and 5 only
3. 1, 3 and 5 only
4. 1, 2, 3, 4 and 5

1 Answer

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Best answer
Correct Answer - Option 3 : 1, 3 and 5 only

The correct answer is 1, 3 and 5 only.

ARSENIC :

  1. It reaches groundwater through seepage of industrial and mines discharges and fly ash ponds of thermal power plants.
  2. It is a highly toxic pollutant and its chronic exposure may cause black foot disease.
  3. The other diseases which may be caused by water contaminated with arsenic are:- diarrhoea, lung and skin cancer.

FLUORIDE:

  1. Excess fluoride in drinking water may lead to several dangerous health problems like:- Knock-knee syndrome, Fluorosis, neuromuscular disorders, gastrointestinal problems, teeth deformity, etc.

URANIUM

  1. A report brought out by Duke University, the USA in association with Central Ground Water Board and State Ground Water departments state that Andhra Pradesh, Chhattisgarh, Gujarat, Haryana, Himachal Pradesh, Jharkhand, Karnataka, Maharashtra, Odisha, Punjab, Rajasthan, Tamil Nadu, Telangana, Uttar Pradesh, West Bengal and Jammu & Kashmir have localised occurrence of Uranium concentration.

Some other elements acting as water pollutant are:

  1. Mercury - causes Minamata disease
  2. Cadmium - causes Itai-Itai disease, nephritis, nephrosis
  3. Chromium - causes lung cancer in humans and reduces photosynthetic activities in plants
  4. Copper - causes vomiting, diarrhoea, stomach cramps, liver damage, kidney disease, etc.
  5. Zinc - causes fever, nausea, vomiting, diarrhoea, stomach cramps, etc.
  6. Lead - anaemia, mental retardation, partial paralysis, loss of hearing, etc.

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