Water Pollution


 
 
Concept Explanation
 

Water Pollution

Water pollution: The problem of water pollution has started assuming challenging proportions. The major contaminants in water are partially treated or untreated sewage, chemicals fertilizers used in the agricultural sector and industrial effluents discharged into the water bodies. They pollute water with bacteria, parasites, viruses and toxic chemical like pesticides. Most of these chemicals are non biodegradable. They enter human bodies not through the water and causes diseases.

Sample Questions
(More Questions for each concept available in Login)
Question : 1

Consider the following statements:

  • A: Half of India's wetlands have drained out.
  • B: Forty percent of India's mangroves have been wiped out.
  • C: Seventy percent of India's surface water bodies have been polluted.

Which of the following options is correct?

Right Option : D
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Explanation
 
 
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