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Which among the following are water pollutants? (a) pesticides (b) water discharged from water treatment plant (c) Human wastes (d) Food wastes

Which among the following are water pollutants? (a) pesticides (b) water discharged from water treatment plant (c) Human wastes (d) Food wastes Correct Answer (a), (b), (c), (d)

Concept:

Water Pollution:

  • When harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, the water quality deteriorates and the water becomes toxic to humans. aquatic life and the environment.

Causes of water pollution:

Improper sewage disposal and human waste (faecal waste)

  • Improper sewage disposal is increasingly becoming a serious global concern.
  • The waste goes somewhere every time you flush... either to a sewage treatment facility or to the oceans, where the residual sewage is deposited.
  • From a health standpoint, faecal pollution of water refers to the contamination of water with disease-causing organisms (pathogens) that may reside in the gastrointestinal tract of mammals, with a focus on human faeces as the most important cause of human illnesses globally.

Pesticide and fertilizers:

  • Fertilizers and Pesticides play a big role in the cause of water pollution in this world, with individuals attempting to maintain their yards vivid green and weed-free, and farmers coping with the expanding population.
  • As a result, deadly algae blooms occur, resulting in the loss of many underwater plants and creatures.

Food Waste:

  • The uneaten food and related domestic waste dumped near water bodies become a source of water as well as land pollution. 
  • The untreated food rots unknowingly and causes the water streams to clog and affect the dissolved oxygen content.
  • This furthermore hampers aquatic life.
  • The rotting waste also becomes a hub for pests and other related diseases. 
  • Water discharged from treatment plants: 
  • The water discharged is untreated and is full of harmful chemicals and substances that destroy the water quality and the marine life within. 

Explanation:

  • Harmful substances contaminating the water bodies and deteriorating the water quality which inturns become toxic to humans, marine life and the environment is called water pollution. 
  • Causes - 
    • Pesticide and fertilizers 
    • Improper sewage disposal and human waste (faecal waste)
    • Water discharged from treatment plants
    • Food Waste

Hence, the correct answer to this question is (a), (b), (c), (d)

Related Questions

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