Q38 / 170 · Manipal (MET) 2016 · Chemistry

The process of 'eutrophication' is due to

  • A
    increase in concentration of radioactive substances in water
  • Correct answer
    B
    the reduction in concentration of the dissolved oxygen in water due to phosphate pollution in water
  • C
    increase in concentration of fluoride ion in water
  • D
    increase in concentration of insecticide in water

Solution

The enrichment of water by plant nutrients is known as eutrophication. It is due to the reduction in concentration of dissolved oxygen in water due to phosphate pollution.

Hence, the correct answer is option: 'B'.

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