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Class 12BiologyEnvironmental IssuesMix Example-Environmental Issues

Which of the following statements pertaining to pollutants is correct?

  • A
    $DDT$ is a non-biodegradable pollutant.
  • B
    Excess fluoride in drinking water causes osteoporosis.
  • C
    Excess cadmium in drinking water causes black foot disease.
  • D
    Methyl mercury in water may cause 'Itai-Itai' disease.
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Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

Subtopic

Mix Example-Environmental Issues

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