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Class 12BiologyEnvironmental IssuesPollution
Easy

Cotton pollen grains are an important pollutant in which of the following cities?

  • A
    Delhi
  • B
    Ahmedabad
  • C
    Madras
  • D
    Calcutta
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12

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Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

Subtopic

Pollution

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