• 1. 
    Which one of the following rivers is highly polluted?

  • the Brahmaputra
  • the Yamuna
  • Satluj
  • Godavari
  • 2. 
    Which one of the following diseases is caused by water pollution?

  • Conjunctivitis
  • Respiratory infections
  • Diarrhoea
  • Bronchitis
  • 3. 
    Which one of the following is the cause of acid rain?

  • Water pollution
  • Noise pollution
  • Land pollution
  • Air pollution.
  • 4. 
    Push and pull factors are responsible for:

  • Migration
  • Slums
  • Land degradation
  • Air pollution
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