2. Questions Bank
  3. JEE Main & Advanced
  4. Chemistry
  5. Environmental Chemistry / पर्यावरणीय रसायन

JEE Main & Advanced Chemistry Environmental Chemistry / पर्यावरणीय रसायन Question Bank Mock Test - Environmental Chemistry

  • question_answer
    Sewage containing organic waste should not be disposed in water bodies because it causes major water pollution Fishes in such a polluted water die because of

    A) large number of mosquitoes

    B) increase in the amount of dissolved oxygen

    C) decrease in the amount of dissolved oxygen in water

    D) clogging of gills by mud

    Correct Answer: C

    Solution :

    [c] Sewage containing organic waste should not be disposed in water bodies because it causes major water pollution. So, fishes in such a polluted water die because of decrease in the amount of dissolved oxygen in water.


You need to login to perform this action.
You will be redirected in 3 sec spinner