Home
Class 11
CHEMISTRY
Sewage containing organic waste should n...

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 moxquitos

B

increase in the amount of dissolved oxygen

C

decrese in the amount of dissolved oxygen in water

D

clogging of gills by mud

Text Solution

Verified by Experts

The correct Answer is:
C
Dissolved oxygen is essential for aqualic life. Organic waste is oxidised by microorganisms using dissolved oxygen, Hence, oxygen from water decreases. It is harmful for aquatic life.
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    NCERT EXEMPLAR|Exercise Short Answer Type|18 Videos

  • ENVIRONMENTAL CHEMISTRY

    NCERT EXEMPLAR|Exercise Match the column|4 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES.

    NCERT EXEMPLAR|Exercise Long answer types question|7 Videos

  • HYDROCARBONS

    NCERT EXEMPLAR|Exercise Long Answer Type Questions|4 Videos

Similar Questions

Explore conceptually related problems

Sewage containing organic waste should not be disposed in water bodies because it cause water pollution. Fishes in such a polluted water die because of

Causes of water pollution.

Water pollution causes