Home
Class 11
CHEMISTRY
Eutrophication causes...

Eutrophication causes

A

increase in nutrients

B

increase in disolved salts

C

reduction in disolved oxygen

D

reduction in water pollution

Text Solution

Verified by Experts

The correct Answer is:
C

Eutrophication results in reduction of dissolved oxygen .
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise HIGHHER ORDER THINKING SKILLS|9 Videos
  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise EXAMPLAR PROBLEMS|12 Videos
  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • EQUILIBRIUM

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Pollutants are the substances which present in the environment in greater proportion than its natural abundance and resulting in harmful or deterimental effect on the quality of environment. Generally highly toxic substances are considered . Generally highly toxic even substances that are normally considered harmless can cause pollution if they are present in underirable concentration. Over exploitation of natural resourses uncontrolled mechanisation deforestation and extensive use of chemical fertilizers and pesticides have brought about many changes in different component of the environment . Eutrophication causes reduction in

Eutrophication is caused by

Eutrophication occurs because of :

Eutrophication refers to:

Accelerated eutrophication occurs due to

Eutrophication includes all, except

Assertion: Eutrophication shows increase in productivity in water. Reason: With increasing eutrophication, the diversity of the phytoplankton increases

Eutrophication leads to death of fish due to

Drinking water problem in our urban' areas is caused mainly because we fail to protect our water bodies. Explain how accelerated eutrophication chokes our water bodies to death.

Which of the following statements regarding eutrophication are correct ? (i) Eutrophication is the natural ageing of a lake by nutrient enrichment of its water. (ii) Pollutants from human activities like effluents from the industries and homes can radically accelerate the aging process of a lake. This phenomenon is called as cultural or accelerated eutrophication. (iii) The plant nutrients responsible for eutrophication are nitrates and phosphates. (iv) These phosphates and nitrates accelerate the growth of algae, which utilise oxygen and may deoxygenate the water to kill the fish and other aquatic animals.