+91-8076753736 support@wiredfaculty.com
logo
logo

Sponsor Area

Environmental Issues

Question
CBSEENBI12002288
Wired Faculty App

Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of 

  • food

  • light

  • essential minerals

  • oxygen

Solution

D.

oxygen

Eutrophication is a process where water bodies receive excess nutrients that stimulate excessive plant growth. This can lead to overcrowding and competition for sunlight, space and oxygen.
This condition creates the lacking of essential nutrients for fishes due to which they die. 

Some More Questions From Environmental Issues Chapter

The amount of dissolved oxygen required by the microorganisms to degrade the organic wastes present in water is called ?

The cause of acid rain is :

Which one of the following causes ozone depletion ?

What disease is caused due to consumption of fishes captured from water contaminated with mercury ?

Which one of the following is not a green-house gas ?

Which gas contributes the maximum in global warming ?

Fill in the blanks with suitable words :

1. Increase in concentration of soluble salts in the soil is called.........

2. Aforestation can check the advancement of......... .

3. DDT is a serious pollutant as it is a.........pollutant and undergoes......... .

4 .........plant has become a troublesome weed in agricultural fields.

5 .........are major aerosol pollutant present in jet aircraft emission.

Write “True” or “False” :

Coin one word for the following statements :

Discarded computer parts like monitors, key boards, mouse etc.

Coin one word for the following statements :
Degradation of organic waste by worms like red wigglers, white worms and earthworms.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation