☰
✕

Environmental Issues
Question
Wired Faculty App

A lake with an inflow of domestic sewage rich in organic waste may result in

  • Drying of the lake very soon due to algal bloom

  • An increased production of fish due to lot of nutrients

  • Death of fish due to lack of oxygen

  • Increased population of the aquatic food web organisms

Answer

C.

Death of fish due to lack of oxygen

Oxygen level goes down due to algel bloom. This bloom also releases some toxic chemical which kills fishes and other animals.

Sponsor Area

Some More Questions From Environmental Issues Chapter

Ozone depletion will cause :

The meaning of BOD is :

Which of the following pollutants is not produced by exhaust of motor vehicles ?

What is the term for the inflammation of cornea due to high absorption of UV-B radiation :

Smog is a mixture of  :

WHO’s recommendations about the industrial noise limit is of :

Which of the atmospheric layer contains ozone layer ?

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 ?