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JIPMER 2014
Exam
JIPMER
Year
2014
Subject
Botany
Chapter
Environmental Issues

JIPMER 2014 · Botany · Environmental Issues

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

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

Options

  1. Adrying of the lake very soon due to algal bloom
  2. Ban increased production of fish due to lot of nutrients
  3. Cdeath of fish due to lack of oxygen
  4. Dincreased population of aquatic food web organisms

Correct answer

C. death of fish due to lack of oxygen

Step-by-step solution

Oxygen level goes down due to algel bloom. These bloom also release some toxic chemical which kill fishes and other animals.
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