NEET Solved Paper 2016 Question 88

Question: A river with an inflow of domestic sewage rich in organic waste may result in:

Options:

A) Drying of the river very soon due to algal bloom.

B) Increased population of aquatic food web organisms.

C) An increased production of fish due to biodegradable nutrients.

D) Death of fish due to lack of oxygen.

Show Answer

Answer:

Correct Answer: D

Solution:

  • A river with an inflow of domestic sewage rich in organic waste will reduce the dissolved oxygen (DO) and may result in death of fish due to lack of oxygen.