Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET 2016
Exam
NEET
Year
2016
Subject
Zoology
Chapter
Microbes in Human Welfare

NEET 2016 · Zoology · Microbes in Human Welfare

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

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

Options

  1. ADrying of the river very soon due to algal bloom.
  2. BIncreased population of aquatic food web organisms.
  3. CAn increased production of fish due to biodegradable nutrients.
  4. DDeath of fish due to lack of oxygen.

Correct answer

D. Death of fish due to lack of oxygen.

Step-by-step 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.
Practice Microbes in Human Welfare on Quantrex Academy →

More from Microbes in Human Welfare

What is the reason behind production of large holes in 'Swiss Cheese' ? NEET 2026Match List I with List II : List I (Bioactive molecules) List II (Importance) A.… NEET 2026Which of the following is used as a clot buster ? NEET 2026Which of the following is an example of non-distilled alcoholic beverage produced by… NEET 2025Which of following organisms cannot fix nitrogen? A. Azotobacter B. Oscillatoria C.… NEET 2025Which of the following microbes is NOT involved in the preparation of household products?… NEET 2025Streptokinase produced by bacterium Streptococcus is used for NEET 2025Match List-I with List-II relating to microbes and their products: List-I (Microbes)… NEET 2024 Full Microbes in Human Welfare list All NEET PYQs