Biology·MCQ Practice
Water Pollutants — MCQ Practice
NEET UG
Version 1Updated 21 Mar 2026
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.
Q1medium
Which of the following statements about Biochemical Oxygen Demand (BOD) is incorrect?
Q2easy
Which of the following pollutants is most likely to undergo biomagnification in an aquatic food chain?
Q3easy
Which of the following diseases is NOT typically caused by waterborne pathogens?
Q4easy
Excessive discharge of nitrates and phosphates into a lake primarily leads to:
Q5medium
Minamata disease is caused by the consumption of fish contaminated with:
Q6medium
A river downstream from a sugar factory shows a significantly reduced fish population and very low dissolved oxygen levels. Which type of pollutant is most likely responsible for this observation?