Biology·Prelims Questions
Water Pollution and its Control — Prelims Questions
NEET UG
Version 1Updated 21 Mar 2026
Q1medium
Which of the following statements correctly describes the relationship between Biochemical Oxygen Demand (BOD) and water pollution?
Q2medium
Which of the following is NOT a consequence of eutrophication?
Q3easy
Biomagnification of DDT in an aquatic food chain is highest in:
Q4easy
In a Sewage Treatment Plant (STP), the primary treatment involves:
Q5easy
Which of the following diseases is NOT typically caused by consuming water contaminated with domestic sewage?
Q6easy
The 'flocs' in secondary sewage treatment are primarily: