Chemistry·Prelims Questions
Environmental Chemistry — Prelims Questions
NEET UG
Version 1Updated 22 Mar 2026
Q1medium
Which of the following is NOT a component of photochemical smog?
Q2easy
Which of the following statements about Biochemical Oxygen Demand (BOD) is correct?
Q3medium
Which of the following is an example of a secondary pollutant?
Q4easy
The permissible limit of fluoride in drinking water, as recommended by WHO, is approximately:
Q5easy
Which of the following is a consequence of eutrophication in a water body?
Q6easy
Which of the following gases is primarily responsible for the 'ozone hole' phenomenon in the stratosphere?