All are indicators for air pollution , except ?
Correct Answer: CO2
Description: Ans. is 'a' i.e., CO2 o Carbon dioxide is also an air pollutant, but it is not used as an air pollution indicator. o Park writes -- "It is not commonly regarded as an air pollutant although man generates enormous amount of it in combustion process using coal, oil and gas. Carbondioxide is a natural constituent of the air It does not take pa in any significant chemical reactions with other substances in the air". o The best indicators of air pollution are Sulphur dioxide Smoke (soiling index) Suspended paicles
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now