Pollutions Quiz with Answers : Environment and Ecology

Question 1. Which of the following is produced during the formation of photochemical smog?

(A) Hydrocarbons

(B) Nitrogen oxides

(C) Ozone

(D) Methane

Question 2. The combustion of coal, petrol and diesel etc., is the basic source of? 

(A) Water pollution

(B) Land pollution

(C) Air pollution

(D) Noise pollution

Question 3. A bio-degradable pollutant is?

(A) Mercury

(B) Sewage

(C) Plastic

(D) Asbestos

Question 4. Human-made pollutants are called?

(A) Xenobiotics

(B) Antibiotics

(C) Humalins

(D) Anthropogenic

Question 5. Which of the following is the reason behind the maximum noise pollution? 

(A) Heavy Traffic

(B) Election Meetings

(C) Rock Music

(D) Jet Flight

Question 6. Photochemical smog is a resultant of the reaction among?

(A) NO2, O3 and peroxyacetyl nitrate in the presence of sunlight

(B) CO, O2and peroxyacetylnitrate in the presence of sunlight

(C) CO, CO2 and NO2 at low temperature

(D) High concentration of NO2, O3 and CO in the evening

Question 7. Which one of the following is not a secondary pollutant?

(A) PAN

(B) Smog

(C) Sulphur dioxide

(D) Ozone

Question 8. During normal conditions, the gas which pollutes the atmosphere is?

(A) Carbon monoxide (CO)

(B) Carbon dioxide (CO2)

(C) Nitrogen (N2)

(D) Oxygen (O2)

Question 9. Pollutant emission gas in vehicle exhaust is mainly?

(A) Carbon dioxide

(B) Carbon monoxide

(C) Marsh gas

(D) Nitrogen oxide

Question 10. Colourless gas coming out from motor vehicles and cigarettes due to incomplete combustion is?

(A) Carbon dioxide

(B) Nitrous oxide

(C) Carbon monoxide

(D) Methane

Question 11. Which one of the following air pollutants can affect bloodstream leading to death?

(A) Asbestos dust

(B) Cadmium

(C) Nitrogen oxides

(D) Carbon monoxide

Question 12. Combustion of petrol in automobiles pollutes the air by producing following metal.

(A) Mercury

(B) Cadmium

(C) Lead

(D) Carbon dioxide

Question 13. Which of the following air pollutants is most dangerous? 

(A) Ozone

(B) Hydrogen sulphide

(C) Carbon dioxide

(D) Carbon monoxide

Question 14. Which of the following air pollutants get dissolved in haemoglobin of the blood more rapidly than oxygen? 

(A) PAN

(B) Carbon dioxide

(C) Carbon monoxide

(D) Ozone

Question 15. Indiscriminate use of fertilizers have led to?

(A) Soil pollution

(B) Water pollution

(C) Air pollution

(D) All of the above

Question 16. The non-biotic pollutant underground water is? 

(A) Bacteria

(B) Algae

(C) Arsenic

(D) Viruses

Question 17. Acid rain is caused by pollution of environment by?

(A) Carbon monoxide and carbon dioxide

(B) Carbon dioxide and nitrogen

(C) Nitrous oxide and sulphur dioxide

(D) Carbon dioxide

Question 18. The highest chemical pollution is caused by the industrial effluents of?

(A) Leather industry

(B) Paper industry

(C) Rayon industry

(D) Textile industry

Question 19. Which of the following, when dissolved in rainwater turns rainwater acidic (acid rain)? 

(A) Oxide of sulphur

(B) Oxide of boron

(C) Hydrochloric acid

(D) Nitric acid

Question 20. Acid rain occurs due to?

(A) Acid vapour reaching the clouds

(B) Reaction between rainwater and carbon dioxide pollutants

(C) Reaction between clouds and sulphur dioxide pollutants

(D) Reaction between water vapour and electric ions during lightening and cloud burst

Question 21. Which one of the following gases is responsible for causing acid rain in the atmosphere?

(A) CFC

(B) CH4

(C) O3

(D) SO2

Question 22. Acid rain is caused by?

(A) Industries

(B) Petrol

(C) Burning coal

(D) Wood

Question 23. Which one of the following is not related to air pollution? 

(A) Smog

(B) Acid rain

(C) Eutrophication

(D) Asbestosis

Question 24. Which one of the following is an air pollutant gas and is released by burning fossil fuel?

(A) Hydrogen

(B) Nitrogen

(C) Oxygen

(D) Sulphur dioxide

Question 25. Fly ash is a pollutive combustion product of burning?

(A) Coal

(B) Charcoal

(C) Diesel/kerosene oil

(D) CNG