GK Quiz on Air Pollution: Test your knowledge here

Take the GK quiz on Air Pollution below. It is an important part of the subject environment sciences that is taken up in many exams coming up in next few months. Take a look below and go through every explanation provided

1. Which of the following is one of the secondary air pollutants among the following?

1. Ozone
2. CO
3. CO2
4. PANs

Ans. a

Explanation: Ozone is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight

2. In case of pollution due to high Ozone levels one must take which of the following precautions?

i) Drink lots of water and fluid

ii) Expose oneself less to sunlight

1. Only i
2. Only ii
3. Both i and ii
4. None of the above 

Ans. c

Explanation: In case of ozone pollution one must not go outside in the sunlight and keep hydrating him/herself for better safety. 

3. Which of the following can be considered causes of air pollution?

i) Climate change 

ii) Greenhouse gas emission

iii) Heavy vehicles movement

1. Only i and ii
2. i, ii and ii
3. Only i and iii
4. Only ii and iii

Ans. b

Explanation: Most air pollution comes from energy use and production. All three options above contribute to this factor. 

4. What is particulate matter causing air pollution called?

1. Smog
2. Soot
3. Foam
4. None of the above 

Ans. b

Explanation:  Soot is also known as particulate matter. It is made up of tiny particles of chemicals, soil, smoke, dust, or allergens.

5. Which of the following causes minamata disease?

1. Lead 
2. Mercury
3. Magnesium
4. Methyl chloride

Ans. b

Explanation: Minamata disease is methylmercury (MeHg) poisoning caused in those humans who ingested fish and shellfish contaminated by MeHg. 

6. Which of the following is considered to be the major sources of CFC?

i) Refrigerants

ii) Aircraft Halon

iii) Aerosol Sprays

1. i and ii
2. i and iii
3. ii and iii
4. ii and iii

Ans. d

Explanation: The causes of release of Chloro fluoro carbons can be refrigerants, halon used in aircrafts and many aerosol sprays. 

7. What is true about AQI?

i) It informs about the color and odour in the air

ii) It can inform about the ozone levels in any area along with particulate matter

1. Only i
2. Only ii
3. Both i and ii
4. None of the above 

Ans. b

Explanation: Air Quality Index informs about the content and quality of air in any area. That is based on the quantitative presence of various hazardous gases and not the colour or odour of the air. 

8. Photochemical smog mainly is 

1. H2O2
2. Methyl Chlorate 
3. Ozone
4. Peroxyacetyl nitrate

Ans. c

Explanation: Ozone is the main source of photochemical smog. It is basically haze in the atmosphere accompanied by high levels of ozone and nitrogen oxides due to the effect of sunlight on pollutants. 

9. Which of the following is an example of greenhouse gas?

1. Methane
2. Carbon dioxide
3. Oxygen 
4. Both a and b

Ans. d

Explanation: Both methane and carbon dioxide are examples of greenhouse gases. 

10. Which of the following is the major contributor of air pollution in iIndia as per the Indian Government?

1. Dust and Construction
2. Agricultural burning
3. Transport
4. Industries

Ans. a

Explanation: As per the Government of India, the major contributor in the Air Pollution in India is dust and construction. 

Also Read| GK Quiz on Special Economic Zones (SEZ) in India