Introduction India, with its immense human capital and burgeoning economy, is at a pivotal juncture…
MCQs on “The Role of Technology in Combating Air Pollution”
1. Which of the following technologies is primarily used for reducing particulate matter in industrial exhausts?
a) Electrostatic Precipitators
b) Scrubbers
c) Catalytic Converters
d) All of the above
Answer: a) Electrostatic Precipitators
2. The use of sensors to detect air quality in real-time is an example of which technological solution?
a) Emission reduction
b) Pollution control
c) Air quality monitoring
d) Waste management
Answer: c) Air quality monitoring
3. Which of the following is a major benefit of using electric vehicles (EVs) in combating air pollution?
a) Reduced carbon dioxide emissions
b) Decreased demand for fossil fuels
c) Reduced particulate matter
d) All of the above
Answer: d) All of the above
4. What is the purpose of a catalytic converter in vehicles?
a) Reduce nitrogen oxide emissions
b) Reduce carbon monoxide and hydrocarbons
c) Reduce particulate emissions
d) Increase fuel efficiency
Answer: b) Reduce carbon monoxide and hydrocarbons
5. Smart traffic management systems help combat air pollution by:
a) Reducing fuel consumption
b) Increasing traffic congestion
c) Reducing the use of electric vehicles
d) Increasing fuel emissions
Answer: a) Reducing fuel consumption
6. The development of which technology helps in reducing the emissions from power plants?
a) Solar energy
b) Carbon capture and storage (CCS)
c) Wind energy
d) Biomass
Answer: b) Carbon capture and storage (CCS)
7. Which of the following is NOT an example of technology used to combat air pollution?
a) Air purifiers
b) Smart grids
c) Electric scooters
d) Coal-burning power plants
Answer: d) Coal-burning power plants
8. Which technology is used for monitoring and managing air pollution in cities?
a) Artificial intelligence (AI)
b) Internet of Things (IoT)
c) Remote sensing technology
d) All of the above
Answer: d) All of the above
9. Which of the following can be considered a clean technology to combat air pollution?
a) Coal-based power plants
b) Solar energy
c) Wood-burning stoves
d) Diesel vehicles
Answer: b) Solar energy
10. The use of which technology in industrial areas is aimed at reducing air pollution through exhaust filtration?
a) Carbon filters
b) Fabric filters
c) Air scrubbers
d) All of the above
Answer: d) All of the above
11. In which of the following ways can artificial intelligence (AI) be used to combat air pollution?
a) Real-time air quality monitoring
b) Predicting pollution levels
c) Optimizing energy consumption
d) All of the above
Answer: d) All of the above
12. What role do drones play in the context of air pollution?
a) Monitoring air quality in remote areas
b) Reducing traffic emissions
c) Filtering particulate matter
d) Enhancing fuel efficiency
Answer: a) Monitoring air quality in remote areas
13. The introduction of green buildings and energy-efficient architecture is aimed at reducing:
a) Water pollution
b) Air pollution
c) Noise pollution
d) Soil pollution
Answer: b) Air pollution
14. Which of the following is NOT a technology for controlling emissions from industrial smokestacks?
a) Scrubbers
b) Electrostatic precipitators
c) Carbon capture
d) Hydraulic fracturing
Answer: d) Hydraulic fracturing
15. How do electric buses contribute to reducing air pollution?
a) By using renewable energy
b) By reducing greenhouse gas emissions
c) By reducing particulate matter in cities
d) All of the above
Answer: d) All of the above
16. Which technology helps in reducing vehicular emissions by improving the combustion process?
a) Hybrid engines
b) Exhaust gas recirculation
c) Turbochargers
d) All of the above
Answer: d) All of the above
17. The process of using artificial intelligence (AI) and machine learning to optimize traffic flow reduces air pollution by:
a) Increasing vehicle emissions
b) Reducing idle times and fuel consumption
c) Increasing the number of vehicles on the road
d) Increasing congestion
Answer: b) Reducing idle times and fuel consumption
18. What is the role of air quality prediction models in combating air pollution?
a) To track real-time air quality
b) To predict pollution hotspots
c) To issue pollution alerts in advance
d) All of the above
Answer: d) All of the above
19. Which of the following is a renewable energy source that helps reduce air pollution?
a) Solar power
b) Coal power
c) Natural gas
d) Nuclear energy
Answer: a) Solar power
20. What role does the Internet of Things (IoT) play in air pollution control?
a) Monitoring emissions in real-time
b) Automating pollution control devices
c) Collecting data for better policymaking
d) All of the above
Answer: d) All of the above
21. Which of the following is an environmental benefit of using hydrogen fuel cells in vehicles?
a) Reduced greenhouse gas emissions
b) Increased air pollution
c) High energy consumption
d) Increased carbon dioxide production
Answer: a) Reduced greenhouse gas emissions
22. How does the adoption of smart grids contribute to reducing air pollution?
a) By increasing energy consumption
b) By enabling the use of cleaner energy sources
c) By reducing power outages
d) By promoting coal-based power generation
Answer: b) By enabling the use of cleaner energy sources
23. Which of the following is an example of a low-carbon technology used to reduce air pollution?
a) Wind energy
b) Gas-powered vehicles
c) Biomass burning
d) Coal-fired power plants
Answer: a) Wind energy
24. How does sustainable agriculture help in reducing air pollution?
a) By reducing the use of chemical fertilizers
b) By increasing deforestation
c) By promoting the use of fossil fuels
d) By increasing industrial waste
Answer: a) By reducing the use of chemical fertilizers
25. The installation of air purifiers in urban areas primarily helps in:
a) Reducing particulate matter
b) Increasing energy consumption
c) Enhancing water quality
d) Reducing noise pollution
Answer: a) Reducing particulate matter
26. Which of the following contributes to reducing air pollution from household activities?
a) Using clean cookstoves
b) Using firewood for cooking
c) Burning plastics
d) Using traditional stoves
Answer: a) Using clean cookstoves
27. Which technological innovation helps improve vehicle emissions control in urban areas?
a) Smart traffic lights
b) Hybrid and electric vehicles
c) Diesel engines
d) All of the above
Answer: b) Hybrid and electric vehicles
28. Which of the following technologies is essential for converting industrial waste gases into less harmful substances?
a) Green roofs
b) Air scrubbers
c) Wind turbines
d) Biodegradable plastics
Answer: b) Air scrubbers
29. Which of the following helps reduce air pollution caused by construction activities?
a) Use of low-emission machinery
b) Use of diesel-powered generators
c) Increased construction waste
d) Increased vehicle emissions
Answer: a) Use of low-emission machinery
30. Which of the following can be considered a long-term technological solution to reduce air pollution?
a) Use of renewable energy sources
b) Expansion of urban areas
c) Increase in fossil fuel dependency
d) Rise in industrial emissions
Answer: a) Use of renewable energy sources
