Air Pollution
Trending Questions
Q. What is the composition of oxygen in the atmosphere?
- 78%
- 21%
- 1%
- 6%
Q. What kind of gases in smoke cause air pollution?
- Carbon monoxide
- Nitrogen
- Helium
- Carbon dioxide
Q.
64 About one-fifth of ordinary air is
nitrogen
carbon dioxide
water vapor
oxygen
Q.
What are the main causes of smoke in air?
Q.
Carbon monoxide is a major pollutant of:
Water
Air
Noise
Soil
Q. Which among the following contributes to air pollution?
- Forests
- Factories
- Traffic
- Coal-based power plants
Q.
What are the causes of the increase in dust and smoke in the atmosphere?
Q.
Carbon dioxide constitutes about _________ % by volume in air.
Q. Air pollution occurs when a large amount of harmful _____, ________and ________is released in the atmosphere.
- gases
- dust particles
- solid waste
- smoke
Q. What tiny suspended solid and liquid particles pollute the air?
- Fuel oil
- Smoke
- Soot
- Fumes
Q. Which gas makes up about 0.9% of the air we breathe?
- Helium
- Argon
- Carbon dioxide
- Methane
Q. What is the composition of oxygen in the atmosphere?
- 78%
- 21%
- 1%
- 6%
Q.
Dust and smoke cause ________ of air when present in excess.
Q.
Is biomass harmful to humans?
Q. What fumes are emitted when diesel fuels are burnt?
- Magnesium
- Aluminium
- Lead
- Potassium
Q.
Smog is a combination of
Fire and water
Smoke and fog
water and smoke
Air and water
Q. Select the incorrect statement with respect to the composition of clean air.
- Carbon dioxide makes 1% of the air
- Oxygen makes 21% of the air
- Nitrogen makes 78% of the air
- Argon makes 0.9% of the air
Q.
Examples of the primary environmental pollutant are __________.
- CO
- NO
- SO2
- All of these
Q. The phenomenon caused due to the use of fossil fuels is _______________.
- greenhouse effect
- earthquakes
- ozone depletion
- environmental imbalance
Q. Give reasons why helium is preferred to hydrogen for filling weather balloons.