Prevention of Air Pollution

Q. Which of the following means of transport produces least air pollution?

1. Bicycle
2. Bus
3. Car
4. Bike

Q.

Suggest three measures to prevent air pollution. [3 MARKS]

Q.

31 Give a reason why factories have tall chimneys.

Q. <!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> Discuss three methods to reduce air pollution.

Q.

Which of the following can be used to control air pollution?

1. Cheap fuel

2. Non-polluting fuel

3. Convenient fuel

4. All of these

Q.

We smell a pungent odour when there is an LPG leakage even though natural gas is odourless. Identify the proper reason for this smell.

1. LPG gas reacts with the atmosphere
2. LPG gas is highly compressed
3. Energy companies add rotten egg smell
4. LPG gas undergoes oxidation

Q.

Which of the following will be effective in reducing air pollution?

1. Use of solar energy

2. Use of CNG

3. Use of electric cars

4. Burying of plastics instead of burning

Q. Which of the following will be effective in reducing air pollution?

1. Solar energy
2. Use of CNG
3. Use of electric cars
4. Use of petrol

Q.

How can air pollution be reduced?

1. By plantation of trees

2. By using filters in chimneys

3. By using IC engines in the vehicle

4. All of these

Q.

Usage of LPG instead of other materials for household purpose reduces air pollution.

1. True

2. False

Q. Which of these could be effective measures to control air pollution?

1. Using conventional energy sources
2. Cutting down trees
3. Controlling emission from automobiles
4. Controlling gaseous pollutants

Q. Which of the following can be used to reduce air pollution?

1. Using a bicycle for transportation
2. Reducing the use of firecrackers
3. Burning wood
4. Planting more trees

Q.

Which of the following is not a source of air pollution?

1. Coal based power generation plants

2. Volcanoes

3. Chemical factories

4. Forest

Q.

Cleaner fuels produce more pollutants.

1. True

2. False

Q.

Which of the following will be effective in reducing air pollution?

1. Solar energy

2. Use of CNG

3. Use of electric cars

4. All of these

Q. Which of the following cannot be used as a method to reduce air pollution?

1. Using bicycle for transportation
2. Reducing the use of firecrackers
3. Planting more trees
4. Burning garbage in open

Q.

3R refers to:

1. Rest, Realise, Race

2. Realise, Reuse, Recycle

3. Reduce, Reuse, Recycle

4. Rework, Respond, Rest

Q. Which of the following will be effective in reducing air pollution?

1. Using electric cars
2. Using CNG fueled vehicles
3. Avoid burning the trash
4. Bursting of crackers

Q. Shonali wishes to contribute in reducing air pollution. Which vehicle should she use for going to the office?

1. Car
2. Bus
3. Scooter
4. Bicycle

Q. Give one use for the following inert gases:

Q.

Which of the following would not be effective in reducing air pollution?

1. Solar energy

2. Use of CNG

3. All of these

4. Use of electric cars

Q.

Which of these is a way to control air pollution?

1. Alternative fuel

2. Fertilizer

3. Sewage draining

4. Landfill

Q. In some countries, it is compulsory to install smoke detectors in all buildings. If you have to install a smoke detector in a building, where would you install it?

1. Near the door
2. Near an electric switch board, about 4 feet from the floor
3. Near or on the ceiling
4. Nearthe floor