Measures to Reduce Air Pollution

Q.

Give the full form of LPG and CNG

Q.

List some activities you can do to reduce your carbon footprint.

Q.

Given below are two statements:

Statement 1: An allotrope of oxygen is an important intermediate in the formation of reducing smog.

Statement 2:Gases such as oxides of nitrogen and sulphur present in the troposphere contribute to the formation of photochemical smog.

1. Statement 1 and statement 2 are true

2. Statement 1 is true about statement 2 is false

3. Both statement 1 and statement 2 are false

4. Statement 1 is false but statement 2 is true

Q. Which among the following is the cleanest fuel?

1. hydrogen gas
2. cow dung cake
3. petrol
4. kerosene

Q.

Petroleum ________ are a major source of ________ pollutants like ________ and ________.

Q.

What Are Sustainable Habits?

Q. List actions you can take to reduce the usage of fossil fuels.write in points.

Q.

Combustion of fossil fuels generates a lot of air pollution. Can you suggest any two alternative sources of energy which do not cause any pollution?

Q. ___ is the sharing of car rides so that more than one person travel in the car, mainly to reduce fuel consumption.

Q. At an individual level, how can you help reduce air pollution?
[4 marks]

Q.

Combustion of fossil fuels generates a lot of air pollution. Can you suggest any two alternative sources of energy that do not cause any pollution?

Q. The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is​

1. Air pollution​
2. Water pollution ​
3. Soil pollution ​
4. Noise pollution ​

Q.

What is the difference between CNG and cooking gas?

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

Q. At an individual level, how can you help reduce air pollution?
[5 marks]
[NCERT Q.2]
[Prevention of air pollution]

Q.

Cleaner fuels produce more pollutants.

1. True

2. False

Q.

is burning of wood is cleaner than using natural gas or fuel?

Q.

Give the composition of LPG. Why is it considered a better fuel than coal?

Q.

How can you help reduce air pollution at the individual level ?

Q. List down some methods to control air pollution.

Q.

What is diffrent between CNG AND LPG

Q. The concept of 'Reduce, Reuse and Recycle' helps us to:

1. minimize the dependence on producing new things
2. minimize the amount of waste generated
3. maximize the dependence on producing new things
4. All of the above.

Q. Natural gas is mostly made up of ______.

1. LPG
2. Methane
3. Propane
4. Butane

Q.

State the full form of LPG and CNG? How are the two differ in their composition?

Q.

Cleaner fuels that should be used by industries and automobiles are:

1. LPG

2. Unleaded petrol

3. All of these

4. CNG

Q. Incomplete combustion of petrol or diesel oil in automobile engines can be best detected by testing the fuel gases for the presence of __________.

1. carbon monoxide
2. carbon monoxide and water vapour
3. nitrogen dioxide
4. sulphur dioxide

Q. Boojho wishes to contribute to reducing air pollution. Which vehicle should be used for going to school?

1. Car
2. Auto rickshaw
3. School bus
4. Scooter

Q. Which among the given help to reduce air pollution ?

1. Use of crackers
2. Planting trees
3. Use of bicycles
4. Electric cars
5. Carpooling
6. Private vehicles
7. Use of CNG
8. Unleaded petrol

Q. Modes of controlling pollution in large cities include(s):

1. less use of insecticides.
2. proper disposal of organic wastes, sewage and industrial effluents.
3. shifting of factories out of the residential area.
4. all the above

Q. Combustion of fossil fuels generates a lot of air pollution. Can you suggest any two alternative sources of energy which do not cause any pollution?