Smog

Q.

What is Classical smog ?

1. Dark brown smog

2. Yellow brown smog

3. Los angeles smog

4. Smog with secondary pollutants

Q.

What are the main sources of air pollution in cities? [2 MARKS]

Q.

___ is the combination of smoke and fog.

1. Cloud

2. Smog

3. Mist

4. Flyash

Q.

In November 2016, the national capital city, New Delhi faced a severe increase in air pollution levels which continued for more than 2 weeks. Identify the major contributors to this situation from the below-given options.

1. True

2. False

3. Burning of stubble (crop residue) in the nearby farming villages

4. Cigarette smoking

Q. What is the correct combination that makes up smog?

1. Fog and dust
2. Smoke and fog
3. Smoke and dust
4. Dust and gases

Q. The government set up Central Pollution Control Board in the year .

1. 1970
2. 1974
3. 1978
4. 1980

Q. Identify the correct statement for smog.

1. Classical smog is a mixture of oxides of sulphur with fog.
2. Classical smog is also known as London smog.
3. Photo chemical smoke is made up of nitrogen oxides and other chemical compounds.
4. All the above.

Q. What are the main sources of air pollution in cities? [2 MARKS]

Q. Which of the following will not cause any atmospheric pollution?

1. Hydrogen
2. Sulphur dioxide
3. Carbon dioxide
4. Carbon monoxide

Q.

In November 2016, the national capital city, New Delhi faced a severe increase in air pollution levels which continued for more than 2 weeks. Identify the major contributors to this situation from the below-given options.

1. True

2. False

3. Burning of stubble (crop residue) in the nearby farming villages.
4. Cigarette smoking

Q. Select the correct match of air pollution source with the type of pollutant and the effect it produces.

1. Chemical factory $\to {NO}_2\to$ Ozone hole
2. Automobile exhaust $\to N_{2}O\to$ Asphyxia effect
3. Heavy industry $\to {CO}_2\to$ Acid rain
4. Incinerators $\to {NO}_{x}gases\to$ Photochemical smog

Q. [TBQ.1(a, b, c, d)]
Following are some statement about pollution which type of pollution do those express?

a) Fog seems to be appearing in Delhi during day hours.

b) Many times, vomiting and dysentery occurs after eating 'pani puri'

c) Problem of sneezing occurs sometimes during visit to garden.

d)Crop does not grow up in some areas.

Q. Smog is formed of

1. Smoke and water
2. Dew and dust particles
3. Dust particles and water vapours
4. Smoke and fog