Air Pollution Test

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Air Pollution Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is a greenhouse gas?

A
SO₂

B
CO₂

C
NO₂

D
CO

Solution

CO₂ is a greenhouse gas because it traps some of the energy radiated by the Earth and does not allow it to escape.
Question 2
1 / -0

Which of the following are the effects of acid rain?

I. It harms aquatic animals and plants
II. Leads to acidification of the soil
III. Causes corrosion of sculptures, monuments and buildings

A
Only I and II

B
Only II and III

C
Only I and III

D
All I, II and III

Solution

All the effects listed are consequences of acid rain.
Acid rain makes water as well as the soil acidic.

It harms the aquatic plants and animals.
The acid reacts with the minerals and corrodes sculptures, monuments and buildings.
Question 3
1 / -0

Which of the following pollutants contribute to the formation of smog?

a. Sulphur dioxide
b. Nitrogen oxide
c. Carbon monoxide
d. Carbon dioxide

A
a and c

B
a and b

C
b and c

D
b and d

Solution

Sulphur dioxide and nitrogen oxide contribute to the formation of smog.
It causes poor visibility and also causes respiratory problems.
Question 4
1 / -0

Which of the following pollutants is/are a cause of depletion of the ozone layer of the upper atmosphere?CFCs

A
CFCs

B
Suspended particulate matter

C
Sulphur dioxide

D
Nitrogen oxide

Solution

Pollution from CFCs is depleting the ozone layer of the upper atmosphere.
These breakdown in the upper parts of the atmosphere and interact with the ozone in the stratosphere.
Question 5
1 / -0

What is the term used to describe the rise in the average temperature of Earth's atmosphere?

A
Global warming

B
Acid rain

C
Ozone depletion

D
Greenhouse effect

Solution

The increase in the average temperature of Earth's atmosphere due to the presence of gases like carbon dioxide, methane, nitrous oxide is termed as global warming.
These gases are referred to as green house gases.
Question 6
1 / -0

Which of the following gases is acidic in nature?

A
Oxygen

B
Nitrogen dioxide

C
Nitrogen

D
Helium

Solution

Nitrogen dioxide is acidic in nature.
Question 7
1 / -0

Which of the following activities causes air pollution?

A
Planting of trees

B
Taking measures to reduce smoke

C
Using unleaded petrol

D
Burning of fossil fuels

Solution

Burning of fossil fuels like coal and petroleum products is the main cause of air pollution.
Question 8
1 / -0

Which of the following gases is not an air pollutant?

A
N₂

B
NO₂

C
SO₂

D
CO

Solution

Nitrogen (N₂) is a natural constituent of air an comprises 78% of it.
It is not an air pollutant.
Question 9
1 / -0

Which of the following statements is correct?

A
Ozone is a non-toxic gas.

B
The ozone layer protects the surface of Earth from infrared rays.

C
Ozone hole is a region of marked thinning of the ozone layer at high altitudes.

D
Ozone is present in the mesosphere.

Solution

Ozone hole is a region of marked thinning of the ozone layer at higher altitudes. It is a toxic gas and the ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation.
Question 10
1 / -0

Which of the following combine to form smog?

(i) Smoke
(ii) CFCs
(iii) Fog
(iv) Dust

A
(i) and (ii)

B
(i) and (iii)

C
(i) and (iv)

D
(iii) and (iv)

Solution

Smog is formed in cold weather by the combination of smoke and fog.
Question 11
1 / -0

A catalytic converter is a pollution control device used in automobile engines.

Presence of which of the following pollutants in the air can be checked by installing this device?

A
CO

B
Oxides of nitrogen

C
Hydrocarbons

D
All of the above

Solution

A catalytic converter is a device that uses a catalyst to convert the following three harmful compounds in the automobile exhaust into harmless compounds:
(i) Hydrocarbons (cause smog)
(ii) Carbon monoxide (causes respiratory problems)
(iii) Nitrogen oxides (cause smog and acid rain)
Question 12
1 / -0

Which of the following are the direct consequences of air pollution?

(i) Respiratory irritants in air
(ii) Toxic chemical in groundwater
(iii) Excessive amount of biological agents in water bodies
(iv) Smog
(v) Acid rain

A
(i), (iv) and (v)

B
(i) and (ii)

C
(i), (ii) and (iii)

D
(ii), (iii) and (v)

Solution

Acid rain, smog, and presence of gases and particles in air which are harmful and cause respiratory problems are the direct consequences of air pollution.
Presence of toxic chemical in groundwater and excessive amount of biological agents in water bodies is due to water pollution.
Question 13
1 / -0

Burning of fossil fuels, dust, particulate pollutants like mist, spray and fumes are the main cause of

A
water pollution

B
air pollution

C
noise pollution

D
land pollution

Solution

Burning of fossil fuels adds oxides of sulphur, unburnt hydrocarbons, smoke, oxides of carbon, oxides of nitrogen to the air.
These along with dust, particulate pollutants like mist, spray and fumes are the main cause of air pollution resulting in irritation in eyes, headache, confusion, and respiratory problems.
Question 14
1 / -0

Which country is responsible for the highest amount of carbon emissions in the world?

A
India

B
China

C
European Union

D
U.S.A.

Solution

According to the report from World Resources Institute, the highest amount of carbon emissions is from China due to the excessive use of coal.

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Air Pollution Test - 3

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Air Pollution Test - 3

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SHARING IS CARING

Question 1

SO2

CO2

NO2

CO

Solution

Question 2

Only I and II

Only II and III

Only I and III

All I, II and III

Solution

Question 3

a and c

a and b

b and c

b and d

Solution

Question 4

CFCs

Suspended particulate matter

Sulphur dioxide

Nitrogen oxide

Solution

Question 5

Global warming

Acid rain

Ozone depletion

Greenhouse effect

Solution

Question 6

Oxygen

Nitrogen dioxide

Nitrogen

Helium

Solution

Question 7

Planting of trees

Taking measures to reduce smoke

Using unleaded petrol

Burning of fossil fuels

Solution

Question 8

N2

NO2

SO2

CO

Solution

Question 9

Ozone is a non-toxic gas.

The ozone layer protects the surface of Earth from infrared rays.

Ozone hole is a region of marked thinning of the ozone layer at high altitudes.

Ozone is present in the mesosphere.

Solution

Question 10

(i) and (ii)

(i) and (iii)

(i) and (iv)

(iii) and (iv)

Solution

Question 11

CO

Oxides of nitrogen

Hydrocarbons

All of the above

Solution

Question 12

(i), (iv) and (v)

(i) and (ii)

(i), (ii) and (iii)

(ii), (iii) and (v)

Solution

SO₂

CO₂

NO₂

N₂

NO₂

SO₂