Pollution of Air and Water Test

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Pollution of Air and Water Test - 32

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is/are damages caused by acid rain?

A
It depletes the nutrients of the soil, increases the acidity of the soil, and reduces fertility.

B
It destroys marine life due to change in pH of the environment.

C
It causes material damage.

D
All of the above
Solution
The damages caused by acid rain are:
It depletes the nutrients of the soil, increases the acidity of the soil, and reduces fertility. These conditions lead to suppressed plant growth.
It destroys marine life due to changes in the pH of the environment, making it unfit for habitation by aquatic animals.
It causes material damage such as corrosion of marbles.
Question 2
1 / -0

Greenhouse effect is necessary for:

A
evaporation of water

B
formation of clouds causing rains

C
evolution of life on earth

D
all of the above

Solution

Greenhouse effect increases the temperature of the surface of the earth and increases its warmth, making it comfortable for living beings to grow and evolve. Also, the water will evaporate at a greater rate and clouds will be formed. Greenhouse effect is a natural phenomenon and is necessary for life.
However, when the greenhouse effect is intensified because of a very high amount of artificially produced greenhouse gases in the atmosphere, it results in global warming and becomes harmful for the earth.
Question 3
1 / -0

Which of the following methods is not a household method used for making drinking water safe?

A
Distillation

B
Boiling

C
Filtration

D
Chlorination

Solution

Boiling, filtration and chlorination are household methods, to make water supplied to our homes fit for drinking. On the other hand, distillation process is used for purification of water on an industrial level.
Question 4
1 / -0

Which of the following measures can be taken up to control air pollution?

A
Planting trees

B
Travelling to school on a bicycle or on public transport or carpooling

C
Restricting cigarette smoking

D
All of the above

Solution

Planting trees can absorb greenhouse gases and other toxic substances from the atmosphere. Travelling to school on a bicycle, etc. will reduce vehicle emissions and restricting cigarette smoking will reduce the smoke and particulate matter.
Question 5
1 / -0

Which of the following gasses contribute to greenhouse effect?

A
$$CO_2$$

B
$$CH_4$$

C
$$CFC$$

D
All of the above

Solution

Greenhouse gases cause the greenhouse effect. The primary greenhouse gases in the earth's atmosphere are carbon dioxide, methane, nitrous oxide, and ozone.
Chlorofluorocarbons (CFCs) are also greenhouse gases.
So, the correct option is $$D$$.
Question 6
1 / -0

Which of the following are greenhouse gases?

A
Carbon dioxide

B
Water vapour

C
Both A and B

D
None of these

Solution

Greenhouse gases are those that contribute to greenhouse effect by absorbing infrared radiation. Carbon dioxide and water-vapour are examples of greenhouse gases.

So, option C is correct.
Question 7
1 / -0

The warming of the earth's surface due to the heat trapping effect of the greenhouse gases is known as:

A
greenhouse effect

B
global warming

C
warming effect

D
All of the above

Solution

The warming of the earth's surfaces due to the heat trapping effect of the greenhouse gases is known as greenhouse effect. Greenhouse gases trap the sun's energy in the atmosphere and increase the temperature of the surface of the earth.

It is easy to get confused between greenhouse effect and global warming. Global warming refers to the increase in global temperature, and is a result of greenhouse effect and climate change, while greenhouse effect is the natural phenomenon occurring as a result of the presence of greenhouse gases.

So, here, the correct option is A.
Question 8
1 / -0

Factories like Mathura Oil Refinery produce pollutants like:

A
sulphur dioxide

B
nitrogen dioxide

C
hydrogen chloride

D

both a and b

Solution

The industries located in and around Agra like rubber processing, automobile, chemicals and especially Mathura Oil Refinery have been responsible for producing pollutants like sulphur dioxide and nitrogen dioxide, which contaminate the environment by producing dissolved acids in the air.
Question 9
1 / -0

The major threat to Taj Mahal is:

A
acid rain.

B
hydrogen peroxide.

C
Both a and b.

D
None of the above.

Solution

Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.
Acid rain corrodes the marble (calcium carbonate) of Taj Mahal. It causes damage to this wonderful structure, causing yellowing of marble.
Question 10
1 / -0

Which of the following is a greenhouse gas?

A
Nitrogen

B
Oxygen

C
Ozone

D
Helium

Solution

Earth’s greenhouse gases trap heat in the atmosphere and warm the planet. The main gases responsible for the greenhouse effect include carbon dioxide, methane, nitrous oxide, and water vapour, CFC, ozone.
Oxygen, nitrogen, and helium are not greenhouse gases.

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Pollution of Air and Water Test - 32

Result

Pollution of Air and Water Test - 32

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SHARING IS CARING

Question 1

It depletes the nutrients of the soil, increases the acidity of the soil, and reduces fertility.

It destroys marine life due to change in pH of the environment.

It causes material damage.

All of the above

Solution

Question 2

evaporation of water

formation of clouds causing rains

evolution of life on earth

all of the above

Solution

Question 3

Distillation

Boiling

Filtration

Chlorination

Solution

Question 4

Planting trees

Travelling to school on a bicycle or on public transport or carpooling

Restricting cigarette smoking

All of the above

Solution

Question 5

$$CO_2$$

$$CH_4$$

$$CFC$$

All of the above

Solution

Question 6

Carbon dioxide

Water vapour

Both A and B

None of these

Solution

Question 7

greenhouse effect

global warming

warming effect

All of the above

Solution

Question 8

sulphur dioxide

nitrogen dioxide

hydrogen chloride

both a and b

Solution

Question 9

acid rain.

hydrogen peroxide.

Both a and b.

None of the above.

Solution

Question 10

Nitrogen

Oxygen

Ozone

Helium

Solution

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