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Worksheets

National Pollution Control Day

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Suspended particles in the air are known as ?

a)

fume

b)

dust

c)

aerosol

d)

mist

2.

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

a)

automobile exhaust

b)

windmill

c)

burning of firewood

d)

powerplant

3.

Increase in cases of skin cancer and high mutation rate are the result of ?

a)

ozone depletion

b)

acid rain

c)

C02 pollution

d)

air pollution

4.

Name the particulate, which comes out of chimney in form of smoke?

a)

fume

b)

dust

c)

smog

d)

plume

5.

Most polluted river in INDIA is?

a)

Ganga

b)

Chenab

c)

Kaveri

d)

Satluj

6.

Vinyl chloride is a chemical that is widely used in the manufacture of ?

a)

leather

b)

metals

c)

plastic

d)

rubber

7.

Excess of in water causes Minamata

disease ?

a)

mercury

b)

lead

c)

tin

d)

methyl

8.

Dobson units are used to measure?

a)

Thickness of the ozone layer

b)

Loudness of sound

c)

Amount of CFCs in the atmosphere

d)

None of the above

9.

The presence of air pollutant during rain causes?

a)

Low acidity

b)

Neutral conditions

c)

High acidity

d)

None of the above

10.

The toxic substance in the Bhopal gas tragedy was?

a)

NO2 (Nitrogen Dioxide )

b)

SO2 (Sulphur Dioxide)

c)

DDT (Dichlorodiphenyltrichloroethane)

d)

MIC (Methyl isocyanate)

11.

Technological controls for particulates in industry includes?

a)

Scrubbers

b)

Precipitators

c)

Filters

d)

All of the above

12.

Minamata disease was caused by eating fish which had high levels of?

a)

Arsenic

b)

Mercury

c)

Cadmium

d)

All of the above

13.

Sulphur dioxide contributes to the following problems except?

a)

Damage of buildings

b)

Acid Rain

c)

Death of vegetation

d)

Photochemical smog

14.

Bioaccumulation of DDT in birds of prey results in?

a)

Premature breaking of eggs

b)

thin shell of eggs

c)

Both a & b

d)

Neither a nor b

15.

Soil Erosion can be checked by?

a)

Contour Trenches

b)

Bunds

c)

Gabions

d)

All of the above

16.

Waste is classified as hazardous if it is?

a)

Toxic

b)

Corrosive

c)

Reactive

d)

None of the above

e)

All of the above

17.

What is the unit for sound measurement ?

a)

decibel

b)

hertz

c)

meter

d)

sound

18.

In which are the following forms, the waste products are discharged into the biosphere?

?

a)

gaseous

b)

liquid

c)

solid

d)

All of the above

19.

The best way to stop the formation of acid rain?

a)

By reducing the emission of Sulphur dioxide

b)

By reducing the emission of nitrogen

oxides into the atmosphere

c)

By using more natural gases instead of fossil fuels

d)

All of the above

20.

Choose the correct option in reference of organic gas ?

a)

Monoxide

b)

Oxygen

c)

Hydrogen

d)

Ammonia

21.

The temperature decreases with increase in the attitude in which of the following layer?

a)

STRATOSPHERE

b)

TROPOSPHERE

c)

MESOSPHERE

d)

IONOSPHERE

22.

The gravitational force is very less in this layer.

a)

IONOSPHERE

b)

EXOSPHERE

c)

IONOSPHERE

d)

STRATOSPHERE

23.

Which of the following is not a natural contaminant of air?

a)

Water Vapour

b)

Salt particles

c)

pollen grain

d)

Sulphuric Acid

24.

Which among the following is the secondary air pollutants?

a)

Smog

b)

Hydrocarbons

c)

Particulate matter

d)

Nitrogen oxides

25.

Does the air pollution causes the equal effect on all the human beings?

a)

Yes

b)

No

c)

May Be

d)

Not Sure

26.

When the ELR is equal to ALR it is termed as

a)

Super ALR

b)

Sub ALR

c)

Neutral ALR

d)

Lapse Rate

27.

Radiation inversion is more common in the winter season than in summer, because of

a)

shorter days

b)

longer days

c)

longer nights

d)

shorter nights

28.

A phenomenon in the atmosphere, when the reverse or negative lapse rate occurs, in which a dense cold stratum of the air at ground level gets covered by a lighter warmer air at higher level is known as

a)

inversion

b)

Adiabatic lapse rate

c)

Environmental Lapse rate

d)

Stable

29.

Radiation and subsidence inversions both may occur simultaneously, some times. Such a phenomenon is known as

a)

reverse inversion

b)

double inversion

c)

plume raise

d)

Super inversion

30.

The path taken by continuous discharge of gaseous pollutants emitted from a stack or chimney is called

a)

Air Block

b)

Polluted Air

c)

Air pocket

d)

Plume

31.

The branch of science concerned with the process and phenomena of the atmosphere, especially as a means of forecasting the weather is

a)

Air science

b)

Neurology

c)

Meteorology

d)

Astrology

32.

Which of the following is not a meteorological factor?

a)

Pressure

b)

Atmospheric Stability

c)

Temperature

d)

Visibility

33.

An instrument called a pyranometer is used to measure

a)

Temperature

b)

solar radiation

c)

Atmospheric stability

d)

Geographic location

34.

Self-cleansing properties of the temperature, clean and remove the air pollutants in the atmosphere, under various

a)

Artificial process

b)

Man made process

c)

Natural process

d)

Chemical process

35.

The process which takes place only on the surface of the medium is called

a)

Evaporation

b)

Absorption

c)

Adsorption

d)

Transition

36.

The process through which the water droplets are formed is called the

a)

Evaporation

b)

Absorption

c)

Transition

d)

Both A and C

37.

Cyclone Collectors works with the principles of

a)

Gravitational force

b)

Centrifugal force

c)

Both the force

d)

None of the above

38.

It refers to the air quality within and around building and structure, especially as it relates to the health and comfort of building occupants.

a)

Indoor air pollution

b)

Indoor air quality

c)

noise pollution

d)

None of these

39.

Ventilation is one of the major control to be taken to reduce

a)

Air pollution

b)

Indoor air pollution

c)

Noise pollution

d)

Sick building syndrome

40.

A medical condition, where people in a building suffer from symptoms of illness of feel unwell without any specific reason is called

a)

Noise

b)

Indoor air quality management

c)

Sick building syndrome

d)

Air quality degradation

41.

Percentage of carbon dioxide in the atmosphere?

a)

0.04%

b)

0.025%

c)

0.4%

d)

0.05

42.

Which other processes below other than respiration and burning fossil fuels add carbon dioxide into the atmosphere?

a)

Warming of the water in the ocean.

b)

Incomplete combustion of hydrocarbons.

c)

Thermal decomposition of limestone.

d)

Bacterial decomposition of dead plants and animals.

e)

Gases leaving catalytic converters.

43.

How does the increase of greenhouse gases concentration lead to climate change?

a)

They will reflect more infrared radiation back to the earth, making the atmosphere warmer.

b)

They will absorb the radiation from the Sun and the heat energy is radiated from the particles of green house gases.

c)

The earth’s atmophere will be filled with greenhouse gases and the radiation from the sun has no space to be reflected and escaped from the earth.

44.
Acid rain can damage
a)
Drinking water sources
b)
Aquatic life
c)
Architecture/buildings
d)
All options are correct
45.
Combines with water to form acid rain
a)
Nitrogen oxides & sulfur dioxide
b)
Particulate matter & lead
c)
Nitrogen oxides & ground-level ozone
d)
Sulfur dioxide & ground-level ozone
46.
When the air above is warmer than the air below, it is called a
a)
Temperature shift
b)
Temperature change
c)
Temperature or thermal inversion
d)
Temperature reversal
47.
Source of carbon monoxide
a)
Incomplete combustion of fuel
b)
Combustion of fossil fuel
c)
Decomposition of plant and animal matters
48.

Vehicle pollution control device that converts most NOx, VOCs, & Carbon Monoxide to H2O, CO2, & Nitrogen gas.

a)

Wet Scrubber

b)

Bag house filter

c)

Electrostatic Precipitator

d)

Catalytic Converter

e)

Cyclone Separator

49.
This colorless gas is deadly because it binds to your red blood cells instead of oxygen. This deprives your major organs of oxygen and results in death.
a)
Carbon Dioxide
b)
Carbon Monoxide
c)
Sulfur Dioxide
d)
Nitrogen Dioxide
50.

Location of the largest whole in the ozone.

a)

Antarctica

b)

Artic

c)

Iceland

d)

Africa