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Environmental Pollution_1

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

___________ may be defined as addition of undesirable material into

the environment as a result of human activities

a)

Pollutants

b)

Pollution

c)

Environment

d)

Surrounding

2.

The agents which cause environmental

pollution are called __________

a)

pollutants.

b)

Particles

c)

Pollution

d)

Smoke

3.

(a)   may be defined as a physical, chemical or

biological substance unintentionally released into the environment which is directly or

indirectly harmful to humans and other living organisms.

4.

Pollution may be of the following types

a)

Water

b)

Air

c)

Thermal

d)

Radiation

e)

Noise

5.

Air pollution is a result of industrial and certain domestic activity

a)

True

b)

False

6.

Air pollutants are of two types

a)

gaseous

pollutants like carbon dioxide

b)

Solide particles

c)

suspended particulate matter,

d)

Liquid particles

7.

Full form of. SPM

a)

Suspension particles material

b)

suspended participate matter

c)

Solid particles matter

8.

______________ is ejected mostly by thermal power plants as by products of coal burning operations.

a)

Fly ash

b)

Soot particles

c)

Smoke

d)

Smog

9.

Fly ash pollutes air and water and may cause heavy metal pollution in water bodies

a)

True

b)

False

10.

bodies. Fly

ash affects ____________ as a result of its direct deposition on leaf surfaces or indirectly

through its deposition on soil.

a)

Land

b)

Animals

c)

vegetation

d)

Air

11.

Full Form of TEL

a)

Tetraethyl lead

b)

Tetra lithium

c)

Tetracycline Lead

d)

Tetraethyl Lithium

12.

____________ (TEL) is used as an anti-knock agent in petrol for smooth and easy running

of vehicles.

a)

Ethanol

b)

Diesel

c)

Tetraethyl lead

d)

Tetra Lithium

13.

_________ mixed with water and food can create cumulative poisoning.

a)

Copper

b)

Nickel

c)

Lithium

d)

Lead

14.

Full Form of VOC

a)

Valuable Organic Carbon

b)

volatile organic compounds

c)

Volatile organic Carbon

d)

Volatile Oxygen compounds

15.

Full Form of CNG

a)

Compressed nitrogen gas

b)

Carbon Natural compounds

c)

Compressed Natural Gas

d)

Compression Natural Gases

16.

Poor ventilation due to faulty design of buildings leads to pollution of the confined space.

a)

True

b)

False

17.

Charcoal is a comparatively cleaner fuel

a)

True

b)

False

18.

Those species of trees such as _________ (Acacia nilotica) which are least smoky should be

planted and used

a)

baval

b)

Money plant

c)

Aloe vera

d)

Tulsi

19.

Full Form of LNG

a)

Liquefied nitrogen gas

b)

Liquid nitrogen gas

c)

liquefied natural gas

20.

______ remove particulate matter from the gas stream.

a)

Frames

b)

Fillers

c)

Filters