ECAT Pre Engineering Chemistry Chapter 27 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

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ECAT Chemistry Chapter 27 Environmental Chemistry

00:00
Question # 1

The pH of the rain water in areas where acid rain is the cause of pollution may be

Question # 2

Exposure to CO results in

Question # 3

Minamata disease is due to pollution of

Question # 4

Fungicides are the pesticides which

Question # 5

SO2Makes ______ acid rains

Question # 6

Increasing skin cancer and high mutation rate are due to

Question # 7

Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water

Question # 8

Which one of the following is not air pollutant gas

Question # 9

Atomospheric pollutant is

Question # 10

The film forming components of paints are

Question # 11

The % of CO2is the atmosphere is

Question # 12

Which is not a method for solid waste management

Question # 13

Potable water is considered to be

Question # 14

Soil remediation means

Question # 15

In the atmosphere, CO2is about

Question # 16

Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as

Question # 17

Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due

Question # 18

As it passes into food chain, the concentration of DDT

Question # 19

Chloroflurocarbon releases a chemical harmful to ozone

Question # 20

Acid rains are produced by

Question # 21

The region of earth capable of supporting life is

Question # 22

In incinerating the waste is burnt at

Question # 23

The amount of oxygen in the lithosphere is about

Question # 24

Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?

Question # 25

Which heavy metals do not have any safe limits

Question # 26

Ozone hole refers to

Question # 27

Eutrophication causes reduction in

Question # 28

Shahi Qilla may be destroyed by

Question # 29

BOD is

Question # 30

Water pollution is mainly due to

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 The % of CO2is the atmosphere is
A. 3.0%
B. 0.03%
C. 0.3%
D. 0.5%
2 Which one of the following is not air pollutant gas
A. CO
B. CO2
C. NO
D. SO2
3 Swage water is purified by
A. Microorganisms
B. Light
C. Fishes
D. Aquatic plants
4 Atmosphere of big/metropolitan cities is polluted most by
A. Automobile exhausts
B. Pesticide residue
C. Household waste
D. Radio-active fall out
5 To purify water which has mud dissolved in it, A substance which coagulates the suspended particles is used. The coagulant may be
A. Ag+
B. Cu2+
C. Al3+
D. Si4+
6 Environmental pollution affects
A. Biotic components
B. Plants only
C. Man only
D. Biotic and abiotic components of environment
7 Contamination of Hg comes into surface water from chlor industrial wastes. Why is Hg toxic
A. It attaches to sulphur of the disulphide link
B. Hg is a heavy metal
C. Hg is liquid at room temperature
D. Hg is non reactive chemically
8 Air pollution is not caused by
A. Pollen grains
B. Hydroelectric power
C. Industries
D. Automobiles
9 A pollutant affects
A. Human health
B. Quality of life
C. Functioning of ecosystem
D. All of these
10 Burning of fossil fuels is the main source of pollution
A. Nitrogen oxide
B. Nitric oxide
C. Nitrous oxide
D. Sulphur dioxide

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