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

Water pollution is mainly due to

Question # 2

Most hazardous metal pollutant of automobile exhaust is

Question # 3

Soil remediation means

Question # 4

In incinerating the waste is burnt at

Question # 5

Carbon monoxide is harmful to human beings as it

Question # 6

Chloroflurocarbon releases a chemical harmful to ozone

Question # 7

The toxic organic compounds and heavy metals and metalloids results in contamination of

Question # 8

Which gas is not a constituent of atmosphere

Question # 9

Which one is the major reason for pollution in high cities?

Question # 10

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

Question # 11

Air pollution is not caused by

Question # 12

Drawback DDT as presticide is

Question # 13

A pollutant affects

Question # 14

The % of CO2is the atmosphere is

Question # 15

Biodegradable pollutant is

Question # 16

Which of the following is not an air

Question # 17

Phosphate pollution is caused by

Question # 18

Chromium (VI) is highly toxic and can cause

Question # 19

Which of the following forms a toxic substance in blood by combing with hemoglobin?

Question # 20

The region of earth capable of supporting life is

Question # 21

The amount of oxygen in the lithosphere is about

Question # 22

Classical smog occurs in palces of

Question # 23

Eutrophication causes reduction in

Question # 24

Which one is not a pollutant normally?

Question # 25

Cyclone collector is used for minimizing

Question # 26

SO2Makes ______ acid rains

Question # 27

Which is not a method for solid waste management

Question # 28

Which one of the following is not air pollutant gas

Question # 29

Sulphur dioxide affects

Question # 30

Pollution is

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 The 95.5% mass of Lithosphone is made of 11 elements i.e. O2, Si, Al, Fe, Ca, Na, K, Mg, Ti, H2and P. which element is present in trace amount
A. Iodine
B. Bromine
C. Lead
D. Carbon
2 Atomospheric pollutant is
A. CO2
B. CO
C. O2
D. N2
3 Ozone in most of the tropical regions acts as a pollutant and causes
A. Damages to eyes
B. Aggravates asthma
C. Chest discomfort
D. All of these
4 Ozone hole refers to
A. Hole in ozone layers
B. Reduction in thickness of ozone layer in stratosphere
C. Reduction of thickness of ozone in troposphere
D. Increase concentration of ozone
5 UV radiations bring about
A. Skin cancer
B. Mouth cancer
C. Lung cancer
D. Liver cancer
6 Depletion of ozone layer is due to
A. Oxides of nitrogen
B. Oxides of carbon
C. Oxides of sulphur
D. None of the above
7 NO and NO2gases in atmosphere are represented by
A. NO
B. NO4
C. NOx
D. NxOy
8 In Antarctica ozone depletion is due to the formation of following compound
A. Acrolein
B. Peroxy acetyl nitrate
C. SO2and SO3
D. Chlorine nitrate
9 Ultraviolet radiation from sun causes a reaction that produces
A. Fluorides
B. Carbon monoxide
C. Sulphur dioxide
D. Ozone
10 Water pollution is mainly due to
A. Sulphure dioxide
B. Carbon dioxide
C. Oxygen
D. Industrial discharges

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