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

UV radiations bring about

Question # 2

Burning of fossil fuels is the main source of pollution

Question # 3

Classical smog occurs in palces of

Question # 4

The amount of oxygen in the lithosphere is about

Question # 5

The pH range of the acid rain is

Question # 6

Air pollution is not caused by

Question # 7

Which is not a method for solid waste management

Question # 8

Pollutant of automobile exhausts that affects nervous system/produces mental diseases is

Question # 9

Soil salinity can be measured by

Question # 10

Phosphate pollution is caused by

Question # 11

Chief source of water and soil pollution is

Question # 12

Minamata disease is due to pollution of

Question # 13

Which factor is helping to reduce the environmental pollution

Question # 14

Exposure to CO results in

Question # 15

Swage water is purified by

Question # 16

SO2and NO2produce pollution by increasing

Question # 17

Which of the following waste material is not recycled for use again

Question # 18

Water pollution is mainly due to

Question # 19

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

Question # 20

Acid rain is due to increase in atmospheric concentration of

Question # 21

Spraying of DDT produces pollution of

Question # 22

Chromium (VI) is highly toxic and can cause

Question # 23

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

Question # 24

Polycyolic aromatic hydrocarbons are taught to be

Question # 25

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

Question # 26

Most hazardous metal pollutant of automobile exhaust is

Question # 27

What is the cause of water pollution

Question # 28

The amount of Si in the lithosphere is about

Question # 29

Which is not a component of environment

Question # 30

Result of ozone hole is

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 SO2and NO2produce pollution by increasing
A. Alkalinity
B. Acidity
C. Neutrality
D. Buffer action
2 Pollutant of automobile exhausts that affects nervous system/produces mental diseases is
A. Mercury
B. Lead
C. Nitrogen oxide
D. Sulphuric oxide
3 A pollutant affects
A. Human health
B. Quality of life
C. Functioning of ecosystem
D. All of these
4 Chloroflurocarbon releases a chemical harmful to ozone
A. Fluorine
B. Chlorine
C. Nitrogen peroxide
D. Sulphure dioxdie
5 Increased asthmatic attacks in certain seasons are related to
A. Inhalation of seasonal pollen
B. Eating of seasonal vegetables
C. Low temperature
D. Wet and dry environment
6 Acid rain is due to increase in atmospheric concentration of
A. Ozone and dust
B. CO2and CO
C. SO3and CO
D. SO2and NO2
7 Fungicides are the pesticides which
A. Control the growth of fungus
B. Kill insects
C. Kill plants
D. Kill herbs
8 Cyclone collector is used for minimizing
A. Radioactive pollution
B. Air pollution
C. Noise pollution
D. Water pollution
9 Shahi Qilla may be destroyed by
A. Flood in Ravi
B. Temperature mediated spoilage of marble
C. Air pollutants from Lahore chemical industries
D. All the above
10 The amount of Si in the lithosphere is about
A. 27.72%
B. 30.35%
C. 35.30%
D. 40.21%

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