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

SO2Makes ______ acid rains

Question # 2

Pick up the correct statement

Question # 3

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

Question # 4

Eutrophication causes reduction in

Question # 5

Atomospheric pollutant is

Question # 6

Shahi Qilla may be destroyed by

Question # 7

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

Question # 8

Sulphur dioxide affects

Question # 9

In the atmosphere, CO2is about

Question # 10

Soil remediation means

Question # 11

Drawback DDT as presticide is

Question # 12

The amount of Si in the lithosphere is about

Question # 13

Oceans cove ______ percent of the surface of the earth

Question # 14

Burning of fossil fuels is the main source of pollution

Question # 15

Soil salinity can be measured by

Question # 16

Which one is the most toxic?

Question # 17

Atmosphere of big/metropolitan cities is polluted most by

Question # 18

Which of the following is not an air

Question # 19

Phosphate pollution is caused by

Question # 20

Exposure to CO results in

Question # 21

Most hazardous metal pollutant of automobile exhaust is

Question # 22

What is the cause of water pollution

Question # 23

Ultraviolet radiation from sun causes a reaction that produces

Question # 24

Mottling of teeth is due to presence of an element in drinking water

Question # 25

Ozone depletion in stratosphere shall result in

Question # 26

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

Question # 27

Fungicides are the pesticides which

Question # 28

Industrial effuents have toxic synthetic organic compounds as well as heavy metals like

Question # 29

The pH range of the acid rain is

Question # 30

The amount of oxygen in the lithosphere is about

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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 Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as
A. Environment
B. Hydrosphere
C. Pollutant
D. Biosphere
3 Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?
A. Fullerences
B. Freons
C. Polyhalogens
D. Ferrocene
4 Classical smog occurs in palces of
A. Excess SO2
B. Low temperature
C. High temperature
D. Excess NH3
5 Oceans cove ______ percent of the surface of the earth
A. 60
B. 70
C. 80
D. 97
6 Environmental pollution affects
A. Biotic components
B. Plants only
C. Man only
D. Biotic and abiotic components of environment
7 UV radiations bring about
A. Skin cancer
B. Mouth cancer
C. Lung cancer
D. Liver cancer
8 Ozone depletion in stratosphere shall result in
A. Forest fires
B. Increased incidence of skin cancer
C. Global warming
D. None of the above
9 The pH of the rain water in areas where acid rain is the cause of pollution may be
A. 6.5
B. 5.6
C. 4.5
D. 2.2
10 Which is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these

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