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 amount of oxygen in the lithosphere is about

Question # 2

Shahi Qilla may be destroyed by

Question # 3

Fungicides are the pesticides which

Question # 4

In incinerating the waste is burnt at

Question # 5

Which is not a method for solid waste management

Question # 6

The region of earth capable of supporting life is

Question # 7

Which of the following is not an air

Question # 8

Which of the following human activities are contaminating surface and ground waters

Question # 9

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

Question # 10

Minamata disease is due to pollution of

Question # 11

Increasing skin cancer and high mutation rate are due to

Question # 12

Biodegradable pollutant is

Question # 13

Which gasses are produced from landfills

Question # 14

Increased asthmatic attacks in certain seasons are related to

Question # 15

BOD is

Question # 16

Which one of the following is not air pollutant gas

Question # 17

Eutrophication causes reduction in

Question # 18

Photochemical smog is caused by

Question # 19

Which is not the affect of polluted air on environment

Question # 20

In water the most important oxidizing agent is dissolved molecular oxygen which ranges from

Question # 21

Chief source of water and soil pollution is

Question # 22

The pH range of the acid rain is

Question # 23

Exposure to CO results in

Question # 24

SO2and NO2produce pollution by increasing

Question # 25

Which factor is helping to reduce the environmental pollution

Question # 26

Carbon monoxide is harmful to human beings as it

Question # 27

Ozone in most of the tropical regions acts as a pollutant and causes

Question # 28

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

Question # 29

The % of CO2is the atmosphere is

Question # 30

When rain is accompanied by a thunderstorm, the collected rain water will have a pH value

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 Soil salinity can be measured by
A. Calorimeter
B. Potometer
C. Porometer
D. Conducitvity meter
2 Environmental pollution affects
A. Biotic components
B. Plants only
C. Man only
D. Biotic and abiotic components of environment
3 Spraying of DDT produces pollution of
A. Air
B. Air and water
C. Air and soil
D. Air, water and soil
4 Acid rains are produced by
A. Excess NO2and SO2 from burining fossil fuels
B. Excess production of NH3by industry and coal gas
C. Excess release of carbon monoxide by incomplete combustion
D. Excess formation of CO2by combustion and animal respiration
5 Sulphur dioxide affects
A. Cell wall
B. Plasmodesmata
C. All membrane systems
D. Nucleus
6 Result of ozone hole is
A. Green house effect
B. Global warming
C. Acid rain
D. UV rays reach the earth
7 Chief source of water and soil pollution is
A. Mining
B. Thermal power plant
C. Agro-industry
D. All the above
8 Atmosphere of big/metropolitan cities is polluted most by
A. Automobile exhausts
B. Pesticide residue
C. Household waste
D. Radio-active fall out
9 Minamata disease is due to pollution of
A. Organic waste into drinking water
B. Oil spill in water
C. Industrial waste containing mercury into fishing water
D. Arsenic into the atmosphere
10 Eutrophication causes reduction in
A. Dissolved hydrogen
B. Dissolved oxygen
C. Dissolved salts
D. All the above

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