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

Sulphur dioxide affects

Question # 2

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

Question # 3

Atmosphere of big/metropolitan cities is polluted most by

Question # 4

Environmental pollution affects

Question # 5

Which causes water pollution?

Question # 6

The amount of Si in the lithosphere is about

Question # 7

The normal amount of overhead ozone is about

Question # 8

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

Question # 9

Which is not a method for solid waste management

Question # 10

Ozone hole refers to

Question # 11

Ozone depletion in stratosphere shall result in

Question # 12

Drawback DDT as presticide is

Question # 13

NO and NO2gases in atmosphere are represented by

Question # 14

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

Question # 15

Carbon monoxide is pollutant as it

Question # 16

As it passes into food chain, the concentration of DDT

Question # 17

Which factor is helping to reduce the environmental pollution

Question # 18

Acid rains are produced by

Question # 19

Swage water is purified by

Question # 20

Photochemical smog is caused by

Question # 21

The amount of oxygen in the lithosphere is about

Question # 22

One of the environmental problem is the formation of oil slicks when oil is spilled from tankers in sea water. Which treatment is suitable to remove oil slicks

Question # 23

The region of earth capable of supporting life is

Question # 24

Which is not a component of environment

Question # 25

Ecology is a science of environment and deals specially with

Question # 26

Depletion of ozone layer is due to

Question # 27

SO2and NO2produce pollution by increasing

Question # 28

Potable water is considered to be

Question # 29

Increasing skin cancer and high mutation rate are due to

Question # 30

Cyclone collector is used for minimizing

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 Which one of the following dissolves more rapidly in blood hemoglobin than oxygen?
A. Ozone
B. Nitrous oxide
C. Sulphure dioxide
D. Carbon monoxide
2 Soil remediation means
A. To make it suitable for cultivation of crops
B. To make it acidic
C. To make it alkeline
D. To add manure into it
3 In the atmosphere, O2is about
A. 10%
B. 15%
C. 21%
D. 25%
4 Which step is unnecessary for purification of water for drinking purposes
A. Aeration
B. Coagulation
C. Treatment with chlorine
D. Treatment with iodine
5 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
6 The region of earth capable of supporting life is
A. Hydrosphere
B. Lithosphere
C. Biosphere
D. Atmosphere
7 Which is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these
8 Which of the following forms a toxic substance in blood by combing with hemoglobin?
A. Carbon dioxide
B. Carbon monoxide
C. Oxygen
D. Methane
9 Which factor is helping to reduce the environmental pollution
A. Rapid growth of population
B. Urbanization
C. Industrialization
D. Increase of plantation
10 Which of the following waste material is not recycled for use again
A. Paper
B. Plastic
C. Hides of animals
D. Glass

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