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

Minamata disease is due to pollution of

Question # 2

In incinerating the waste is burnt at

Question # 3

Which factor is helping to reduce the environmental pollution

Question # 4

Chief source of water and soil pollution is

Question # 5

Domestic waste mostly constitutes

Question # 6

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

Question # 7

Ozone layer of stratosphere requires protection from indiscriminate use of

Question # 8

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

Question # 9

In the atmosphere, O2is about

Question # 10

Which is not the affect of polluted air on environment

Question # 11

Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will bot cause water pollution

Question # 12

Which one of the following dissolves more rapidly in blood hemoglobin than oxygen?

Question # 13

Ozone hole refers to

Question # 14

Oceans cove ______ percent of the surface of the earth

Question # 15

Acid rain is due to increase in atmospheric concentration of

Question # 16

Polycyolic aromatic hydrocarbons are taught to be

Question # 17

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

Question # 18

Ultraviolet radiation from sun causes a reaction that produces

Question # 19

Shahi Qilla may be destroyed by

Question # 20

In Antarctica ozone depletion is due to the formation of following compound

Question # 21

Which is not a method for solid waste management

Question # 22

The normal amount of overhead ozone is about

Question # 23

Most hazardous metal pollutant of automobile exhaust is

Question # 24

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

Question # 25

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy

Question # 26

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

Question # 27

Drained sewage has B.O.D

Question # 28

B.O.D is connected with

Question # 29

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

Question # 30

SO2and NO2produce pollution by increasing

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 Ecology is a science of environment and deals specially with
A. Stratosphere
B. Biosphere
C. Lithosphere
D. Hydrosphere
2 Which one is not a pollutant normally?
A. Hydrocarbons
B. Carbon dioxide
C. Carbon monoxide
D. Sulphur dioxide
3 Chief source of water and soil pollution is
A. Mining
B. Thermal power plant
C. Agro-industry
D. All the above
4 DDT is
A. Biodegradable pollutant
B. Nondegradable pollutant
C. Not a pollutant
D. An antibiotic
5 Cyclone collector is used for minimizing
A. Radioactive pollution
B. Air pollution
C. Noise pollution
D. Water pollution
6 Industrial effuents have toxic synthetic organic compounds as well as heavy metals like
A. Pb
B. Cr
C. Hg
D. All of these
7 As it passes into food chain, the concentration of DDT
A. Remains same
B. Decreases
C. Increases
D. Unpredictable
8 Burning of fossil fuels is the main source of pollution
A. Nitrogen oxide
B. Nitric oxide
C. Nitrous oxide
D. Sulphur dioxide
9 The region of earth capable of supporting life is
A. Hydrosphere
B. Lithosphere
C. Biosphere
D. Atmosphere
10 In the atmosphere, CO2is about
A. 0.01%
B. 0.03%
C. 0.05%
D. 0.09%

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