Environmental Issues (NEET) – Online MCQs Test – 2 4


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Online NEET Biology MCQ | NEET MCQ on Environmental Issues (Class 12) | Online MCQ Online Test No. 02

Environmental Issues - Quiz 2

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Question 1
Which one of the following is not normally a pollutant?
A
Carbon monoxide
B
Carbon dioxide
C
Hydrocarbons
D
Sulphur dioxide
Question 2
Contamination of water with sewage is indicated by cysts of
A
Escherichia
B
Escherichia coli
C
Pseudomonas
D
Leishmania
Question 3
Ultraviolet radiation from sunlight causes the reaction that produces
A
Fluorides
B
Ozone
C
Carbon monoxide
D
Sulphur dioxide
Question 4
DDT is a
A
Green house gas
B
Non-degradable pollutant
C
Degradable pollutant
D
None of these
Question 5
Decomposition of domestic wastes under natural processes is called
A
Industrial pollution
B
Thermal pollution
C
Biodegradable pollution
D
Nonbiodegradable pollution
Question 6
Eutrophication causes decrease in
A
Dissolved hydrogen
B
Dissolved salts
C
Dissolved oxygen
D
All of these
Question 7
Escherichia coli used as an indicator organism to determine pollution of water with
A
Industrial effluents
B
Heavy metals
C
Pollen of aquatic plants
D
Faecal matter
Question 8
Eutrophication is often seen in
A
Mountains
B
Deserts
C
Fresh water lakes
D
Ocean
Question 9
Fish die in water polluted by sewage due to
A
Pathogens
B
Reduction in O2
C
Clogging of gills by silt
D
Foul smell
Question 10
Fluoride pollution mainly affects
A
Brain
B
Teeth
C
Heart
D
Kidney
Question 11
Gas leaked during Bhopal tragedy was
A
Ethyl isothiocyanate
B
Sodium isothiocyanate
C
Potassium isothiocyanate
D
Methyl isocyanate
Question 12
Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by
A
The Vienna Convention
B
Rio de Janeiro Conference
C
The Montreal Protocol
D
The Koyoto Protocol
Question 13
Greenhouse effect is caused by
A
Green plants
B
Infrared rays
C
UV rays
D
X-rays
Question 14
Which of the following pollutions forms Heat island?
A
Water
B
Air
C
Land
D
None of these
Question 15
Increase in the concentration of pollutants in higher trophic levels is known as
A
Biomagnification
B
Biodegradation
C
Eutrophication
D
Recycling
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There are 15 questions to complete.


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