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Chapter 13: Environmental Issues
- Online Test
Chapter 13: Environmental Issues
TEST : 2
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q1.
The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:
A.
Hydrogen
B.
Carbon
C.
Chlorine
D.
Fluorine
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q2.
SMOG is derived from :
A.
Smoke
B.
Fog
C.
Both A and B
D.
Only A
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q3.
Excess of fluoride in drinking water causes:
A.
Lung disease
B.
Intestinal infection
C.
Fluorosis
D.
None of the above
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q4.
DB is a standard abbreviation used for the quantitative expression of
A.
The density of bacteria in a medium
B.
A particular pollutant
C.
The dominant bacillus in a culture
D.
A certain pesticide
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Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q5.
Which one of the following expanded forms of the following acronyms is correct?
A.
UNEP : United Nations Environmental Policy
B.
EPA : Environmental Pollution Agency
C.
IUCN : International Union for Conservation of Nature and Natural Resources
D.
IPCC : International Penal for climate Change
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q6.
In an area where DDT had been used extensively the population of birds declined significantly because
A.
Birds stopped laying eggs
B.
Earthworms in the area got eradicated.
C.
Cobras were feeding exclusively on birds.
D.
Many of the birds eggs, laid, did not hatch.
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Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q7.
Which one of the following is a wrong statement?
A.
Most of the forests have been lost in tropical areas.
B.
Ozone in upper part of atmosphere is harmful to animals.
C.
Greenhouse effect is natural phenomenon
D.
Eutrophication is a natural phenomenon in freshwater bodies.
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Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q8.
Measuring Biochemical Oxygen Demand (BOD) is a method used for
A.
Estimating the amount of organic matter in sewage water.
B.
Working out the efficiency of oil driven automobile engines.
C.
Measuring the activity of saccharomyces cerevisiae in producing curd on a commercial scales
D.
Working out the efficiency of RBCs about their capacity to carry oxygen
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q9.
Kyoto Protocol was endorsed at
A.
CoP-3
B.
CoP-5
C.
CoP-6
D.
CoP-4
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 13: Environmental Issues
# TN 12th Zoology
Prepare / Learn
Q10.
A scrubber in the exhaust of a chemical industrial plant removes
A.
Gases like sulphur dioxide.
B.
Particulate matter of the size 5 micrometer or above.
C.
Gases like ozone and methane
D.
Particulate matter of the size 2.5 micrometer or less
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
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