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Environmental Sciences
- Online Test
Environmental Sciences
TEST : 1
# Environmental Sciences
# Basic science
Prepare / Learn
Q1.
What percentage of land area should remain covered by forest to maintain Ecological balance?
A.
10%.
B.
5%.
C.
33%.
D.
None of these.
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q2.
Full form of CTBT is;
A.
Comprehensive Test Ban Treaty.
B.
Comprehensive Test Bank Trust.
C.
Comprehensive Trust Ban Treaty.
D.
Comprehensive Test Ban Trusty.
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q3.
Full form of BOD is;
A.
Bactorial Oxygen Demand.
B.
Biological Oxygen Demand.
C.
Biological Oxide Demand.
D.
None of these.
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Answer :
Option B
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q4.
In Atmosphere nitrogen consists of;
A.
25%.
B.
12%.
C.
92%.
D.
78%.
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Answer :
Option D
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q5.
Full form of COD is;
A.
Chemical Oxide Demand.
B.
Chemical Oxygen Demand.
C.
Chemical Ozone Demand.
D.
None of these.
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Answer :
Option B
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q6.
The disease "Itai Itai" is caused by;
A.
Manganize.
B.
Carbon.
C.
Cadmium.
D.
None of these.
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q7.
Human being can hear range of sound frequency between;
A.
20-20,000 Hertz.
B.
10-1,000 Hertz.
C.
1-100 Hertz.
D.
None of these.
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q8.
Environmental Protection Act enacted on;
A.
1980.
B.
1978.
C.
1986.
D.
1991.
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q9.
First International Conference on environment held on;
A.
March,1968.
B.
March,1970.
C.
June,1970.
D.
June,1972.
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Answer :
Option D
Explaination / Solution:
No Explaination.
# Environmental Sciences
# Basic science
Prepare / Learn
Q10.
With respect to environment science, full form of SPM is;
A.
Suspended Partial Matter.
B.
Suspended Particulate Matter.
C.
Suspended Pollutant Matter.
D.
None of these.
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Answer :
Option B
Explaination / Solution:
No Explaination.
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