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MEDIUM
ENGLISH
Agriculture
Which of the following plants shows insecticidal properties
A
Riccinus communis
Option A
B
Iberis amara
Option B
C
Cynodon dactylon
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Agriculture
Keeping the frequency of nuclear tests, it is estimated that on an average the five nuclear powers conducted nuclear tests at the rate of:
A
One test every 20th day
Option A
B
One test every 13th day
Option B
C
One test every 11th day
Option C
D
One test every 9th day
Option D
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MEDIUM
ENGLISH
Agriculture
The ‘blue baby syndrome’ is caused due to pollution by:
A
Chlorides
Option A
B
Cyanides
Option B
C
Fluorides
Option C
D
Nitrates
Option D
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MEDIUM
ENGLISH
Agriculture
Sonic booms’ refer to:
A
Shock waves
Option A
B
Noise of traffic
Option B
C
Noise of siren
Option C
D
Unhearable sound
Option D
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MEDIUM
ENGLISH
Agriculture
The beauty of Taj Mahal is endangered due to:
A
Degradation of marble due to high temperature
Option A
B
Air pollution released from oil refinery
Option B
C
Riparian erosion
Option C
D
Discharge of industrial waste in Yamuna river
Option D
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MEDIUM
ENGLISH
Agriculture
Nitrogen oxides produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to:
A
Photochemical smog
Option A
B
Dry acid deposition
Option B
C
Industrial smog
Option C
D
Wet acid deposition
Option D
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MEDIUM
ENGLISH
Agriculture
The soil pollution is caused as the industrial furnaces throw:
A
CFC, CH4 and SO2
Option A
B
Sulphates of Na, Ca and Fe
Option B
C
Fly ash
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Agriculture
The photochemical smog was first seen in the year:
A
1933
Option A
B
1943
Option B
C
1953
Option C
D
1963
Option D
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MEDIUM
ENGLISH
Agriculture
The term ‘Bio-magnification’ refers to the:
A
Growth of organism due to food consumption
Option A
B
Increase in population size
Option B
C
Blowing up of environmental issues by man
Option C
D
Increase in the concentration of non-degradable pollutants as they pass through food chain
Option D
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MEDIUM
ENGLISH
Agriculture
The classical smog was first observed in the year:
A
1885
Option A
B
1895
Option B
C
1905
Option C
D
1910
Option D
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MEDIUM
ENGLISH
Agriculture
It is thought that the concentration of CO2 by the year 2040 shall reach:
A
400 ppm
Option A
B
500 ppm
Option B
C
475 ppm
Option C
D
450 ppm
Option D
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MEDIUM
ENGLISH
Agriculture
The atmospheric UV radiations are absorbed in the zone called:
A
Troposphere
Option A
B
Stratosphere
Option B
C
Mesosphere
Option C
D
Thermosphere
Option D
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MEDIUM
ENGLISH
Agriculture
It is thought that the concentration of CO2 in the year 1890 was around:
A
245 ppm
Option A
B
275 ppm
Option B
C
215 ppm
Option C
D
230 ppm
Option D
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MEDIUM
ENGLISH
Agriculture
The zone of atmosphere that lies near the ground is:
A
Troposphere
Option A
B
Stratosphere
Option B
C
Homosphere
Option C
D
Heterosphere
Option D
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MEDIUM
ENGLISH
Agriculture
The plants of tobacco and tomato are sensitive to:
A
Ozone
Option A
B
N2O
Option B
C
Ethylene
Option C
D
PAN
Option D
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MEDIUM
ENGLISH
Agriculture
The Minamata disease was first detected in:
A
USA/Korea
Option A
B
Russia
Option B
C
China
Option C
D
Japan
Option D
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MEDIUM
ENGLISH
Agriculture
The PAN blocks:
A
Glycolysis
Option A
B
ATP synthesis
Option B
C
CO2 fixation
Option C
D
Hill reaction
Option D
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MEDIUM
ENGLISH
Agriculture
The river Periyar gets pollution mainly from:
A
Tanneries
Option A
B
Paper factories
Option B
C
Chemical factories
Option C
D
Sugar mills
Option D
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MEDIUM
ENGLISH
Agriculture
The photochemical smog appears:
A
In the mid day
Option A
B
At night
Option B
C
In early morning
Option C
D
At evening
Option D
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MEDIUM
ENGLISH
Agriculture
The automobile emission can be reduced by adding the following in the petrol:
A
Calcium salts
Option A
B
Cobalt salts
Option B
C
Silicon oil
Option C
D
Barium salts
Option D
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