61.
One of the ex situ conservation methods for endangered species is
A
Wildlife Sanctuaries
B
Biosphere Reserves
C
Cryopreservation
D
National Parks
Answer :
Cryopreservation
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62.
The Taj Mahal is threatened due to the effect $$o$$
A
oxygen
B
hydrogen
C
chlorine
D
sulphur dioxide
Answer :
sulphur dioxide
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63.
Formation of ozone hole is maximum over
A
India
B
Europe
C
Antarctica
D
Africa
Answer :
Antarctica
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64.
Lion is kept under in Etolian pyramid as
A
Producer
B
Primary consumer
C
Secondary consumer
D
Tartiary consumer
Answer :
Tartiary consumer
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65.
The study of Interaction between living organisms and environment is called
A
Ecosystem
B
Phytology
C
Phytogeography
D
Ecology
Answer :
Ecosystem
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66.
Spraying of DDT produces pollution of
A
Air only
B
Air and soil only
C
Air, soil and water
D
Airand water only
Answer :
Air, soil and water
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67.
The most common indicator organism that represents polluted water is
A
E. coli
B
P. typhi
C
C. vibrio
D
Entamoeba
Answer :
E. coli
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68.
Fish die in water bodies polluted by sewage due to
A
pathogens
B
clogging of gills by silt
C
reduction in oxygen
D
foul smell
Answer :
reduction in oxygen
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69.
Which of the following atmospheric pollutants is not produced by t he exhaust of motor is not produced by t he exhaust of motor vehicle in Delhi
A
SO2
B
Hydrocarbon gases
C
Fly ash
D
CO
Answer :
Fly ash
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70.
Environmental Planning organisation is
A
CSIR
B
CEPHERI
C
ICAR
D
NEERI
Answer :
NEERI
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