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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