Ecology, Biodiversity Conservation and Environmental Issues

Ramya_naidu

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Ecology, Biodiversity Conservation and Environmental Issues mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
46.
'Double digging' is a method of

a
Bio-intensive agriculture
b
Aforestation
c
Deforestation
d
Water conservation

47.
The term of Kyoto Protocol has been extended beyond December 2012 by

a
5 years
b
7 years
c
8 years
d
3 years

48.
Which region among the following is not Atmospheric Brown Cloud (ABC) hotspot?

a
East-Asia
b
AmazonBasininSouth America
c
South Africa
d
Australia

49.
An increase of one unit of Richter Scale represents an increase in amplitude by a factor of

a
10
b
100
c
1000
d
2

50.
Which of the following chemicals of anthropogenic origin mimics the effect of estrogen in animals?

a
Alkyl phenol
b
Polychlorinated biphenyl
c
O, p' - DDT
d
All the above

51.
Variety of different species, genetic variability among individuals within each species and variety of ecosystems constitute the so called

a
Genetic diversity
b
Ecological diversity
c
Biological diversity
d
Species diversity

52.
Raunkiaer's normal biological spectrum for phanerogamic flora of the world exhibits one of the following sequences of occurrence ( %) of different life forms.

a
Phanerophytes, Hemicryptophytes, Therophytes, Cryptophytes, Chaemophytes.
b
Phanerophytes, Hemicryptophytes, Cryptophytes, Chaemophytes, Therophytes.
c
Phanerophytes, Chaemophytes, Hemicryptophytes, Cryptophytes, Therophytes.
d
Phanerophytes, Hemicryptophytes, Therophytes, Chaemophytes, Cryptophytes.

53.
In which year Wildlife Protection Act was enacted?

a
1962
b
1972
c
1992
d
1982

54.
Global Warming Potential (GWP) of a greenhouse gas (GHG) is a comparison of global warming impact between

a
1 kg of GHG and 1 kg of CFC-11
b
1 kg of GHG and 1 kg of CO2
c
1 kg of GHG and 1 kg of methane
d
1 kg of GHG and 1 kg of N2O

55.
What is Eco mark?

a
Label given to recycled products
b
Label given to an environment friendly products
c
Label given to non-recyclable products
d
Land mark indicating the boundaries of bio-parks

56.
Which of the following categories of plants get benefited more due to elevation of CO2 level?

a
C3plants
b
C4plants
c
CAM plants
d
All of the above

57.
How many mega-bio-diverse countries have been identified in the world?

a
35
b
2
c
17
d
12

58.
The Stockholm Convention is a global treaty to protect humans from

a
Toxic gases
b
Carbon monoxide
c
Persistent organic pollutants
d
Hospital acquired infections

59.
Acid drainage is more in mining of

a
Granite
b
Bauxite
c
Lime stone
d
Base metal sulphide

60.
REDD stands foR

a
Recurring Emission from Deforestation andForestDegradation
b
Reducing Environmental Degradation andForestDegradation
c
Reducing Emissions from Deforestation andForestDegradation
d
Reducing Emissions from Degradable Deposits of Wastes

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