76.
The tendency of biological systems to resist change and to remain in a state of equilibrium is called
77.
The self purifying capacity of water is unable to purify the water, the reason is:
a
When concentration of suspended particles organic and inorganic substances increases it becomes polluted.
b
When concentration of dissolved substances gets increased it becomes polluted.
c
When the organic matter increased it becomes polluted.
d
When the inorganic matter increases it becomes polluted and unfit for use.
78.
Freshwater ecosystems are nutritionally limited by
79.
The rate of replacement of species along a gradient of habitats pertains to
80.
Which of the following material is not easily broken down?
81.
The validity period of Environmental Clerance after Environmental Impact Assessment is least for
d
Area development projects
82.
Which specific common feature is not found in zooplankton and rabbit?
b
Both are primary consumers
83.
Rio+20 summit was held in
84.
The allochthonous microorganisms of an ecosystem are
a
Indigenous microorganisms
85.
Which of the following organisms can act as primary consumer, secondary consumer, tertiary consumer or scavenger in different types of food chains?
86.
Largest amount of fresh water is present in
87.
Which one of the following is the best description of the term 'Ecosystem'?
a
The flora and fauna of a geographical area
b
A community of organisms interacting with one another.
c
A community of organisms together with the environment in which they live
d
That part of the Earth which is inhabited by living organisms.
88.
Among the following, which one does not belong to EIA process?
a
Establishment of base line environmental condition.
b
Identification, Prediction and assessment of impact.
c
Suggesting the mitigation measures.
d
DevelopingEMSauditing procedures.
89.
Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?
a
Keoladeo Ghana National Park
b
Keibul Lamjao National Park
d
Bhitarkanika National Park
90.
'Black Foot' disease in human beings caused due to use of water contaminated with
