M.Sc. (Environmental Science) (Sem (CBCS) Examination, 2017
Fundamental Of Environment
Day Date: Tuesday,18-04-2017 Max Marks: 70
Time: 10.30 AM to 01.00 PM
N.B.: Attempt any five questions.
All Questions carry equal marks.
Question no.1 is compulsory
4)Attempt any two questions from Q.NO.2, 3 and 4
5)Attempt any two questions from Q.No.5, 6 and 7
Q.1 Select the answer among the following 14
Environmental science is also referred to as an interdisciplinary
Filed because
It shows the characteristics of environment
It is basic science
It includes the study of various resources in the world
It incorporates information and ideas from multiple disciplines
the process of evaluating how social, political,
Economic and governing factors affect the natural environmental
when considering development.
Decision making Sustainable development
Environmental planning Environmental monitoring
In the earth atmosphere, the major percentage of ozone id
Present in
Upper stratosphere Lower troposphere
Upper mesosphere Upper thermosphere
Earth's includes the crust and the uppermost mantle,
which constitute the hard and rigid outer layer of the Earth.
Atmosphere mesosphere lithosphere ionosphere
In Earths lithosphere responsible for the subdivision
in two categories.
Chemical characteristics Rock water interactions
Tectonic plates Soil erosion
In the ionosphere the is responsible for the formation of
Auroras in a day time or at evening time.
Ionization of solar radiation Ionization of UV lights
Ozone hole Ionization of ozone molecules
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Ozone depletion is caused by
Nitrous oxides Chlorofluorocarbons
Carbon dioxide Methane
Consider following statement about the estuary
Estuary is place where the river fresh water meets with ocean
Water
II) This area is highly productive
III) This area is highly unproductive
IV) All of the above
I only II only I and II III
Which of following statement is incorrect about the Biosphere?
Biosphere is combination of lithosphere, hydrosphere and
Atmosphere
Biosphere is missing at extreme of north aand south pole
Organism are uniformly present in Biosphere
All of the above
10) Which of the following statement is true about the ecotone?
It is meeting place of two different eco systems
It is meeting place of two same eco system
Density of species is very low here
It is meeting place of river and sea
11) Human population growth curve is a
S shaped curve Parabola cuve
J shaped Zig-zag curve
12) The concept the' population tends to increase geometrically,
while food supply increases arithmetically', was put forward by
Adam Smith Charles Darwin
Thomas Maalthus Stuart Mill
13) What is the most important factor for the success of animal
Population?
natality unlimited food
adaptability interspecies aactivity
14) Which of the following interaction will not promote co-evolution?
commensalism mutualism
parasitism interspecific competition
Q.2 What is atmosphere? Explain its composition in detail? How CO2 is
Responsible for the increase in troposphere temperature near the
earth?
14
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Q.3 What is biosphere? Explain various components of biosphere?
Hydrological Cycle with various process and factors influencing
hydrological cycle?
14
Q.4 What is Ecological Succession? Discuss the types of ecological
succession? Explain the different stages of ecological succession and
discuss its importance in plant biodiversity?
14
Q.5 Write a short note on the following 14
Ecosystem Productivity
Soil erosion
Q.6 Write a brief with suitable illustration on the following 14
Energy flow in terrestrial ecosystem
Difference between biotic and abiotic factors in ecosystem.
Q.7 Write an account on the following 14
Structure and composition of Atmosphere
Concept of ecotone