M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Environmental Science
FUNDAMENTALS OF ENVIRONMENT
Day Date: Thursday,16-11-2017 Max Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Attempt any five questions.
All Questions carry equal marks.
Question no.1 is compulsory
Attempt any two questions from Q.NO.2, 3 and 4
Attempt any two questions from Q.No.5, 6 and 7
Q.1 Select the answer among the following. 14
is the discipline in philosophy that studies the moral relationship
of human beings to, and also the value and moral status of, the
environment and its non-human contents.
Environmental Science Environmental Ethics
Interdisciplinary Science Applied Science
proposes that organisms interact with their inorganic surroundings
on Earth to maintain and preserve the conditions for life on the planet.
Darwinian process Gaia hypothesis
Leopold matrix Gaussian Hypothesis
The process in which the developmental paths were evaluated, studied
and selected to reduce down the adverse impacts on the natural
environment is called
Environmental Pollution
Environmental monitoring
Sustainable Environment
Environmental decision making
Stratospheric ozone filters allowing only a small amount to reach
the Earth's surface.
Air pollutants coming from the mesosphere
Acid rain
Harmful UV radiation
Particulate matter in the upper atmosphere
The uppermost part of the lithosphere that chemically reacts to the
atmosphere, hydrosphere and biosphere through the soil forming process
is called the
Mesosphere Pedosphere
Asthenosphere Atmosphere
Biodiversity Hotspot are characterized on the basis of:
Endemic flowering plant and threat perception
Endemic flowering plant
Species of flowering plants
None of above
Which gas exists in the highest concentration in the Earth's atmosphere?
CO2 O2
N2 O3
Page 2 of 2
SLR-MI-387
Which of following statement is incorrect about the Biosphere?
Biosphere is combination of lithosphere, hydrosphere and
atmosphere
Biosphere is missing at extreme of north and south pole
Organisms are uniformly present in Biosphere
All of the above
What is the meaning of the core bleaching?
Paling of coral color or decline in zooxanthellae (microscopic algae)
due to climate change
Impacts of excessive sea trade on fishing industry
Both a and b
None of the above
10) In a population, unrestricted reproductive capacity is called as
Carrying capacity Biotic potential
Birth rate Fertility rate
11) The pyramid of energy in terrestrial ecosystem is
Upright Inverted
Spindle shaped Irregular
12) The process of successful establishment of the species in a new area is
called
Sere Climax
Invasion Ecesis
13) Which one is true?
Symbiosis is when neither population affects each other
Symbiosis is when the interaction is useful for both the populations
Commensalism is when none of the interaction population affect
each other
Commensalism is when the interactions is useful to both populations
14) The effect of inters specific completion on niches is to make them
Larger Smaller
More triangular Change location
Q.2 Discuss why environmental science is called multidisciplinary science?
Explain the need of natural resource conservation with suitable example?
14
Q.3 What is Soil Erosion? Discuss the environmental factors affecting soil
erosion? Explain its causes and adverse effects on environment?
14
Q.4 What is atmosphere? Explain its composition in detail? How CO2 is
responsible for the increase in troposphere temperature near the earth?
14
Q.5 Write a short note on the following: 14
Nitrogen Cycle
Population Ecology
Q.6 Write a brief with suitable illustration on the following: 14
Bioaccumulation and Bio magnification
Food Chain and Food Web
Q.7 Write an account on the following: 14
Structure and composition of Lithosphere
Gaia Hypothesis