Master of Science I (Environmental Science)
Examination: Oct Nov 2016 Semester I (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SF
408
Wednesday
23/11/2016
10.30 AM
to
01.00 PM
Introduction To
Geo-Science
C
SCT 1.1
Instructions: Answer any five questions.
All questions carry equal marks.
Q.1 is compulsory.
Attempt any two from Q.2, 3 4
Attempt any two from Q.5, 6 7
Total Marks:70
Q.1 Select the answer among the following: 14
Typically acid rain has a pH value of
5.5 7.0
4.0 6.0
The atmospheric temperature decreases with an increase in altitude is known
as
Thermal inversion Laps rate
Thermal conversion Latent heat
Smelting is a form of extractive metallurgy which includes processes.
Roasting Fluxes
Reduction All of the above
Sea-Floor spreading is mainly occurs at
Constructive Plate Margins Conservative Plate Margins
Destructive Plate Margins Conservative Subduction Margins
characterized by dental mottling and skeletal manifestations such as
crippling deformities, osteoporosis and osteosclerosis.
Fluoride Cadmium
Arsenic Nitrates
In wind rose angle measurement in degrees, West direction corresponds to
00 900
3600 2700
Which of the following as has highest percentage contribution to the
greenhouse effect
Methane Water Vapours
Carbon Monoxide None of these
The inner core is believed to consist primarily of a alloy.
Silicon and Manganese Nickel and Iron
Silicon and Aluminum Nickel and Manganese
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According to Indian Standards desirable limit Harness for drinking water is
150 mg/lit 250 mg/lit
300 mg/lit 100 mg/lit
10) Bauxite is the principal are of
Aluminum Tungsten
Copper Gold
11) The _____discontinuity corresponds to the sub-horizontal boundary in
continental crust at which the seismic wave velocity increases in a
discontinuous way
Conrad discontinuity Gutenberg Discontinuity
Mohorovic Discontinuity Lehmann Discontinuity
12) Typical range of visible spectrum in electromagnetic spectrum is
390 nm to 700 nm 250 nm to 700 nm
300 nm to 700 nm 100 nm to 700 nm
13) When moist air is cooled, it may reach a level when its capacity to hold water
vapour ceases
100 Relative Humidity Saturation Point
Dew Point Reached All of the above
14) Process of soil formation is also known as
Weathering Paedogensis
Erosion None of these
Q.2 Define Volcano, Add a note of component and material discharge from volcano,
and explain it.
14
Q.3 Explain in detail sources, effects and control measures of groundwater pollution.
Add a note on problems associated with fluoride pollution.
14
Q.4 Define Flood; explain in detail principal types, cause and effects of the flood. 14
Q.5 Write a short note on the following: 14
Different forms of condensations
Nitrogen cycle with environmental impact of increased inorganic nitrogen in
aquatic bodies.
Q.6 Give a brief account of: 14
Environmental Laps Rate
Indian Standards for drinking water
Q.7 Write a note on: 14
Acid Rain
Rock Cycle