M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Environmental Science
INTRODUCTION TO GEO-SCIENCE
Day Date: Thursday, 23-11-2017 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
Acidic particles and gases can also deposit from the atmosphere in the
absence of moisture as
Dry Deposition Wet Deposition
Environmental Deposition None of above
is the rate of decrease of temperature with altitude in the stationary
atmosphere at a given time and location.
Environmental Laps Rate Dry Adiabatic Lapse rate
Thermal Conversion Wet Adiabatic Lapse rate
The Ring of Fire is a ring of volcanoes around the
Mid Atlantic Place Pacific Plate
Eurasian Plate Indo-Australian Plate
Mica, Basalt and Granite are the forms of type of rock.
Igneous Rock Metamorphic Rocks
Sedimentary Rocks None of these
Long-term exposure to from ground-water can cause cancer and
skin lesions. Cardiovascular disease, neurotoxicity and diabetes.
Fluoride Cadmium
Arsenic Nitrates
The weather conditions in an area in general or over a long period is
known as
Weather Climate
Precipitation None of above
Carbon dioxide constitutes percent to the atmospheric volume.
0.03% 0.003%
0.3%
amongst the following has maximum thickness.
Continental Crust Oceanic Crust
Transitional Crust None of the above
According to Indian Standards desirable limit Fluoride for drinking water is.
0.6 to 1.2 mg/lit 0.1 to 2 mg/lit
2 to 6 mg/lit None of these
Page 2 of 2
SLR-MI-390
10) state in India is the largest producer of bauxite.
Ordisha Karnataka
Maharashtra Kerala
11) The Discontinuity corresponds to the sub-horizontal boundary in
continental crust at which the seismic ware velocity increases in a
discontinuous way.
Conrad Discontinuity Gutenberg Discontinuity
Gut Discontinuity Lehmann Discontinuity
12) An increase of temperature as altitude increase can occur and is called an

Mixing Height Inversion
Lapse rate Rising Temperature
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) Which of the following materials is least susceptible to chemical
weathering?
Limestone Quartz
Halite Feldspar
Q.2 Define Weathering, Describes types of weathering and factors affecting
weathering process.
14
Q.3 What do you meant by solar radiations, explain heat budget. 14
Q.4 Which are the elements of weather and climate: add a note on weather
forecasting model?
14
Q.5 Write a short note on: 14
Sea Floor Spreading
Electromagnetic Radiations
Q.6 Give a brief account of: 14
Mineral Resources in India
Geo-Strophic wind
Q.7 Write a note on: 14
Soil Profile
Oxygen as biogeochemical cycle