M.Sc. (Semester (CBCS) Examination Nov/Dec-2018
Environmental Science
INTRODUCTION TO GEO-SCIENCE
Time: 2½ Hours Max. Marks: 70
Instructions: All questions carry equal marks.
Question 1 is compulsory and should be answered in the question paper.
Draw neat and labeled diagrams wherever necessary.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
In which type of rocks are coal and petroleum found?
Granite Igneous
Sedimentary Metamorphic
Earth's crust below the oceans is composed of
Igneous rocks Sedimentary rocks
Metamorphic rocks Slate
Hardness that cannot be removed by boiling is called
Temporary hardness Permanent Hardness
Bothe a b None of these
Plants use CO2 in the process of to make sugar and
Respiration, water Respiration CO2
Photosynthesis, water Photosynthesis, O2
Due to the deforestation
Human activities are highly impacted
Local climatic conditions such relative humidity and ambient temperature
highly impacted
Surface water quality affected
Solar radiation affected
Soil minerals form the basis of soil. They are produced from rocks (parent
material) through the processes of
Weathering Crystallization
Scattering Grinding
Volcanoes are caused due to the
Sedimentary rock formation Ground water movement
Tectonic plate movement breaking Crust material rearrangement
Among the following which is not a example of metamorphic rock
Gneiss Marble
Quartzite Shale
Solar radiation is radiant energy emitted by the sun from a
Temperature inversion Nuclear fusion reaction
Nuclear fission reaction Chemical radiation reaction
10) Temperature inversion, a reversal of the normal behavior of temperature in the

Mesosphere Thermosphere
Lithosphere Troposphere
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SLR-VI-287
11) The is the rate of decrease of temperature with altitude in the
stationary atmosphere at a given time and location.
Dry adiabatic laps rate (dALR) Adiabatic laps rate
Environmental laps rate Temperature laps rate
12) Cyclones are the system.
Moderate pressure High pressure
Low pressure Inversion
13) The classification of rocks is based on two criteria.
Texture and crystallization Composition and minerals
Texture and composition Crystallization and minerals
14) Which is not a greenhouse gas among the following?
Hydrogen sulphide CO2
CH4 CFC
Q.2 Answer the following any four:-
1. Lithosphere
2. Continental crust and oceanic crust
3. Geo-indicators
4. Soil erosion
5. Arsenic contamination in ground water
08
Write notes on (Any
1. Composition of magma
2. Primary melt and parental melt
3. Mineral resources in India.
06
Q.3 Answer the following Any
1. Discuss the role of macro and micronutrients in soil?
2. Discuss the impacts of human activities on soil productivity?
3. Important of atmosphere
08
Answer the following any one
1. Explain the process of weathering of rocks.
2. Explain the process of formation of Core, Mantle and Crust
06
Q.4 Answer the following Any
1. Dental fluorosis
2. Bio-fertilizers
3. Deforestation
10
Answer the following any one
1. Discuss the impacts of pesticide application on environment
2. Explain environmental Laps rate
04
Q.5 Answer the following (any two) 14
What is Acid rain? Discuss its causes and impacts.
Explain the concept of 'Green House Effect'?
Write a note on Impacts of industrial effluents on groundwater quality?