M.Sc. (Semester (CBCS) Examination Mar/Apr-2018
Environmental Science
FUNDAMENTALS OF ENVIRONMENT
Time: 2½ Hours
Max Marks: 70
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.
Demography of Belding's ground Squirrels was studied by
Sherman and Morton
Darwin and Newton
Clement and Tansley
Sherman and clement
What is the Greek world for ecology?
Ethology
Oekologic
Hexicology
Synecology
Which of the ecological Pyramid is always upright?
Pyramid of biomass
Pyramid of energy
Pyramid of number
All of these
is biotic component of ecosystem.
Edaphic factor
Living organism
Climatic factors
All of these
Organisms dwelling in temperature range between 20º to 45º are called as
Mesosphilic
Psychrophylic
Extremophile
Europhiles
In food chain Zooplankton is called as
Primary produces
Secondary consumers
Tertiary consumers
Primary consumers
is the primary limiting factor for bacterial growth in soils with high nitrogen content.
Nitrogen
Phosphorus
Carbon
Potassium
Most productive ecosystem is
Open ocean
Tropical rainforest
Temperate forest
Agricultural land
Source of energy in
Sun light
ATP
DNA
RNA
10) Biotic potential is countered
Competition with other organism
Producers is larger
Limitation of food supply
None of the above
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SLR-UI-358
11) Autoecology deals
Ecology of species
Ecology of many species
Ecology of community
All of the above
12) The maximum rate of growth of any population under ideal conditions is called
Exponential growth
Biotic potential
Exponential potential
Environmental growth
13) Plants can transform the energy in sunlight into organic molecules such as sugars, in a process
Photosynthesis
Decomposition
Nitrogen fixation
Cellular respiration
14) The plants live in high temperature throughout the year are called as?
Microtherm
Megatherm
Mesotherm
Hekiskotherm
Q.2
What is ecosystem ecology? What are the different approaches to ecology based on level of organization of organisms?
14
Q.3
What is Environment? Explain its components in detail.
14
Q.4
What is ecological succession? Comment various features that characteristics a community.
14
Q.5
Write a short note on the following:
14

Environmental ethics

Population characteristics
Q.6
Write a brief with suitable illustration on the following
14

Structure and functional changes in typical hydrosere or xerosere.

Liebig's law of minimum and shelford law of tolerance.
Q.7
Write an account on the following:
14

Inter specific and intra specific relation

Ecological Niche