BIOTECHNOLOGY Ecology – I (Old),2014 Question Paper,B.Sc. – I (Sem. – I),Solapur University Question Paper

Solapur University Question Paper
B.Sc. – I (Sem. – I) Examination, 2014
BIOTECHNOLOGY
Ecology – I (Old)
Day and Date : Tuesday, 10-6-2014 Max. Marks : 50
Time : 3.00 p.m. to 5.00 p.m.
 N. B. : 1) All questions are compulsory.
2) Figures to the right indicate full marks.
3) Draw diagrams wherever necessary.
1. Rewrite the following sentences by choosing correct alternatives given below : 10
i) The part of earth’s atmosphere that shields earth from harmful ultraviolet
radiations is called as ___________
a) Equatorial bulge b) Ionic layer
c) Ozone layer d) Protective layer
ii) An ecosystem must have continuous external source of ________
a) Mineral b) Energy c) Food d) None of these
iii) ________ is the leading person for the Narmada Bachao Andolan.
a) Medha Patkar b) Arundhati Roy
c) Salim Ali d) Sunderlal Bahuguna
iv) Conservation within the natural habitat is ________ conservation.
a) In situ b) Ex situ c) In vitro d) Ex vitro
v) From the following the correct statements for secondary succession is that
___________
a) It is similar to primary succession that it has a relatively fast pace
b) It begins on a bare rock
c) It occurs on a deforested site
d) It follows primary succession
SLR-D – 7 -2-
vi) Biodiversity is valuable and desirable to humans for ________
a) Medicinal purpose b) Agricultural diversity
c) Consumptive use d) All of these purpose
vii) _________, ________ and ________ are the three states of water on earth.
a) Ground water, lakes, clouds
b) Liquid water, frozen water, water vapor
c) Gas, steam, vapor
d) Ground water, oceans, ice
viii) Water is _____________ resource.
a) Non-renewable b) Biotic
c) Non-essential d) Abiotic
ix) The zone of penetration of light from the surface to the compensation point is
known as __________
a) Limenetic zone b) Profundal zone
c) Littoral zone d) Both b) and c)
x) ________ processes plays an important role in the phosphorus cycle.
a) Combustion b) Erosion
c) Fixation d) Cellular respiration
2. Answer any five of the following : 10
i) Describe the term lithosphere.
ii) Explain the degradation of natural resources.
iii) What is ecological succession ?
iv) Explain the term hot spots.
v) Discuss about scared groove.
vi) What are the sedimentary cycles ?
3. A) Answer any two of the following : 6
i) Write a note on biodiversity in India.
ii) Distinguish between In situ conservation and Ex-situ conservation.
iii) Discuss about freshwater ecosystem.
B) Explain the conservation methods of biodiversity with respect to genetic
conservation and wet land conservation. 4
-3- SLR-D – 7
4. Answer any two of the following : 10
i) Explain concept and structure of ecosystem.
ii) What is biogeochemical cycle ? Explain nitrogen cycle with suitable diagram.
iii) Discuss the types of biodiversity. Give its importance.
5. Answer any two of the following : 10
i) Describe various layers of atmosphere with suitable diagram.
ii) Give an account on Chipko Andolan and Silent Valley Movement.
iii) What are natural resources ? Explain water as a natural resource.
_____________________

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