ECOLOGY AND MICROBIOLOGY Paper – I : Ecology,Solapur University Question Paper 2014 Question Paper B.Sc. – I (Semester – I) (New)

Solapur University Question Paper
B.Sc. – I (Semester – I) (New) Examination, 2014
Biotechnology
ECOLOGY AND MICROBIOLOGY
Paper – I : Ecology
Day and Date : Wednesday, 4-6-2014 Total Marks : 50
Time : 3.00 p.m. to 5.00 p.m.
Instructions : 1) All questions are compulsory.
2) Figures to the right indicate full marks.
1. Rewrite the following sentences by choosing appropriate alternatives given
below : 10
1) The ozone gas is present in
a) Mesosphere b) Stratosphere
c) Troposphere d) Thermosphere
2) The layer of water on the surface of earth is called
a) Hydrosphere b) Lithosphere
c) Biosphere d) Atmosphere
3) The food chain starts from green plants goes through herbivores and ends in
the carnivores are called food chain.
a) Detritus b) Grazing
c) Parasitic d) Predator
4) Medha Patkar is related to
a) Chipko andolan b) Conservation of western ghat
c) Narmada bachao andolan d) Silent valley
5) When succession start in water, then it is called
 a) Xerach b) Hydrosere
c) Mesarch d) All of the above
P.T.O.
Seat
No.
SLR-DN – 42 -2-
6) In ecosystem plants are also called
a) Transducer b) Consumer
c) Decomposer d) Reducer
7) is a group of similar plants or animals living in an area.
a) Species b) Community
c) Population d) Pioneer
8) In desert ecosystem is main producer.
a) Herbs b) Pine trees
c) Cactus d) Grass
9) The first group of organism which initiate ecological succession is
called community.
a) Pioneer b) Secondary
c) Climax d) Polyclimax
10) Sanctuaries are established to
a) Rear animals for milk b) Entrap animals
c) Protect animal d) None of the above
2. Answer any five of the following : 10
i) Draw food web of aquatic ecosystem.
ii) Give the distribution of water present on earth.
iii) Write down functions of ecosystem.
iv) Enlist the importance of biodiversity.
v) Give the gaseous composition of atmosphere.
vi) Write in short about project tiger.
-3- SLR-DN – 42
3. A) Answer any two of the following : 6
i) Explain in detail about nitrogen cycle.
ii) Write down productivity of terrestrial ecosystem.
iii) Explain desert ecosystem.
B) Explain ecological pyramids with reference to forest ecosystem. 4
4. Answer any two of the following : 10
i) Write down in detail about the types of ecological succession.
ii) Explain mineral resources.
iii) Which are threats to biodiversity ?
5. Answer any two of the following : 10
i) Explain components of environment.
ii) What are different types of forest ?
iii) Explain in brief role of national park in wildlife protection.
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