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Pune University - SY BSc (Sem - I) BOTANY - I, April 2010

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Total No. of Questions : 4] P264 [Total No. of Pages : 2 [3717] - 107 S.Y. B.Sc. BOTANY BO - 211 : Fundamentals of Plant Systematics and Plant Ecology (Paper - I) (Sem. - I) (New Course) (51411) Time : 2 Hours] [Max. Marks : 40 Instructions to the candidates : 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Neat diagrams must be drawn wherever necessary. Q1) Attempt the following: a) Enlist two objectives of taxonomy. b) Give an example of natural system of classification. c) Enlist two chemical constituents used in plant systematics. d) State different phases of taxonomy. e) What is nomena conservanda? f) Define autecology. g) What is food web? h) Enlist different plant groups based on ecological adaptations. i) State biotic components of ecosystem. j) [10] Enlist different stages of succession on rock. Q2) Attempt ANY TWO of the following: [10] a) Give broad outline of Bentham and Hookers system of classification. b) Describe any three stages of succession in hydrosere. c) Explain the pyramid of number. P.T.O. Q3) Write short notes on ANY TWO of the following: a) Binomial nomenclature. b) Morphology as data source for systematics. c) [10] Adaptive features in mesophytes. Q4) Give distinguishing characters, floral diagram and floral formula of family Rubiaceae and Euphorbiaceae. [10] OR Discuss the energy flow in an ecosystem. Y [3717] - 107 2

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Additional Info : S.Y. B.Sc. Botany (Semister - I), BO - 211 : Fundamentals of Plant Systematics and Plant Ecology (Paper - I) (New Course), Pune University
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