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

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Total No. of Questions : 4] P265 [Total No. of Pages : 2 [3717] - 108 S.Y. B.Sc. BOTANY (New Course) BO - 212 : Fundamentals of Plant Physiology (Paper - II) (Sem. - I) (51421) 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) Give any two applications of plant physiology. b) Define buffer. c) What is Clay soil? d) Define root pressure. e) What is guttation? f) Define major elements. g) State the region of root involved in salt absorption. h) Define short Day plants. i) Give the importance of Gibberellins in parthenocarpy. j) [10] What is grand period of growth? Q2) Answer any two of the following: a) What is diffusion? Give the importance of diffusion in plants. b) Water The Elixir of Life . Explain. c) [10] Explain Transpiration Pull theory of ascent of sap. P.T.O. Q3) Write notes on any two of the following: a) Role of phosphorus in plants. b) Practical applications of auxins. c) [10] Long Day Plants. Q4) Describe the structure of stomata. Explain the mechanism of opening and closing of stomata with the help of pump hypothesis. [10] OR Define growth. Explain the phases of growth. Add a note on measurement of growth. Y [3717] - 108 2 2

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Additional Info : S.Y. B.Sc. Botany (Semister - I), BO - 212 : Fundamentals of Plant Physiology (Paper - II) ((New Course), Pune University
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