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Pune University - FY BSc (Vocational) SEED TECHNOLOGY - I, April 2010

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Total No. of Questions :5] [Total No. of Pages : 2 [3717] - 35 F.Y. B.Sc. (Vocational) SEED TECHNOLOGY P212 Morphology, Seed Development, Testing for Cultivar Genuineness and Plant Breeding for Crop Improvement (New Course) (Paper - I) Time :3 Hours] [Max. Marks : 80 Instructions to the candidates: 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Draw neat labelled diagrams wherever necessary. Q1) Attempt the following a) What is a Flower?. b) Define megagame togenesis. c) What do you mean by autogamy?. d) Define an embryo. e) What is a grain? f) What do you mean by a legume type of Fruit? g) Define plant breeding. h) [16] State the Law of Segregation. Q2) Attempt any four of the following : [16] a) Sketch and label the structure and T.S. of a typical anther. b) Give the diagnostic characters of Family Papilionaceae. c) Describe the process of double fertilization with neat labelled diagram. d) What is a clone? Give the characters of a clone. e) What is introduction? Give the objectives of introduction. f) Comment on Dus system. P.T.O. Q3) Write notes on (any four): [16] a) Advantages and limitations of hybridization in self pollinated crops. b) Classification of Mutation. c) Characters of Pureline. d) Anther culture. e) Natural Vegetative Propagation. f) Scope and application of plant breeding for disease resistance. Q4) Attempt any two of the following : [16] a) Explain the role of phenol colour and peroxidase test in establishing cultivar genuineness. b) Describe the development of dicotyledonous embryo. c) What is heterosis? Give the causes of heterosis. d) Explain the development of single cross and double cross hybrids. Q5) Give the distinguishing characters, floral formula, floral diagram of Family Malvaceae & Liliaceae. [16] OR Define mutation. Describe different kinds of mutagens. Add a note on artificial induction of mutation. #### [3717]-35 2

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Additional Info : F.Y. B.Sc. (Vocational) SEED TECHNOLOGY Morphology, Seed Development, Testin for Cultivar Genuineness and Plant Breeding for Crop Improvement (New Course) (Paper - I), Pune University
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