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

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Total No. of Questions : 5] P252 [Total No. of Pages :2 [3717] - 86 F.Y. B.Sc. (Vocational) SEED TECHNOLOGY Seed Development, Morphology and Plant Breeding for Crop Improvement (Paper - I) (Old Course) Time : 3 Hours] Instructions to the candidates: 1) 2) 3) [Max. Marks : 80 All questions are compulsory. Figures to the right indicate full marks. Draw neat labelled diagrams wherever necessary. Q1) Attempt the following : a) Define allogamy. b) What is Dus system? c) Sketch and label T.S. of microsporangium. d) What is megasporangium? e) Give any one method of breeding for disease resistance. f) What is mass selection? g) What is apomixis? h) [16] Define micropropagation. Q2) Attempt the following (any four) : [16] a) What is heterosis? Give the causes of heterosis. b) What is a clone? Describe the advantages of clonal selection. c) Explain the procedure for development of double cross hybrid. d) Define a fruit. Give the classification of fruit with the suitable examples. e) Explain the role of phenol colour in establishing cultivar genuineness. f) Comment on advantages & limitations of pureline selection. P.T.O.

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