Roll No.
Total No. of Pages : 02
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Total No. of Questions : 09
B.Sc.(Agriculture) (2014 to 2018) (Sem.-7)
VEGETABLE BREEDING AND SEED PRODUCTION
Subject Code : BSAG-HC705
M.Code : 74838
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Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
- Write short notes on :
- Vegetable Breeding
- Pure line selection
- Mutagens
- Autopolyploidy
- Foundation seed
- Gynoecious
- Clonal selection
- Somaclonal variation
- Hybrid vigour
- National seed corporation
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SECTION-B
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- Discuss briefly the merits and demerits of mass selection.
- Write short notes on Intergeneric hybridization.
- What is male sterility? List the various type of male sterility found in vegetable crops
- Give the causes of seed deterioration during storage
- Discuss briefly the procedure of seed certification.
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SECTION-C
- Write down the origin, floral biology and breeding system of following vegetables (any four)
- Chilli
- Onion
- Cauliflower
- Pea
- Muskmelon.
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- Discuss the problems and remedies associated with vegetable seed production.
- Discuss briefly self incompatibility. Describe the different types of self incompatibility. In which vegetable crop exploit this system for hybrid seed production, discuss.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Sc-Agriculture 2020 March Previous Question Papers
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