Download PTU B.Sc-Agriculture 2020 March 7th Sem 74838 Avegetable Breeding And Seed Production Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc-Agriculture 2020 March Previous Question Papers

1 | M-74838 (S2)-742
Roll No. Total No. of Pages : 02
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
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write short notes on :
(a) Vegetable Breeding
(b) Pure line selection
(c) Mutagens
(d) Autopolyploidy
(e) Foundation seed
(f) Gynoecious
(g) Clonal selection
(h) Somaclonal variation
(i) Hybrid vigour
(j) National seed corporation

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1 | M-74838 (S2)-742
Roll No. Total No. of Pages : 02
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
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write short notes on :
(a) Vegetable Breeding
(b) Pure line selection
(c) Mutagens
(d) Autopolyploidy
(e) Foundation seed
(f) Gynoecious
(g) Clonal selection
(h) Somaclonal variation
(i) Hybrid vigour
(j) National seed corporation

2 | M-74838 (S2)-742
SECTION-B
2. Discuss briefly the merits and demerits of mass selection.
3. Write short notes on Intergeneric hybridization.
4. What is male sterility? List the various type of male sterility found in vegetable crops
5. Give the causes of seed deterioration during storage
6. Discuss briefly the procedure of seed certification.

SECTION-C
7. Write down the origin, floral biology and breeding system of following vegetables (any
four)
(a) Chilli
(b) Onion
(c) Cauliflower
(d) Pea
(e) Muskmelon.
8. Discuss the problems and remedies associated with vegetable seed production.
9. 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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