SST 311 Principles and Practices of Seed Production (1+1) Question Paper

 UNIVERSITY OF AGRICULTURAL SCIENCES, BANGALORE

Final External Examination for III Year I Semester 2024-25
SST 311 Principles and Practices of Seed Production (1+1)
Date: 15.01.2025
Time: 55 Mins. (11.20 AM to 12.15 PM)
Marks: 25

PART - B : DESCRIPTIVE TYPE QUESTIONS

Instructions:

1. Answers for Part-B (Descriptive type questions) should be written only in the answer booklet.

2. Answers should be written only within the box provided in the answer booklet.

II. ANSWER ANY FIVE OF THE FOLLOWING (5 x 2 = 10)
51. Write difference between certified seeds and truthful labeled seeds.
52. What is field inspection? Who conducts field inspections? Write different sources of contamination.
53. Write a note on agencies involved in seed production at state and national level.
54. What is seed vigour and seed health? Explain.
55. Differentiate between GMS and CMS with examples.
56. Differentiate between nucleus seed and breeder seed.
57. Discuss the advantages and disadvantages of seed production in protected cultivation.

III. ANSWER ANY THREE OF THE FOLLOWING (3 x 5 = 15)
58. What are A, B and R lines? Explain the method of maintenance of A, B and R lines.
59. Write briefly stepwise hybrid seed production in tomato.
60. Explain generation system of seed multiplication. Write why generation system of seed multiplication is required.
61. Write in detail hybrid seed production in maize.
62. What is demand forecast? Write a flowchart representing factors affecting the price of seed.