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Seed Science And Technology Question Paper

Seed Science And Technology

Course:Bachelor Of Science In Agriculture And Enterprise Management

Institution: Pwani University question papers

Exam Year:2012

UNIVERSITY EXAMINATIONS

ACADEMIC YEAR 3RD YEAR

EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN AGRICULTURE AND ENTERPRISE DEVELOPMENT

COURSE CODE/TITLE: AST 300:
SEED SCIENCE AND TECHNOLOGY END OF SEMESTER:I

DURATION: 3 HOURS

INSTRUCTIONS
1. Answer ALL questions in section ‘A’ and any THREE in section ‘B’

2. Total marks 70%

1) Explain the following terms as used in seed science and technology.(10 marks)
i) Androecium
ii) Seed certification
iii) Seed purity
iv) Breeders seed
v) Mucilage

2) State the importance of seeds to man. (3 marks)

3)
a) State factors which influence seed viability. (3 marks)
b) Outline methods of reducing hard seed dormancy. (5 marks)

4)

a) Briefly discuss four(4) desirable characteristics/traits considered before production of any new seed variety. (4 marks)
b) Describe Tomato seed extraction process from the fruits to dry seed. (5 marks)
c) As a seed inspector, describe factors you will considered before a farmer is contracted to produce seed. (5 marks)
d) State six (6) components you will use to determine seed quality. (3 marks)

SECTION B (30 MARKS)
5)
With aid of a diagram/illustration, describe ovule development from floral initiation up to fertilization. (10 marks)
6)
a) Discuss the general seed germination processes use diagram(s) illustration where applicable. (7 marks)
b) State six (6) factors which negatively influence seed germination. (3 marks)
7)
Discuss the general seed processing under the following:-
a) Seed drying. (4 marks)
b) Seed cleaning (3 marks)
c) Seed treatment (3 marks)
8
a) Discuss seed samples and sampling processes. (6 marks)
b) Discuss the general qualities of a good seed store and seed storage principles.
(4 marks)

Seed Science And Technology Question Paper

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