Ahs2206:Plant Propagation Question Paper
Ahs2206:Plant Propagation
Course:Bachelor Of Horticulture
Institution: Meru University Of Science And Technology question papers
Exam Year:2013
QUESTION ONE 30 MARKS
(i) Plant Propagation is described as both an art and a science. Elucidate? (2Marks) (ii) State five (5) objectives of Plant Propagation. (5Marks) (iii) Distinguish between sexual and asexual methods of Plant Propagation. (2Marks) (iv) Discuss apomixes and its importance in Plant Propagation. (3Marks) (v) Outline the Four (4) types of Seeds. (8Marks) (vi) Explain ways through which commercial seed can be purified during seed multiplication. (4Marks) (vii) Give examples of organizations involved in commercial seed production in Kenya. (2Marks) (viii) Discuss the term ‘accreditation’ with reference to seed certification in Kenya. Name the organization mandated to undertake seed certification in Kenya. (4Marks)
QUESTION TWO 20MARKS
(a) Discuss the key determinants of seed quality. (3Marks) (b) Enumerate requisite factors for seed germination. (8Marks) (c) Distinguish between chip budding and patch budding. (4Marks) (d) Discuss the term incompatibility in grafting and state five (5) symptoms of incompatibility. (5Marks)
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QUESTION THREE 20MARKS
(a) With examples, discuss the role of plant hormones in seed germination. (10Marks) (b) Underscore the advantages and disadvantages of vegetative propagation. (10Marks)
QUESTION FOUR 20MARKS
(a) Discuss the terms below and state their significance in propagation. (8Marks) (i) Topophyis (ii) Clone (iii)Chimera (b) Discuss the merits of vegetative (Clonal) propagation over seed propagation with examples. (12Marks)
QUESTION FIVE 20 MARKS
(a) Virus-infected plants will continue to carry the pathogen when propagated by vegetative means. Explain a procedure by which virus-infected plants can be ‘cleaned’ including the logic behind such practice. (12Marks) (b) Define ‘Chimera’ and describe three different types found in vegetatively propagated plants. (8Marks)
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