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Sbt2350;Agricultural Botany Question Paper

Sbt2350;Agricultural Botany

Course:Bachelor Of Crop Protection

Institution: Meru University Of Science And Technology question papers

Exam Year:2013

QUESTION ONE (30 MARKS)
a) State the main distinguishing features of Angiosperms. (4 Marks) b) Explain the meaning of the following terms: i. Centre of origin. (2 Marks) ii. Mutation (2 Marks) iii. Landraces (2 Marks) iv. Adroecium (2 Marks) v. Parthenogenesis (2 Marks) c) Distinguish between mixed intercropping and relay intercropping. (4 Marks) d) Explain the significance of the post harvest systems. (3 Marks) e) Explain briefly why post harvest losses in developing countries are higher than those of developed countries. (5 Marks) f) Explain the significance of male sterility. (4 Marks)
QUESTION TWO (20 MARKS)
Discuss the three main processes responsible for generating variability. (20 Marks)
QUESTION THREE (20 MARKS)
a) Distinguish between stored and preserved crop products. (3 Marks) b) Discuss the main types of storage. (17 Marks)
QUESTION FOUR (20 MARKS)
Discuss the mechanisms that favour cross pollination. (20 Marks)
2
QUESTION FIVE (20 MARKS)
a) Explain briefly how double fertilization takes place in angiosperms. (10 Marks) b) State the problems faced during backcrossing breeding. (3 Marks) c) State the advantages and the disadvantages of backcrossing. (7 Marks)

Sbt2350;Agricultural Botany Question Paper

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