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Sbt 2155:Plant Morphogenesis Question Paper

Sbt 2155:Plant Morphogenesis

Course:Bachelor Of Crop Protection

Institution: Meru University Of Science And Technology question papers

Exam Year:2012

QUESTION ONE (30 MARKS)
a) Distinguish between the following terms; i. Monopodial,synpodial and polypodial branching structures (6 Marks) ii. Periclinal and anticlinal cell division. (4 Marks) iii. Plasticity and totipotency. (4 Marks) b) List the five classes of plant growth regulators. (5 Marks) c) Plants are made up of three vegetative organs; name them. (3 Marks) d) List the first five main modules that have been used to explain the plant morphogenesis. (5 Marks) e) Briefly discuss the collision based model for spiral phylotaxis. (3 Marks)
QUESTION TWO (20 MARKS)
The overall plant morph is a sum of many factors acting together. Discuss these factors. (20 Marks)
QUESTION THREE (20 MARKS)
a) Using illustrations explain the process of leaf formation from the stem, distinguishing the differences between leaf formation in monocots and that of dicots. (14 Marks) b) Explain the process involved in seed germination. (6 Marks)
QUESTION FOUR (20 MARKS)
a) Discuss the two cellular activities as they influence and result in different plant morphs. (8 Marks) b) Illustrate and explain the process of embryogenesis. (12 Marks)

Sbt 2155:Plant Morphogenesis Question Paper

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