Crop 551: Crop Physciology Question Paper
Crop 551: Crop Physciology
Course:Master Of Science In Agricultural & Rural Development
Institution: Kenya Methodist University question papers
Exam Year:2013
KENYA METHODIST UNIVERSITY
FACULTY OF SCIENCE AND TECHNOLOGY
DEPARTMENT OF AGRICULTURE
END OF SEMESTER EXAMINATION FOR MASTER OF SCIENCE IN AGRICULTURAL & RURAL DEVELOPMENT, APRIL, 2013
UNIT TITLE : CROP PHYSIOLOGY
UNIT CODE : CROP 551
TIME: 3 HOURS
INSTRUCTIONS
Answer all questions in section A and three questions in Section B.
SECTION A
Question One
Explain four ways in which plants adapt to water stress according to Levitt’s drought adaption mechanisms.
(8 Marks)
Describe the three phases of the plant sigmoid growth curve.
(6 Marks)
Discuss the role of pollination in fruit development.
(4 Marks)
Explain what is meant by "senescence" and give two examples of phyto-hormones involved in senescence and the role each one of those hormones plays.
(6 Marks)
List four major plant nutrients and the role played by each nutrient.
(6 Marks)
SECTION B
Question Two
Discuss eight ways in which water stress affects plant performance and product quality. (15 Marks)
Question Three
Discuss ten factors that affect the rate of photosynthesis in plants. (15 Marks)
Question Four
Explain the term evapo-transpiration and discuss six factors affecting the rate of evapo-transpiration in plants. (15 Marks)
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