Agri 54I:Advance In Crop Stem Physiology Question Paper
Agri 54I:Advance In Crop Stem Physiology
Course:Master In Agricultural&Rural Development
Institution: Kenya Methodist University question papers
Exam Year:2012
KENYA METHODIST UNIVERSITY
FACULTY OF SCIENCE AND TECHNOLOGY
DEPARTMENT OF AGRICULTURE
END OF TRIMESTER EXAMINATION FOR MASTER OF SCIENCE IN AGRICULTURAL & RURAL DEVELOPMENT, MAY, 2012
UNIT TITLE : ADVANCE IN CROPS STEM PHYSIOLOGY
UNIT CODE : AGRI 54I/547
TIME: 3 HOURS
Instructions:
Answer all the questions in section A and two others in section B.
SECTION A
Question One
Define the following terms and phrases. (12mks)
Strain
Stress tolerance
Alkalinity
Turgor pressure
Question Two
Write out modes on leaf abscission.
(8mks)
Effects of water stress on growth of plant
(10mks)
Question Three
Describe the adaptation that plants use to protect leaf against excessive heating. (10mks)
SECTION: Answer two questions only. (60 marks)
Question Four
What is the difference between heat shock and heat stress?
Question Five
Describe how air pollution is a threat to agriculture.
Question Six
Describe the anatomical features that enable water plants (rice) to survive under waterlogged conditions.
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