Crop 245 : Plant Breeding Question Paper
Crop 245 : Plant Breeding
Course:Agriculture
Institution: Kenya Methodist University question papers
Exam Year:2014
KENYA METHODIST UNIVERSITY
END OF 3''RD ''TRIMESTER 2014 (FT) EXAMINATION
FACULTY : SCIENCE & TECHNOLOGY
DEPARTMENT : AGRICULTURE AND NATURAL RESOURCES
UNIT CODE : CROP 245
UNIT TITLE : PLANT BREEDING
TIME : 2 HOURS
INSTRUCTIONS
Answer Question One and any Two other Questions
SECTION A – 30 MARKS
Question One
Discuss five objectives of plant breeding.
(10 Mks)
Some people think that plant breeding has been used by developed countries to exploit poor countries. What do you think about it? Discuss.
(10 Mks)
Discuss two advantages of self pollination of plants in relation with plant breeding.
(10 Mks)
SECTION B – 40 MARKS
Answer any two questions in this Section
Question Two
Discuss how the following concepts are used in plant breeding.
Yield
(5 Mks)
Harvest Index
(5 Mks)
Water use efficiency
(5 Mks)
Early maturity
(5 Mks)
Question Three
Discuss five mechanisms used by plants to respond to adverse environmental conditions. (20 Mks)
Question Four
Explain how the following tools are used in plant breeding:
Tissue culture
(10 Mks)
Cross-pollination.
(10 Mks)
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