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Bio0113:Plant Physiology Question Paper

Bio0113:Plant Physiology

Course:Diploma In Agriculture

Institution: Meru University Of Science And Technology question papers

Exam Year:2013

QUESTION ONE (30 MARKS)
a. Explain the importance of plant physiology in Agriculture. (6 Marks) b. Discuss the application of respiration process in agriculture. (6 Marks) c. Describe the effect of water stress on plant performance and product quality. (6 Marks) d. Highlight the importance of cytokinins hormones in plant development. (4 Marks) e. Describe the characteristics of CAM plants. (4 Marks) f. Explain two types of meristems. (4 Marks)
QUESTION TWO 15 MARKS
a. Discuss the factors that affect photosynthesis. (10 Marks) b. Describe the mechanisms used by plants to avoid water stress. (5 Marks)
QUESTION THREE 15 MARKS
With the aid of a diagram explain plant growth and development. (15 Marks)
QUESTION FOUR 15 MARKS
a. Discuss the importance of auxin hormone in plant. (10 Marks) b. State the functions of nitrogen element in plants. (3 Marks) c. Give the effect of excess nitrogen in the soil. (2 Marks)
QUESTION FIVE 15 MARKS
a. Differentiate between phloem loading and phloem unloading. (4 Marks) b. Discuss briefly the factors that affect the movement of organic compound in plants. (8 Marks) c. State the importance of water in plants. (3 Marks)

Bio0113:Plant Physiology Question Paper

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