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. (4 Marks) (b) Highlight the importance of Gibberrilic acid in crop production. (4 Marks) (c) Describe the characteristics of c4 plants. (4 Marks) (d) Discuss the importance of transpiration in plants. (8 Marks) (e) Discuss the factors that affect respiration in plants. (6 Marks) (f) Outline the importance of osmosis in plants. (4 Marks)
QUESTION TWO – (15 MARKS)
(a) Describe the effect of water stress on plant performance and product quality. (6 Marks) (b) Discuss the application of respiration process in agriculture. (6 Marks) (c) State three components of water potential in plants. (3 Marks)
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QUESTION THREE – (15 MARKS)
(a) Explain how water is absorbed by plants. (5 Marks) (b) Discuss the factors influencing water absorption. (10 Marks)
QUESTION FOUR – (15 MARKS)
(a) State the criteria of mineral essentiality. (3 Marks) (b) Describe the hydrophonic method of mineral determination in plants. (7 Marks) (c) State the functions and deficiencies of Nitrogen in plants. (5 Marks)
QUESTION FIVE – (15 MARKS)
(a) Discuss mechanisms of water stress adaptation in plants. (10 Marks) (b) Describe the advantages of hydrophonic farming. (5 Marks)
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