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Sbh2108:Plant Chemistry Question Paper

Sbh2108:Plant Chemistry

Course:Bachelor Of Horticulture

Institution: Meru University Of Science And Technology question papers

Exam Year:2013

QUESTION ONE (30 MARKS)
a) Outline characteristics of co enzymes. (3 Marks) b) Write short notes on C4 pathway organic acids. (4 Marks) c) Outline the significance of carbohydrates to plants. (3 Marks) d) Compare and contrast the following paired terms. (4 Marks) i. Catabolism and anabolism ii. Cellodextrin and maltodextrin e) i) Outline stimulants of photorespiration. (3 Marks) ii) Describe briefly the chemical reactions of photorespiration. (4 Marks) f) Explain why vitamin B6 is complex. (3 Marks) g) i) Briefly explain classification of sugar using optical rotation. (4 Marks) ii) Explain economic importance of pectins. (2 Marks)
QUESTION TWO (20 MARKS)
a) Giving relevant examples, discuss classification of monosaccharides based on the number of carbon atoms. ( 9 Marks) b) Give an account of Biosynthesis of triglycerides. (11 Marks)
QUESTION THREE (20 MARKS)
a) Give a detailed description of C4 pathway of photosynthesis. (10 Marks) b) Discuss the respiratory quotient of respiratory substrates. (10 Marks)
QUESTION FOUR (20 MARKS)
a) Describe a process used by plants to convert stored fat and protein into carbohydrates. (10 Marks) b) Explain how sucrose synthesis takes place in higher plants. (10 Marks)

Sbh2108:Plant Chemistry Question Paper

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