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Posted Date: 18 Oct 2009 Posted By: Manish Jain Member Level: Diamond
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2006 Madras University B.Sc Bio-Technology Economic Botany Question paper
Semester V - Paper VIII - Economic Botany
SECTION - A [10 x 3 = Marks 30]
Answer any TEN questions. All questions carry equal marks.
Each answer should not exceed 50 words.Draw diagrams wherever necessary.
1) Cereals.
2) Pearl millet.
3) Surface fibre.
4) Girdling.
5) Crude rubber.
6) Mollases
7) Spice.
8) Different types of tea.
9) Definition of Pharmacognosy.
10) Laxatives.
11) Chota Gokhru.
12) Lemon grass oil.
SECTION - B [5 x 6 = Marks 30]
Answer any FIVE questions. All questions carry equal marks.
Each answer should not exceed 200 words .Draw diagrams wherever necessary.
13) Describe the cultivation of pea nuts and their uses.
14) Describe the classification of fibers.
15) Give an account of the harvesting and processing of Tectona grandis.
16) Write an account of gums and resins.
17) Describe the geographical source, cultivation, alkaloids and uses of vinca.
18) What are laxatives? How will you prepare the alkaloids? What are the uses of it?
19) Write an essay on the different types of starch and lemon grass oil.
SECTION - C [10 x 4 = Marks 40]
Answer any FOUR questions.All question carry equal marks.
Each answer should not exceed 500 words. Draw diagrams wherever necessary.
20) What are Cereals? Describe the source, method of cultivation and uses of any 2 cereals you have studied.
21) Describe the development of processing, extraction and uses of surfce fibers.
22) Explain the method of extraction and processing of rubber from Hevea and its uses.
23) Describe the raw materials, pattern of cultivation, resource availability and manuuicture of pulp in the paper industry.
24) What is meant by indigenous system of medicine? Explain.
25) What are carminatives? Describe the source, constituents, organoleptic characters and uses of any two carminatives you have studied
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