LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.
FIFTH SEMESTER – NOVEMBER 2010
PB 5517/PB 5511/PB 5503 – HERBAL AND ETHANOBOTANY
Date : 03-11-10 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART – A (20 MARKS)
ANSWER ALL QUESTIONS:
- Choose the Correct Answer: (5 X 1 = 5)
- The impact of worship of trees as sacred grooves contribute to
- Conservation of biodiversity b) agroforestry c) social beliefs
- d) herbal medicine
- One of the following is not a method used commonly in Ethnobotancial studies
- Herbaria b) Musea c) Sculptures d) Conservation of plants
- Vasicine an alkaloid is found in
- a) Adathoda b) Azadirachta c) Eclipta d) Datura
- Poultices generally include a binding material like
- Rice flour b) Diatomaceous earth c) Plaster of paris d) Gum arabica
- One of the following is a rhizome
- a) Ocimum b) Zingiber c) Ricinus d) Vinca
- State whether the following are True or False: (5 X 1 = 5)
- Ethnotaxonomy deals with folk concepts of classification.
- Siddha is an Indian system of medicine prevalent in North India
- The fruit of Ricinus communis has mericarps.
- Tannins are natural products extracted from trees for medicinal purposes.
- Ethnobotanist who work on healing with herbs are called Shamans or Vaidyars.
III. Complete the following: (5 X 1 = 5)
- Todas and Irulas are supposed to have originated from —————— hills.
- The oil distilled from Coriandrum can be used as ..………..
- Ethnobotany which deals with origin and human use of fungi from ancient times is called ……………….
- …………………… Vedas dating back to 4000 B.C have described many medicinal plants.
- —————- is a volatile oil.
- Answer ALL, each in about 50 words: (5 X 1 = 5)
- What are Salves?
- What are Compressers?
- Write down the Medicinal use of
- Mention the importance of Musea.
- What is Hydrotherapy?
PART – B
Answer the following each within 500 words. Draw diagrams or flowcharts wherever necessary. (5 X 7 = 35 marks)
- Explain briefly the various ways in which adulteration of herbal preparation is done.
(OR)
List the various parameters used for organoleptic evaluation of drugs.
- Explain the organoleptic properties of Datura .
(OR)
Mention the active principle and medicinal uses of Vinca rosea and Zingiber officinale.
- Write notes of interest on herbal preparation with respect to Herbal oil and Glycerites.
(OR)
Explain the extraction process for Resins & Tannins.
- Describe briefly the importance of Ethnobotany and health with special reference to Siddha and Ayurveda.
(OR)
Define Ethnobotany. Bring out its scope in various fields.
- Comment on the export potential of herbs.
(OR)
Explain how the traditional knowledge can be protected through Intellectual property right.
PART – C
Answer any three of the following each within 1200 words.
Draw diagrams or flowcharts wherever necessary. (3 X 15 = 45 marks)
- Explain how microscopic and physical evaluation of drug is carried out to detect adulteration.
- Describe the chemical and anatomical characterization of Emblica officinalis. Add a note on its medicinal uses.
- Write notes of interest on
- Volatile oils b) Elixirs c) Slippery elm & slurry d) Gruel.
- Explain the various methodologies used in Ethnobotancial studies.
- Explain the traditional knowledge on
- a) Disease diagnosis b) Plant conservation & cultivation.
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