LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIFTH SEMESTER – APRIL 2011

PB 5517/PB 5511/PB 5503 – HERBAL AND ETHANOBOTANY

 

 

 

Date : 19-04-2011              Dept. No.                                          Max. : 100 Marks

Time : 1:00 – 4:00

 

PART- A (20 marks)

Answer ALL the questions

1. I. Choose the correct answer (5X1=5)

 

1. Vascin is a
2. Hypertensive drug        Bronchodilator      c. Carcinogenic        d. Carminative
3. Andrographis paniculata contains
4. Troponin    Vincristine          c. Taxol          d. Andrographolide
5. An ingredient of Triphalachurna is
6. Trichopus zeylanicus Triticum vulgare  c. Emblica officinalis  d. Zingiber officinale
7. An important ingredient of herbal oil is
8. Wrightia tinctoria Trichodesma zeylanicum  c. Eclipta alba  d. Eryngium foetidum
9. Paliyars inhabit
10. Palani Hill          Thiruvallur District    c. Javadhi Hills      d. Kanyakumari District

 

1. State whether the following statements are true or false (5×1=5)

 

6. Coriandrum sativum is a carminative.
7. Isabol is a source of micronutrient.
8. Poultices is used to reduce swellings.
9. Irulas live in the Nilgiris.
10. Traditional Knowledge is always codified.

III. Complete the following                                                                                                       (5×1=5)

 

11. Elixirs has _____________________ Property.
12. Infusion of many drugs is called
13. Scopolamine is present in
14. ____________________ states has concentration of tribal population.
15. Charaka Samhitha is an important reference in _________________ system of medicine.

 

1. Answer with in 50 words                                              (5×1=5)

 

16. Write notes on alkaloids.
17. What are glycerites?
18. Mention any two points about export potential of herbs.
19. Mention two important source of literature for ethnobotany.
20. Give two examples for resinous drugs.

PART – B

Answer the following each within 500 words.  Draw diagrams wherever necessary.                                                                                                                                                                     (5×7=35)            

                                                                                   

21. a) What are the parameters studied in microscopic evaluation of drugs?

(OR)

1. b) Explain active and inactive constituents of drugs.

 

22. a) Discuss the medicinal properties of Ocimum sanctum and Zingiber officinale.

(OR)

1.          b) Discuss the medicinal properties of Datura metal and Vinca rosea.

 

23. a) Wild shrubs should be collected on a sustainable basis. Justify.

(OR)

1. b) Give the composition of any two herbal oils and their uses.

 

24. a) Explain the importance of herbaria for ethnobotanical research.

(OR)

1. b) Provide a brief ethnographic note on Irulas.

 

25. a) Write on the drug source from cultivated plants.

(OR)

1. b) Herbs have a good export potential. Discuss.

 

PART –C

 

Answer any THREE Questions. Each answer with in 1200 words, draw diagrams.  

Wherever necessary.                                                                                                  (3×15=45) 

   

26. Write in detail about the preparation of Drugs for commercial market.
27. Discuss about the organoleptic study on Phyllanthus amarus, Adhatoda vasica and Ricinus communis.
28. Explain the various methods used in the extraction of Volatile oils and Resins.
29. Briefly discuss the methods adopted in collecting ethnobotanical information from field and literature.
30. Bring out the knowledge of tribes towards disease diagnosis, treatment, medicinal plants and their cultivation.

 

 

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