Download PTU B.Pharma 2020 Dec 3rd Sem 46222 Pharmacognosy Ii Question Paper

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Total No. of Pages : 02

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Roll No.

Total No. of Questions : 20

B.Pharma (2012 to 2016) (Sem.-3)

PHARMACOGNOSY-II

Subject Code : BPHM-302

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M.Code: 46222

Time: 3 Hrs.

Max. Marks : 80

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY carrying THIRTY marks.

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2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains FOUR questions carrying TEN marks each and students have to attempt any THREE questions.

SECTION-A

Answer the following :

Q1. What are Resenes? Give one example, with complete biological source, used for its high resene content. 2

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Q2. Define Pharmaceutical Aids? Give complete biological source of a drug used as a viscosity builder. 2

Q3. In the transverse section of single mesocarp of fennel, how many oils cells and vascular bundles are seen? 2

Q4. Why gelatin salt test is considered more reliable than gelatin test to detect the presence of tannins? 2

Q5. Draw the chemical structures of the following: 2+2+2+2
(i) Eugenol

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Q6. Differentiate between Eucelle and Enfleurage methods of volatile extraction. 2

Q7. Give complete biological source and uses of myrobalan. 2

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Q8. If a drug gives positive Borntrager's test, will it also give positive modified Borntrager's test? Explain your answer. 2

Q9. Write the uses of Nylon and Asbestos. 2

Q10. Write complete biological source, major chemical constituent and uses of balsam of tolu and dill. 2+2

Q11. Differentiate between pathological and physiological resin. Also give one example of each. 2

SECTION-B

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Q12. Write a note on the source, types, method of preparation, chemical composition, chemical tests and uses of cotton.

Q13. Elaborate on the source, chemical constituents, chemical tests and uses of pale and black catechu.

Q14. Discuss different types of tannins with one example from each class.

Q15. Write a note on natural colouring agents.

Q16. Discuss the commercial importance of Lemon grass and Mentha.

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SECTION-C

Q17. Differentiate between Indian and American podophyllum on the basis of its macro- and microscopic characters, chemical constituents and chemical tests.

Q18. Discuss in detail Cinnamon and Turmeric.

Q19. Discuss in detail about benzoin, highlighting its sources, cultivation and collection, chemical constituents, uses, specific chemical tests and adulterants.

Q20. Elaborate on various methods of volatile extraction highlighting their principle, advantages and disadvantages with respect to each other.

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NOTE: Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.