Download PTU B.Pharmacy 2020 March 4th Sem 46233 Pharmacognosy III Question Paper

Roll No. _________________________ Total No. of Pages : 02

Total No. of Questions : 10

B.Pharma (2012 to 2016) (Sem.-4)

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PHARMACOGNOSY-III

Subject Code : BPHM-403

M.Code : 46233

Time : 3 Hrs. Max. Marks : 80

INSTRUCTION TO CANDIDATES :

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1. SECTION-A is COMPULSORY consisting of FIFTEEN questions carrying TWO marks each.
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

1. Answer briefly :

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   1. Draw the structures of sennoside A and guggulsterone E.
   2. Name two controversial sources of shankhpushpi.
   3. Name the steps involved in preparation of Bhasmas.
   4. Give biological source and one major use of Palash and Adusa.
   5. Draw structure of psoralen and strophanthidin.

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   6. Give main chemical constituents (along with structures) of saffron.
   7. Why Modified Borntrager's test is performed? How it is different from Borntrager's test?
   8. Write two tests used to detect the presence of unsaturated lactone ring in a cardiac glycoside.
   9. Give biological source and important chemical constituent (with structure) of kalmegh.
   10. Which is the most common adulterant of digitalis and how will you identify it microscopically?

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   11. Give important uses of Rasna and Kantkari.
   12. Define lehyas. Give two examples of it.
   13. Give two marketed formulations each of Kalijiri and Apamarg.
   14. Give characteristic microscopic features of senna.
   15. What do you understand by the term standardization?

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SECTION-B

2. Write a note on the chemical constituents (with structures) of neem.
3. Discuss about Brahmi.
4. Explain and draw a well labelled diagram of transverse section of licorice.

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5. Write about the source and chemical constituents of chirata and arjuna.
6. Discuss about the pharmacological properties of shatavar.

SECTION-C

7. 1. Write an elaborated note on Arishtas and Asvas. How they are different from each other? 5
   2. Write an elaborated note on guggu. 5

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8. Discuss the chemical constituents (with structures) and uses of the following :
   1. Dioscorea 3
   2. Punarnava 4
   3. Ammi visnaga 3

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9. How will you standardize a herbal product? Elaborate on various steps involved in it. 10
10. Write about source, chemical constituents (with structures) and uses of Gilo and Bach. 10

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.

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