Download PTU B.Pharmacy 2020 March 5th Sem 70430 Pharmacognosy IV Question Paper

FirstRanker.com

Roll No. :

Total No. of Pages : 02

--- Content provided by​ FirstRanker.com ---

Total No. of Questions: 10

B.Pharma (2012 to 2016) (Sem.-5)

PHARMACOGNOSY-IV

Subject Code : BPHM-504

M.Code : 70430

--- Content provided by​ FirstRanker.com ---

Time : 3 Hrs.

Max. Marks : 80

INSTRUCTION TO CANDIDATES :

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 has to attempt any FOUR questions.

--- Content provided by FirstRanker.com ---

3. SECTION-C contains FOUR questions carrying TEN marks each and students has to attempt any THREE questions.

SECTION-A

1. Answer briefly/Fill in the blank :
   1. Draw the structures of atropine and pilocarpine.
   2. Give the biological source of the most common adulterant of belladonna. How will you differentiate it from genuine belladonna?
   3. Give identification tests for pepsin.

   --- Content provided by‍ FirstRanker.com ---

   4. Arrange the following chromatographic techniques in increasing order of the particle size of stationary phase generally used in them :
      HPLC, TLC, HPTLC, Column chromatography
   5. Draw chemical structure of reserpine and emetine.
   6. Give main chemical constituents (along with structures) of nux vomica.
   7. Mayer's reagent is added to caffeine solution. What will be the result and why?

   --- Content provided by⁠ FirstRanker.com ---

   8. Give examples of two plant bitters with their complete biological source and the bitter constituent present in them.
   9. What are oolong, green and yellow teas?
   10. Which is the most common adulterant of cinchona and how will you differentiate it from genuine drug?
   11. Give important uses of colchicum and kurchi.
   12. Give principle of dopler counter current chromatography.

   --- Content provided by‍ FirstRanker.com ---

   13. Give biological source and one major use of Datura and solanum.
   14. Name two species of rauwolfia that are used as adulterants/allied species for Rauwolfia serpentina.
   15. Shikimic acid pathway lead to synthesis of ............ and ...... amino acids.

SECTION-B

--- Content provided by‍ FirstRanker.com ---

2. Write a detailed note on the chemical constituents (with structures) of tea.
3. How different compounds get separated on a TLC plate? How TLC is different from HPTLC?
4. Discuss the role of medicinal plants in national economy.
5. Give an elaborated note on opium.
6. How HPLC helps in evaluation of crude drugs? Explain with suitable examples.

--- Content provided by FirstRanker.com ---

SECTION-C

7. Write an elaborated note on plant sweeteners.
8. Discuss the chemical constituents (with structures) and uses of the following :
   1. Ergot
   2. Withania

--- Content provided by FirstRanker.com ---

9. Give source, method of preparation, characters and uses of papain.
10. Discuss about Aceate-Mevalonate Pathway. Also draw the complete pathway.

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.