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

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) B.Pharma (Bachelor of Pharmacy) 2020 March 5th Sem 70430 Pharmacognosy IV Previous Question Paper

1 | M-70430 (S4)-542

Roll No. Total No. of Pages : 02
Total No. of Questions : 10
B.Pharma (2012 to 2016) (Sem.?5)
PHARMACOGNOSY?IV
Subject Code : BPHM-504
M.Code : 70430
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.
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 :
a) Draw the structures of atropine and pilocarpine.
b) Give the biological source of the most common adulterant of belladonna. How will
you differentiate it from genuine belladonna?
c) Give identification tests for pepsin.
d) Arrange the following chromatographic techniques in increasing order of the particle
size of stationary phase generally used in them :
HPLC, TLC, HPTLC, Column chromatogrpahy
e) Draw chemical structure of reserpine and emetine.
f) Give main chemical constituents (along with structures) of nux vomica.
g) Mayer?s reagent is added to caffeine solution. What will be the result and why?
h) Give examples of two plant bitters with their complete biological source and the bitter
constituent present in them.
i) What are oolong, green and yellow teas?
j) Which is the most common adulterant of cinchona and how will you differentiate it
from genuine drug?
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1 | M-70430 (S4)-542

Roll No. Total No. of Pages : 02
Total No. of Questions : 10
B.Pharma (2012 to 2016) (Sem.?5)
PHARMACOGNOSY?IV
Subject Code : BPHM-504
M.Code : 70430
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.
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 :
a) Draw the structures of atropine and pilocarpine.
b) Give the biological source of the most common adulterant of belladonna. How will
you differentiate it from genuine belladonna?
c) Give identification tests for pepsin.
d) Arrange the following chromatographic techniques in increasing order of the particle
size of stationary phase generally used in them :
HPLC, TLC, HPTLC, Column chromatogrpahy
e) Draw chemical structure of reserpine and emetine.
f) Give main chemical constituents (along with structures) of nux vomica.
g) Mayer?s reagent is added to caffeine solution. What will be the result and why?
h) Give examples of two plant bitters with their complete biological source and the bitter
constituent present in them.
i) What are oolong, green and yellow teas?
j) Which is the most common adulterant of cinchona and how will you differentiate it
from genuine drug?
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k) Give important uses of colchicum and kurchi.
1) Give principle of dopler counter current chromatography.
m) Give biological source and one major use of Datura and solanum.
n) Name two species of rauwolfia that are used as adulterants/allied species for
Rauwolfia serpentina.
o) Shikimic acid pathway lead to synthesis of ??, ??. and ?? amino acids.

SECTION-B
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.

SECTION-C
7. Write an elaborated note on plant sweeteners.
8. Discuss the chemical constituents (with structures) and uses of the following :
a) Ergot
b) Withania
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.
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