PTU (Punjab Technical University) B.Pharmacy Sixth Semester May 2019 Question Paper
Total No. of Pages : 02
Total No. of Questions : 10
B.Pharma (2011 to 2016) (Sem.?6)
PHARMACOGNOSY-V
Subject Code : BPHM-604
M.Code : 71036
Time : 3 Hrs. Max. Marks : 80
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of FIFTEEN questions carrying T WO
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 T EN marks each and students
have to attempt any T HREE questions.
SECTION-A
Q1. Answer the following :
(a) Draw structure of reserpine and morphine.
(b) Name a primary glycoside of digitalis and its hydrolytic product.
(c) Give two examples with complete biological source of atypical alkaloids.
(d) Differentiate between terpenes and terpenoids.
(e) Define stereoisomerism?
(f)
Give structure and uses of squalene.
(g) What is isoprene and special isoprene rule?
(h) Write important uses of streptomycin.
(i)
Give structure and uses of diosgenin.
(j)
Draw the basic nucleus of a flavonol and a flavanol.
(k) Draw structure of sennoside A and B.
(l)
Why xanthophylls are important?
(m) How will you detect presence of Flavonoids in a given plant?
(n) Draw the structure of papaverine and also write the alkaloidal class to which it
belongs.
(o) Write constitution of menthol.
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SECTION-B
Q2.
Write an informative note on quassinoides.
Q3.
Discuss the chemistry, semisynthetic derivatives and pharmacological activity of
vincristine and vinblastine.
Q4.
Explain the structure of menthol.
Q5.
Hofmann exhaustive methylation is useful in structural elucidation of alkaloids. Justify.
Q6.
Write note on cardiac glycosides.
SECTION-C
Q7.
Elaborate on the pharmacological importance and development of penicillin and
tetracycline.
(10)
Q8.
Discuss the chemistry of citral and quinine.
(10)
Q9.
Write an informative note on the spectral approaches involved in structure determination
of phytocompounds.
(10)
Q10. (a) Classify terpenoids with example from each class. Also throw light on their medicinal
importance.
(6)
(b) Explain the medicinal importance of carotenoids.
(4)
NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any
paper of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 05 November 2019