Pharmacognosy and phytochemistry II GTU SEM 5 2019-22 Qustion paper

Save (0)
Close

Recommended

Description

Seat No.: _____ Enrolment No. _____________

GUJARAT TECHNOLOGICAL UNIVERSITY
B.Ph. SEMESTER -V• EXAMINATION –WINTER-2022

Subject Code: BP503TP Date:30/12/2022
Subject Name: Pharmacognosy and phytochemistry II
Time: 10:30am to 01:30pm Total Marks: 80
Instructions:

1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain Shikimic acid pathway with chemistry. 06

(b) Write in detail about acetate mevalonate pathway. 05

(c) Define and classify Alkaloids. Explain the chemical classification of alkaloids 05
with suitable examples.

Q.2 (a) Differentiate between Pale catechu and Black catechu. 06

(b) Discuss in detail about pathway for biosynthesis of lipids in plants. 05

(c) Write different methods of tracer techniques in the investigation of Biogenetic 05
studies.

Q.3 (a) Describe Isolation, Identification and Analysis of menthol. 06

(b) Define extraction. Explain different modern methods of extraction in brief. 05
(c) Give method for isolation and estimation of Forskolin. 05

Q.4 (a) Give exhaustive note on cardiac glycoside. 06

(b) Write a note on production and estimation of Sennosides. 05

(c) Give significance of HPTLC in isolation, purification and identification of 05
crude drugs.

Q.5 (a) Write method for isolation of citral and Rutin. 06

(b) Describe a suitable method for production and estimation of Diosgenin. 05

(c) Discuss significance of Electrophoresis in the isolation and purification of 05
phytoconstituents.

Q. 6 (a) Define and classify glycoside. Write source, chemical constituents and uses of 06

Aloes.

(b) Write source, chemical constituents and uses of Bezoin and Ginger. 05

(c) Give source, chemical constituents and uses of Vinca and Opium. 05

Q.7 (a) Give the source, isolation and identification method of Glycyrrhetinic acid. 06

(b) Write the biological source, isolation and estimation method of 05
Podophyllotoxin.

(c) Write note on pharmacognosy of Myrrh. 05

***************.
..

www.DuloMix.com

 

Seat No.: _____ Enrolment No. _____________

GUJARAT TECHNOLOGICAL UNIVERSITY
B.Ph. – SEMESTER– V• EXAMINATION – SUMMER -2022

Subject Code: BP503TP Date: 04/06/2022
Subject Name: Pharmacognosy and Phytochemistry-II
Time: 02:30pm to 05:30pm Total Marks: 80
Instructions:

1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Give method for isolation and estimation of caffein. 06
(b) Write biological source, family, chemical constituents, uses and marketed 05

formulation of Liquorice.
(c) Draw a neat and well labelled diagram of TS of Fennel. 05

Q.2 (a) Write the utilization of radioactive isotopes in the investigation of 06
Biogeneticstudies

(b) Write biological source, family, chemical constituents, uses and marketed 05
formulation of Rauwolfia.

(c) Describe a suitable method for production and estimation of Taxol. 05

Q.3 (a) Write biological source, isolation and estimation of method of Podophyllotoxin. 06
(b) Write down isolation, identification and analysis of Menthol. 05
(c) Give the source, isolation and identification method of Glycyrrhetinic acid. 05

Q.4 (a) Define extraction. Enlist different modern methods of extraction. Explain any 06
one method in detail.

(b) Write application of modern chromatographic techniques in isolation and 05
identification of phytoconstituents.

(c) Describe a suitable method for production and estimation of Diosgenin. 05

Q.5 (a) Write a note on production and estimation of Sennosides. 06
(b) Write biological source, family, chemical constituents, uses and marketed 05

formulation of Gentian.
(c) Draw a neat and well labelled diagram of TS of Clove. 05

Q. 6 (a) Give the source, isolation and identification method of Atropine. 06
(b) Differentiate between two varieties of Catechu. 05
(c) Write biological source, family, chemical constituents, uses and marketed 05

formulation of Ginger.

Q.7 (a) Write in detail about shikimic acid pathway. 06
(b) Write in detail about acetate mevalonate pathway. 05
(c) Explain the biosynthetic pathways used for the biosynthesis of lipids in plant. 05

***************

 

www.DuloMix.com

 

Seat No.: _____ Enrolment No. _____________

GUJARAT TECHNOLOGICAL UNIVERSITY
B.Pharm- SEMESTER–V EXAMINATION – WINTER -2021

Subject Code: BP503TP Date:17/12/2021
Subject Name: Pharmacognosy and Phytochemistry II
Time: 10:30am to 01:30pm Total Marks: 80
Instructions:

1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Define and classify Alkaloids. Explain the chemical classification of alkaloids 06
with suitable examples.

(b) Define Tannins and Glycosides. Write down chemical constituents and uses of 05
Aloe and Catechu.

(c) Differentiate between Fennel and Coriander microscopically . 05

Q.2 (a) Write the biological source, isolation and estimation method of 06
Podophyllotoxin.

(b) Write down pharmacognosy of drug used as a dental analgesic. 05
(c) Give the source, isolation and identification method of 05

Glycyrrhetinic acid.
Q.3 (a) Write a note on production and estimation of Sennosides. 06

(b) Write down different methods of tracer techniques in the investigation of 05
Biogenetic studies.

(c) Write method for isolation of atropine and Curcumin. 05

Q.4 (a) Explain Shikimic acid pathway with chemistry. 06
(b) Write down source, chemical constituents and uses of Rauwolfia and Opium. 05
(c) Define extraction. Enlist different modern methods of extraction. Explain in 05

detail Microwave assisted extraction.
Q.5 (a) Give significance of HPTLC and GC in isolation, purification and identification 06

of crude drugs.
(b) Write a note on super critical fluid (SCF) extraction. 05
(c) Write down isolation, identification and analysis of Rutin. 05

Q. 6 (a) Give method for isolation and estimation of Caffeine. 06
(b) Write down isolation, identification and analysis of Menthol. 05
(c) Differentiate between Pale catechu and Black catechu. 05

Q.7 (a) Write in detail about acetate mevalonate pathway. 06
(b) Write down source, chemical constituents and uses of Colophony and Ginger. 05
(c) Describe a suitable method for production and estimation of Diosgenin. 05

***************

www.DuloMix.com

 

 

GUJARAT TECHNOLOGICAL UNIVERSITY
B. Pharm – SEMESTER-V – EXAMINATION – SUMMER -2021

Subject Code: BP503TP Date:05/08/2021
Subject Name: Pharmacognosy& Phytochemistry II
Time: 02:30PM to 05:30PM Total Marks: 80
Instructions:

1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Enumerate basic metabolic pathways and write in brief the formation of 06
aromatic amino acids.

(b) Write the chemical test for identification of indole alkaloid. Write a note on 05
chemical constituents and uses of Rauwolfia.

(c) How is industrial production of podophyllotoxin carried out? Write utilization 05
of podophyllotoxin.

Q.2 (a) Which method is used for analysis of quinine? Explain the same in details. 06

(b) Enlist method of extraction. Explain continuous extraction method with 05
diagram.

(c) Write the methods by which radioactive isotopes are used in study of 05
biogenetic studies.

Q.3 (a) Write the biological source, chemical composition and therapeutic uses of 06

guggul.
(b) Which are the methods used for estimation of digoxin? Explain in detail. 05
(c) Classify chromatographic techniques used for isolation. Write in brief about 05

any one technique.

Q.4 (a) Give a detailed note on industrial production of vincristine and vinblastine. 06

(b) Write a note on electrophoresis used for isolation, purification ad identification 05
of crude drugs.

(c) What are iridoids? Write the biological sources and chemical constituents of 05
gentian.

Q.5 (a) Write a detailed note on UV – Spectroscopic method for identification of 06

phytoconstituents.
(b) How is menthol isolated? Write a detailed note on it. 05

(c) Write a note on chemical constituents of licorice. 05

Q. 6 (a) Give a detailed account of method of estimation of taxol and write its uses. 06

(b) What are resins? Write the isolation of curcumin. 05

(c) Give a list of secondary metabolites synthesized through acetate pathway. 05
Write the pathway of any one.

Q.7 (a) How are radioactive isotopes fed to the plants for the study of biogenetic 06

pathways?
(b) Write a note on biological source, chemical constituents and uses of clove. 05
(c) Write the estimation and uses of atropine. 05

www.*D*u*l*o*M**ix*.*c*o*m***

 

Seat No.: _____ Enrolment No. _____________

GUJARAT TECHNOLOGICAL UNIVERSITY
B.Ph. – SEMESTER V –EXAMINATION – WINTER -2020

Subject Code: BP503TP Date: 07/01/2021
Subject Name: Pharmacognosy and Phytochemistry – II
Time: 10:30AM TO 12:30PM Total Marks: 54
Instructions:

1. Attempt any THREE questions from Q-1 to Q-6.
2. Q.7 is compulsory to attempt.
3. Make suitable assumptions wherever necessary.
4. Figures to the right indicate full marks.

Q.1 (a) Write a detailed note on use of types of radioisotopes and their characteristics 06
in biogenetic studies.

(b) Write the biogenetic pathway of amino acids. 05
(c) Write the sources and types of alkaloids present in rauwolfia. 05

Q.2 (a) Write a detailed note on methods used to apply/feed radioactive substances to 06
plants during biogenetic studies.

(b) Write the method of isolation and analysis of menthol. 05
(c) Write industrial production and utilization of caffeine. 05

Q.3 (a) Explain the terms extraction and isolation with the help of example. Enumerate 06
methods of extraction.

(b) Write the application of latest spectroscopic techniques in Phytochemistry. 05
(c) Write a note on application of HPTLC-MS technique in identification of 05

phytoconstituents.

Q.4 (a) Write a note on glycosides resent in dioscorea. Explain with the help of 06
reactions the commercial application of disogenin.

(b) Write a note on general introduction of glycosides. Differentiate between types 05
of cardiac glycosides.

(c) Write chemistry, sources and uses of guggul. 05

Q.5 (a) Write isolation, identification and analysis of artemisin. 06
(b) Write isolation, identification and analysis of glycyrhhetinic acid 05
(c) Write isolation, identification and analysis of quinine. 05

Q. 6 (a) Write the industrial production and utilization of vincristine and vinblastine. 06
(b) Write estimation and utilization of sennosides. 05
(c) Write industrial production method and estimation method of forskolin. 05

Q.7 (a) Write the chemistry, composition and commercial application of alkaloids 06
present in belladonna.

OR
(a) Write a note on chemistry of alkaloids present in opium. 06

OR
(a) Write a note on chemical classification of flavonoids. Write the commercial 06

application of rutin.

***************

www.DuloMix.com

 

Seat No.: _____ Enrolment No. _____________

GUJARAT TECHNOLOGICAL UNIVERSITY
B.Pharm – SEMESTER–5 • EXAMINATION – SUMMER -2020

Subject Code: BP503TP Date: 28-10-2020
Subject Name: Pharmacognosy and Phytochemistry II

Time: 2:30 PM TO 5:30 PM Total Marks: 80
Instructions:

1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Write a short note on Radioactive isotopes in the investigation of Biogenetic 06
studies.

(b) Describe about Shikimic acid pathway. 05
(c) Write a note on Acetate mevalonate pathway. 05

Q.2 (a) Give detail note on pharmacognosy on Senna. 06
(b) What are different sources of Aloe? Explain their method of preparation. 05
(c) Draw a well labeled morphology and microscopical diagram (T.S) of Fennel. 05

Q.3 (a) Differentiate between Black catechu and Pale catechu. 06
(b) Give detail note on anti-cancer drug. 05
(c) Write biological source, family, chemical constituents and uses of Taxus and 05

Gentian.

Q.4 (a) Enlist modern methods of extraction. Describe electrophoresis in the detail. 06
(b) Describe steam distillation method with well labeled diagram. 05
(c) Write a short note on Narcotic preparation of Opium. 05

Q.5 (a) Write on sources, isolation and identification of Curcumin. 06
(b) Brief note on estimation and utilization of Sennoside. 05
(c) Write on industrial production and estimation of Caffeine. 05

Q. 6 (a) Write on sources, isolation and identification of Rutin. 06
(b) Brief note on estimation and utilization of Digoxin. 05
(c) Describe in detail on production and estimation of Vincristine. 05

Q.7 (a) Write on sources, isolation and identification of Quinine. 06
(b) Define Resins. Write a short note on Ginger. 05
(c) Write biological source, family, chemical constituents and uses of Benzoin and 05

clove.

***************

www.DuloMix.com

 

Seat No.: _____ Enrolment No. _____________

GUJARAT TECHNOLOGICAL UNIVERSITY
B. Pharm – SEMESTER– V. EXAMINATION – WINTER -2019

Subject Code: BP503TP Date: 20/11/2019
Subject Name: Pharmacognosy and Phytochemistry II
Time: 02:30PM TO 05:30PM Total Marks: 80

Instructions:

1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain Shikimic acid pathway with chemistry. 06
(b) Write in detail about acetate mevalonate pathway. 05
(c) Discuss in detail about pathway for biosynthesis of lipids in plants. 05

Q.2 (a) Define Alkaloids. Write down its classification with example. 06
(b) Write down source, chemical constituents and uses of Rauwolfia and Opium. 05
(c) Write down source, chemical constituents and uses of Colophony and Ginger. 05

Q.3 (a) Define Tannins and Glycosides. Write down chemical constituents and uses of 06
Asafoetida and Taxus.

(b) Differentiate between Fennel and Coriander. 05
(c) Give method for isolation and estimation of Caffeine. 05

Q.4 (a) Write the biological source, isolation and estimation method of 06
Podophyllotoxin.

(b) Write method for isolation of atropine and Curcumin. 05
(c) Describe a suitable method for production and estimation of Diosgenin. 05

Q.5 (a) Write down pharmacognosy of drug used as a dental analgesic. 06
(b) Write down isolation, identification and analysis of Menthol. 05
(c) Give the source, isolation and identification method of 05

Glycyrrhetinic acid.

Q. 6 (a) Write a note on production and estimation of Sennosides. 06
(b) Differentiate between Pale catechu and Black catechu. 05
(c) Write down different methods of tracer techniques in the investigation of 05

Biogenetic studies.

Q.7 (a) Define extraction. Enlist different modern methods of extraction. Explain in 06
detail Microwave assisted extraction.

(b) Give significance of HPTLC and GC in isolation, purification and identification 05
of crude drugs.

(c) Write a note on super critical fluid (SCF) extraction. 05

***************

www.DuloMix.com