Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
B.Pharm SEMESTER- III • EXAMINATION SUMMER-2017
Subject Code: 2230006 Date: 12/06/2017
Subject Name: Pharmacognosy-I
Time: 02:30 PM to 05:30 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

What is Pharmacognosy? Describe its significance and scope for future drug development.
06

Enlist sources of crude drugs. Describe in brief marine and animal as sources of crude drugs with examples.
05

Differentiate between monocot and dicot leaf, both morphologically and microscopically.
05
Q.2

Enumerate various method of classification of crude drugs. Discuss in detail the Morphological and chemical classification with it's merits and demerits.
06

Write functions of leaf. Give types of apex and margin of the leaf with diagram.
05

Discuss physical evaluation of crude drugs.
05
Q.3

Discuss the advantages of cultivated medicinal plants over wild plants. List out the various intrinsic and extrinsic factors affecting Cultivation and collection of medicinal Plants. Describe any one in detail.
08

Write short note on plant hormones with examples.
05

Define Polyploidy, Vein lets number, Saponification value.
03
Q.4

Define carbohydrates? Explain classification and chemical tests for
Identification of carbohydrate?
06

Write a note on preparation and uses of honey.
05

What are gums? Differentiate Gum Acacia and Gum Tragacanth.
05
Q.5

Define lipids? Give physico-chemical properties and classification of lipids
with suitable examples?
06

Define adulteration? Describe methods of adulteration for crude drugs?
05

Define phytoconstituent. Give chemical tests for tannins and alkaloids.
05
Q. 6

Describe the Biological source, chemical tests and uses of following oils:
i)Codliver oil ii) Linseed oil iii) Karanj oil
06

Define Following terms: Acid value ii) ester value iii) iodine number iv) Reichert-Meissl number Hydroxyl value
05

Write a note on B.S, properties, preparation and uses of castor oil.
05
Q.7

Explain WHO guidelines to evaluate crude drug with emphasis on microbial
evaluation?
06

Write a brief note on classification of fruit with example.
05

Define flavonoids and resins and give detailed account on chemical test for
identification of it?
05