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Pharmacognocy and Phytochemistry MCQs with Answers

Pharmacognocy and Phytochemistry Multiple Choice Questions

1) The scientist who isolated narcotine from opium
(a) Pelletier
(b) Aristotle
(c) Hippocrates
(d) Derosne

2) Shellac is the example of source of drug of natural origin which is obtained from
(a) Animal source
(b) Mineral source
(c) Marine source
(d) Vegetable source

3) Which is the traditional system of medicine, based on the three principles of the body, i.e. vata, pitta kapha which are known as Triguna
(a) Ayurveda
(b) Siddha
(c) Unani
(d) Homeopathy

4) Papain is an example of unorganized drug which belongs to the class
(a) dried extracts
(b) dried juices
(c) oleoresins
(d) dried latex

5) Which is the system of classification wherein grouping of the drugs of natural origin is according to their therapeutic use of drugs.
(a) Pharmacological Classification
(b) Chemical Classification
(c) Taxonomical Classification
(d) Chemotaxonomical Classification

6) Which is the method of sowing seeds, and when the seedlings are produced from the seeds, are transplanted to the farms for further growth
(a) Dibbling method
(b) Scarification
(c) Broadcasting method
(d) Nursery beds

7) The drugs which are sensitive to higher temperature are dried by the specific technique of drying process
(a) spray drying
(b) vacuum drying
(c) tray drying

(d) sun drying

8) The method of collection of heartwood from the plant
(a) Ploughing and uprooting
(b) Plucking and stripping
(c) Felling and cutting
(d) Ploughing and uprooting

9) By which biosynthetic pathway, aromatic amino acids are formed ?
(a) acetate mevalonate pathway
(b) acetate malonate pathway
(c) shikimic acid pathway
(d) polyacetate malonate pathway

10) Palmate, parallel, pinnate and reticulate are the different types of
(a) leaf apices
(b) leaf margins
(c) leaf venation
(d) leaf bases

11) Achene, caryopis, nut and samara are the different subclasses which belong to specific type of fruit
(a) dehiscent fruit
(b) indehiscent fruits
(c) succulent fruit
(d) compound fruit

12) Creepers, climbers and twinners belong to which type of stem
(a) weak stem
(b) hard stem
(b) herbaceous stem
(d) woody stem

13) The natural plant growth regulator which are useful in promoting lateral bud development and inhibition of senescence by preventing the breakdown of chlorophyll in leaves
(a) auxins
(b) gibberellins
(c) cytokinins
(d) abscisic acid

14) The most extensively employed method for water determination is Karl Fischer method comes under which method of evaluation of drugs of natural origin ?
(a) Chemical evaluation
(b) Biological evaluation
(c) Organoleptic evaluation
(d) Microscopic evaluation

15) Which method of evaluation of drugs of natural origin is used for determination of foreign organic matter and microbial contamination
(a) Physical evaluation
(b) Microscopic evaluation
(c) Chemical evaluation
(d) Biological evaluation

16) The example of source of gum containing a glucomannans
(a) tragacanth
(b) guar
(c) acacia
(d) xanthan

17) The gum which also contains oxidase enzyme
(a) tragacanth
(b) sterculia
(c) acacia
(d) guar

18) The example of plant as source of mucilage
(a) linseed
(b) tragacanth
(c) inulin
(d) acacia

19) The method of extraction wherein the plant material is kept in contact with whole menstrum in closed vessel and allowed to stand for 7 days shaking it occasionally.
(a) Percolation
(b) Maceration
(c) Decoction
(d) Soxhlet

20) The following is the example of proteolytic enzyme obtained from microbial origin
(a) Papain
(b) Bromelain
(c) Seratiopeptidase
(d) Pefibre

21) Flax is an example of fibre belonging to the class
(a) carbohydrate fibre
(b) protein fibre
(c) regenerated fibre
(d) mineral fibre

22) Keratin is the chemical constituent present in the fibre of natural origin
(a) asbestos

(b) silk
(c) wool
(d) hemp

23) The chemical constituents which are present in sodium alginate
(a) D-mannuronic acid and L-glucoronic acids
(b) amylose and amylopectin
(c) pentosan and aldobionic acid
(d) D-mannose and D-galactose

24) Out of the following which plant contains maximum percentage of pectin
(a) Lemon
(b) Orange
(c) Beets
(d) Papaya

25) The following is the example of cellulose ether
(a) Cellulose acetate propionate
(b) Cellulose acetate
(c) Cellulose acetate phthalate
(d) Hydroxypropyl methyl cellulose

Correct Answers for Multiple Choice Questions

1) (d) Derosne
2) (a) Animal source
3) (b) Siddha
4) (d) dried latex
5) (a) Pharmacological Classification
6) (d) Nursery beds
7) (b) vacuum drying
8) (c) Felling and cutting
9) (c) shikimic acid pathway
10) (c) leaf venation
11) (b) indehiscent fruits
12) (a) weak stem
13) (c) cytokinins
14) (a) Chemical evaluation
15) (a) Physical evaluation
16) (d) xanthan
17) (c) acacia
18) (a) linseed
19) (b) Maceration

20) (c) Seratiopeptidase
21) (a) carbohydrate fibre
22) (c) wool
23) (a) D-mannuronic acid and L-glucoronic acids
24) (c) Beets
25) (d) Hydroxypropyl methyl cellulose

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