PHARMACOGNOSY AND PLANT CHEMISTRY EXAM ANSWER KEY
1. In 780 A.D., he described about 600 plants with medicinal properties in his book “De Materia Medica”.
A. Galen
B. Dioscorides
C. Seydler
D. Fluckiger
2. C.A. Seydler was long thought to be the first person to introduce the term Pharmaco...
1. In 780 A.D., he described about 600 plants with medicinal properties in his book “De Materia Medica”.
A. Galen
B. Dioscorides
C. Seydler
D. Fluckiger
2. C.A. Seydler was long thought to be the first person to introduce the term Pharmacognosy. However,
recent historical research reveals earlier usage of this term in a book entitled Lehrbuch der Materia
medica, which describes the study of medicinal plants and their properties. Who wrote Lehrbuch der
Materia medica?
A. Pedanios Dioscorides
B. Paracelcus
C. J.A Schmidt
D. Galen
3. Papyrus Ebers, a document written in 1550 B.C. was found in the tomb of a mummy, it contained
medicinal uses of plants and animals. Which ancient civilization wrote Papyrus Ebers?
A. Babylonian
B. Lydian
C. Egyptian
D. Greek
4. These are vegetables or animal drugs that consist of natural substances that have undergone only the
processes of collection and drying.
A. Natural Substances
B. Crude Drugs
C. Extractives
D. Derivatives
5. What do you call plants growing in their native countries?
A. Indigenous
B. Naturalized
C. Cultivated
D. Local
6. This is the final step in the preparation of drugs for the commercial market, consisting of the removal of
extraneous matter.
A. Packaging
B. Preservation
C. Garbling
D. Harvesting
7. Natural relationship existing among plants and among animals.
Philippine Association of Colleges of Pharmacy (PACOP) 1
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A. Taxonomy
B. Morphology
C. Phylogeny
D. Classification
8. In the preservation of crude drugs, this method is the simplest in preventing insect, attacks and other form
of destruction.
A. Exposure of the drugs to a temperature of 65°C
B. Use of methyl bromide
C. Adding a few drops of chloroform
9. This refers to the evaluation by means of the sense organs and includes the macroscopic appearance of
the drug, odor, taste, sound upon fracture and feel to the touch.
A. Physical Analysis
B. Chemical Analysis
C. Proximate Analysis
D. Organoleptic Analysis
10. The first commercial application of the technique in Pharmacognosy was made by Eli Lilly Company.
Using the non-disease producing strain of E. coli, this company produced the hormone __________.
A. Glucagon
B. Somatostatin
C. Insulin
D. Somatomedin
11. Which of the following may influence the secondary constituents of plant drugs?
A. Genetic Composition
B. Ontogeny
C. Environment
D. All of the above
E. Only A and B
12. These are products of natural origin many which without therapeutic effect used by the laity in the self-
treatment diseases.
A. Health foods
B. Crude drugs
C. Extracts
D. All of the above
13. Which of the following statement is/are true?
I. Gums and mucilages are carbohydrates
Philippine Association of Colleges of Pharmacy (PACOP) 2
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II. Streptomycin is a carbohydrates
III. The concentration of secondary metabolites increases with age
IV. Biogenesis refers to the study of biochemical pathways leading to the formation of secondary
constituents used as drugs.
A) III only
B) II and II
C) I, II and III
D) I, II and IV
E) I, II and IV
14. Which of the following pairs are correct?
A) Reserpine-hypotensive
B) Sambong-stomachic
C) Bayabas-Diuretic
D) Lagundi- Analgesic
15. Which of the following statement is correct?
A) Synthetic Camphor is levorotatory
B) Natural Camphor is dextrorotatory
C) Both natural and semisynthetic camphor are racemic
D) A and B only
E) A and C only
16. Give the proper sequences of the following processes in the preparation of natural drugs.
I. Garbling
II. Collection
III. Drying
IV. Harvesting
V. Packaging
A. III-I-IV-II-V
B. II-IV-III-I-V
C. II-I-IV-V-III
D. IV-I-III-V-II
17. This classification of drugs considers the natural relationship or phylogeny among plants and
animals.
A) Taxonomic
B) Morphologic
C) Zoologic
D) A and B only
E) A and C only
18. The source of bassorin
A) Acacia
B) Karaya
C) Indian gum
Philippine Association of Colleges of Pharmacy (PACOP) 3
, PHARMACOGNOSY & PLANT CHEMISTRY
D) Tragacanth
19. Mannitol is used pharmacologically as a/an
A) Humectant
B) Osmotic diuretic
C) Anti-infective
D) Urologic irritant
20. Which of the following is/are homoglycan(s)?
A) Starch
B) Inulin
C) Gums
D) All of the above
E) A and B only
21. The milk left after separation of the cream
A) Cheese
B) Condensed milk
C) Skimmed milk
D) Butter milk
22. Fermentation product from molasses.
A) Wine
B) Whiskey
C) Rum
D) Brandy
23. It is also known as the carob pulp or St. John’s Bread
A) Locust Bean
B) Xanthan
C) Guar
D) Acacia
24. It tastes approximately half as sweet as sucrose and has humectant properties which make it useful
ingredients in toothpastes, chewing gums, and dietetic products.
A) Mannitol
B) Fructose
C) Dulcitol
D) Sorbitol
25. A pharmaceutic aid in the preparation of collodion and flexible collodion.
A) Methylcellulose phthalate
B) Soluble guncotton
C) Powdered cellulose
D) Cellulose acetate
Philippine Association of Colleges of Pharmacy (PACOP) 4
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