Pharmacognosy and Plant Chemistry UPDATED Actual Exam Questions and CORRECT Answers
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Course
Pharmacognosy and Plant Chemistry
Institution
Pharmacognosy And Plant Chemistry
Pharmacognosy and Plant Chemistry
UPDATED Actual Exam Questions and
CORRECT Answers
A glucosan yield glucose units on hydrolysis, while inulin is a ___________
a. fructosan
b. hexosan
c. pentosan
d. diosan
e. all of these - CORRECT ANSWER- a. fructosan
Pharmacognosy and Plant Chemistry
UPDATED Actual Exam Questions and
CORRECT Answers
A glucosan yield glucose units on hydrolysis, while inulin is a ___________
a. fructosan
b. hexosan
c. pentosan
d. diosan
e. all of these - CORRECT ANSWER- ✔✔a. fructosan
The usual source of tannins from plants:
a. barks/stems
b. seeds
c. roots
d. rhizomes
e. all of these - CORRECT ANSWER- ✔✔a. barks/stems
Ethanol and citric acid are produced by the cellular respiration of carbohydrates, especially
a. glucose
b. sucrose
c. fructose
d. xylose
e. lactose - CORRECT ANSWER- ✔✔a. glucose
Because mannitol is absorbed from the GIT and parenterally is not metabolized, then it is
used as:
a. digestant
b. osmotic diuretic
c. acidulant
,d. cathartic
e. laxative - CORRECT ANSWER- ✔✔b. osmotic diuretic
This gum has pseudo-plastic property to enable ointments to hold their shape and spread
readily.
a. karaya
b. xanthan
c. guar
d. locust bean
e. Indian gum - CORRECT ANSWER- ✔✔b. xanthan
The following are general stemps in the preparation of the crude drug for commercial market,
except
a. harvesting
b. garbling
c. storage and drying
d. none of the above - CORRECT ANSWER- ✔✔d. none of the above
The usual source of fixed oils
a. flowers
b. seeds
c. leaves
d. stems
e. roots/rhizomes - CORRECT ANSWER- ✔✔b. seeds
This is used as an antidone for alkaloidal poisoning:
a. lactic acid
b. tannic acid
c. tartaric acid
d. picric acid
e. gallic acid - CORRECT ANSWER- ✔✔b. tannic acid
,The most important of the opium alkaloids is:
a. heroin
b. codeine
c. morphine
d. narcotine
e. papaverine - CORRECT ANSWER- ✔✔c. morphine
The red-colored product formed when tannins are treated with hydrolytic agents is known as:
a. amolonin
b. diosgenin
c. phlobaphenes
d. catechin
e. leucocyanidin - CORRECT ANSWER- ✔✔c. phlobaphenes
The most widely used alkaloid is:
a. heroin
b. codeine
c. morphine
d. narcotine
e. papaverine - CORRECT ANSWER- ✔✔b. codeine
Tannins have the ability to precipitate _______ which is utiliezed in vegetable tanning which
converts animal hides to leather:
a. fats
b. carbohydrates
c. alkaloids
d. proteins
e. glycosides - CORRECT ANSWER- ✔✔d. proteins
, Among the anthraquinone glycosides, this is not employed as cathartic because it is too
irritating to use:
a. aloe
b. frangula
c. rhubarb
d. senna
e. chrysarobin - CORRECT ANSWER- ✔✔e. chrysarobin
Ethiodized oil is an iodine addition product of ethyl ester of the fatty acid of:
a. corn
b. peanut
c. almond
d. soybean
e. poppy seed - CORRECT ANSWER- ✔✔e. poppy seed
The alkaloid present in Rauwolfia is:
a. emetine
b. reserpine
c. physostigmine
d. morphine
e. scopolamine - CORRECT ANSWER- ✔✔b. reserpine
The alkaloid formed by the acetylation of morphine is:
a. heroin
b. codeine
c. morphine
d. cocaine
e. papaverine - CORRECT ANSWER- ✔✔a. heroin
One of the following does not belong to the grouop; the volatile oils present in Vick's vaporub
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