Pharmacognosy and Plant Chemistry Exam Questions With Verified Answers.
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Course
Pharmacology
Institution
Pharmacology
Pharmacognosy and Plant Chemistry Exam
Questions With Verified Answers.
A glucosan yield glucose units on hydrolysis, while inulin is a ___________
a. fructosan
b. hexosan
c. pentosan
d. diosan
e. all of these - answera. fructosan
The usual source of tannins from plants:
a. barks/stems
b....
Pharmacognosy and Plant Chemistry Exam
Questions With Verified Answers.
A glucosan yield glucose units on hydrolysis, while inulin is a ___________
a. fructosan
b. hexosan
c. pentosan
d. diosan
e. all of these - answer✔a. fructosan
The usual source of tannins from plants:
a. barks/stems
b. seeds
c. roots
d. rhizomes
e. all of these - 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
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 - 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 - 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 - answer✔d. none of the above
The usual source of fixed oils
a. flowers
b. seeds
c. leaves
d. stems
e. roots/rhizomes - 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 - answer✔b. tannic acid
The most important of the opium alkaloids is:
a. heroin
b. codeine
c. morphine
d. narcotine
e. papaverine - 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 - answer✔c. phlobaphenes
The most widely used alkaloid is:
a. heroin
b. codeine
c. morphine
d. narcotine
e. papaverine - answer✔b. codeine
Tannins have the ability to precipitate _______ which is utiliezed in vegetable tanning which
converts animal hides to leather:
a. fats
e. glycosides - 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 - 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 - answer✔e. poppy seed
The alkaloid present in Rauwolfia is:
a. emetine
b. reserpine
c. physostigmine
d. morphine
e. scopolamine - answer✔b. reserpine
The alkaloid formed by the acetylation of morphine is:
a. heroin
b. codeine
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