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Pharmacognosy and Plant Chemistry Exam Questions With Verified Answers.
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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....

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  • October 20, 2024
  • 65
  • 2024/2025
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©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM



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

e. lactose - answer✔a. glucose

, ©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM


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:

, ©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM


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

, ©SIRJOEL EXAM SOLUTIONS
10/7/2024 11:03AM


b. carbohydrates
c. alkaloids
d. proteins

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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