Answers | Latest Version | 2025/2026 |
Correct & Verified
Which of the following best defines pharmacognosy?
a. Study of drug manufacturing
✔✔ b. Study of drugs of natural origin
c. Study of drug metabolism
d. Study of synthetic drugs
Which class of natural products includes morphine, quinine, and atropine?
a. Flavonoids
b. Glycosides
✔✔ c. Alkaloids
d. Saponins
What is the main source of cardiac glycosides?
a. Rauwolfia
✔✔ b. Digitalis
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,c. Ephedra
d. Papaver
Which technique is commonly used to identify plant drugs macroscopically?
✔✔ a. Organoleptic evaluation
b. TLC
c. HPLC
d. Spectrophotometry
Which compound gives the characteristic yellow color in turmeric?
✔✔ a. Curcumin
b. Aloin
c. Diosgenin
d. Quercetin
Which plant part is mostly used in the preparation of ginger drug?
a. Leaves
b. Roots
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, ✔✔ c. Rhizomes
d. Seeds
What is the term for the active principle of a drug that produces its pharmacological effect?
✔✔ a. Phytoconstituent
b. Excipient
c. Adjuvant
d. Preservative
Which alkaloid is used as a hypertensive agent from Rauwolfia serpentina?
✔✔ a. Reserpine
b. Morphine
c. Atropine
d. Quinine
Which method is used for quantitative estimation of plant alkaloids?
a. Organoleptic evaluation
✔✔ b. Gravimetric and titrimetric methods
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