SHS 101 PHARMACOGNOSY (PACOP BLUE) | 300 QUESTIONS AND CORRECT ANSWER (VERIFIED ANSWERS) | SUMMER 2026 | GRADED A+

SHS 101 PHARMACOGNOSY (PACOP BLUE) | 300 QUESTIONS AND
CORRECT ANSWER (VERIFIED ANSWERS) | SUMMER 2026 | GRADED A+

PHARMACOGNOSY (PACOP BLUE)
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___ 1. In order to understand better pharmacognosy, a student should have a background in:
a. Botany c. Chemistry e. none of the above
b. Zoology d. all of the above

___ 2. Organoleptic evaluation of drugs includes:
a. Sound of fracture c. color, odor, taste e. none of the above
b. Feel of the drug to the touch d. all of the above

___ 3. All are considered, underground structure except.
a. Rhizome c. Corm e. none of the above
b. Bulb d. none of the above

___ 4. Fracture types of underground parts are listed below except:
a. Complete c. Brittle
b. Fibrous d. Soft
c.
___ 5. Barks used as drugs are shaped as:
a. Flat c. Channeled e. None of the above
b. Quill d. All of the above

___ 6. All are considered flower parts except
a. Receptacle c. Corymb
b. Androecium d. Gynoecium

___ 7. Parenchyma containing chloroplasts are called a.
Chloroplasma c. Chlorenchyma Cells
b. Chlorphyll d. Chloroplasts

___ 8. Idioblasts are cells containing a large amount of ___?
a. Calcium silicate crystals c. calcium oxalate crystals
b. Calcium chloride crystals d. calcium sulphate crystals

___ 9. ___ of calcium carbonate occur in leaf epidermal cells and hairs.
a. Rosettes c. Crystoliths e. All of the above
b. Raphides d. None of the above

___ 10. The vascular cylinder is composed of tissues, namely:
a. Phloem c. All of the above
b. Xylem d. None of the above

___ 11. Cork cambium produces
a. Cork cells c. All of the above
b. Phelloderm d. None of the above

,___ 12. Groups of compounds that makes wood become darker in color:
a. Resins c. All of the above
b. Tannins d. None of the above

___ 13. Chloral hydrate solution is a saturated solution of chloral hydrate in water that dissolves ___ .
a. Starch c. Protein
b. Resins d. All of the above


___ 14. The following are parenchymatous tissues except:
a. Stomata c. Pericap tissue
b. Androecium d. Endosperm
___ 15. Everything is true about glandular hairs, except:
a. These hairs may either be unicellular or multicellular.
b. These are protusions from the cambium.
c. The cuticle may be raised by the secretion commonly found in Lamiaceae plants.

___ 16. Starches are usually isolated from these plant parts, except:
a. Rhizome c. Seed e. All of the above
b. Fruit d. None of the above

___ 17. Anthraquinone derivatives are often colored ___ ?
a. Red c. Orange-Red
b. Orange d. Blue

___ 18. Borntrager test is used for the detection of:
a. Saponin c. Volatile oils
b. Alkaloid d. Anthraquinone

___ 19. Borntrager test produces___ color.
a. Pink c. Violet e. None of the above
b. Red d. All of the above

___ 20. ___ is a plant drug used in Chinese medicine as early as 2700 B.C.
a. Rhubarb c. Squill
b. Ginseng d. Glycyrrihiza

___ 21. A compound containing equimolar amounts of picrotoxinin and picrotin is ___?
a. Strophantin c. Picrotin
b. Picrotoxigenin d. Picrotoxin

___ 22. Sinigrin is hydrolysed by the enzyme ___.
a. Beta-amylase c. Ptyalin
b. Myrosin d. Emulsion

___ 23. Product of amygdalin hydrolysis is ___.
a. Hydrocyanic acid c. All of the above
b. Benzaldehyde d. None of the above

___ 24. The active constituent of saffron is ___?
a. Myrosin c. Picrosin
b. Sinigrin d. Crosin

, ___ 25. ___ is a vesicating principles from Spanish Flies.
a. Cantharidin c. Crocin
b. Picrocrocin d. Picretin
c.
___ 26. ___ is a process based on the distribution of a mixture between 2 phases.
a. Painting c. Filtration
b. Electrolysis d. Chromatography


___ 27. Tannins are characterized as:
a. Amorphous polyhydroxy-phenolic compounds c. None of the above e. All of the above
b. Possesing an astringent taste d. A and B only

___ 28. Hydrolyzable tannins are characterized as:
a. Yielding gallic acid when hydrolysed d. All of the above
b. Turns bluish black with ferric chloride TS e. None of the above
c. Converted to pyrogallol on dried distillation
___ 29. The precursor of the aromatic ring in microorganisms and higher plants is ___?
a. Shikimic acid c. Citric acid
b. Pyruvic acid d. Acetic acid

___ 30. Volatile oils are isolated by ___.
a. Solvent extraction c. Steam Distillation e. None of the above
b. Destructive Distillation d. All of the above

___ 31. Volatile oils may occur in the ___ of the plant.
a. Oil cells c. Ducts e. None of the above
b. Glandular hairs d. All of the above

___ 32. Volatile oils are used for ___?
a. Therapeutic action c. Perfumery e. None of the above
b. Flavoring d. All of the above

___ 33. Volatile oils are usually obtained by steam distillation, with the exception of the oils from ___.
a. Pinaceae c. Umbelliferae
b. Rutaceae d. Rosaceae

___ 34. Volatile oils obtained by expression of the fresh peels are:
a. Orange oil c. Lemon oil e. None of the above
b. Bitter orange oil d. All of the above

___ 35. Isoprenoids are composed of ___.
a. Steroids c. Rubber e. None of the above
b. Carotenoids d. All of the above

___ 36. The term RESIN usually apply to:
a. Solid, amorphous product of complex chemical structure.
b. Hard, transparent or translucent exudates
c. Soften and finally melts upon standing
d. All of the above
e. None of the above

___ 37. Resins are usually insoluble in ___.