Pharmacognosy - Alkaloids MCQs For Pharmacy Exam

Pharmacognosy – Alkaloids MCQs For Pharmacy Exam

Here I have some important questions of Pharmacognosy to ask from alkaloids. I have prepared it by searching from different places. If there are any mistakes, I will correct them. Please give suggestions. The questions published here are all mine. Pharmacognosy – Alkaloids MCQs For Pharmacy Exam content I think will help everyone

Pharmacognosy – Alkaloids MCQs For Pharmacy Exam

1. Protoalkaloids are also called as :
a) Amino alkaloid
b) Pseudo alkaloid
c) True alkaloid
d) Extra alkaloid
Ans : a

2. True alkaloids are always present in plants as:
a) Salts of inorganic acid
b) Salts of organic acid
c) Salts of me conic acid
d) Salts of benzoic acid
Ans: b

3. The example of pseudoalkaloid :
a) Caffeine
b) Hygrine
c) Arecoline
d) Lobeline
Ans : a

4. Which drug is not under the chemical class of indole?
a) Quinidine
b) Quinine
c) Atropine
d) camptothecin
Ans : c

5. The ring structure present in strychnine :
a) Indole
b) Pyrrole
c) Pyridine
d) Piperidine
Ans : a

6. Drug is an example of amino alkaloid :
a) Ephedrine
b) Aconine
c) Caffeine
d) Theophylline
Ans : b

7. Deadly Nightshade is the synonym of the drug :
a) Datura
b) Belladonna
c) Cinchona
d) Coca
Ans : b

8. Family of the Vinka :
a) Rubiaceae
b) Solanaceae
c) Apocyanaceae
d) Erythroxylaceae
Ans : c

9. Which is not the use of Ergot?
a) Oxytocin
b) Prevent post partum hemorrhage
c) Migraine
d) Laxative
Ans : d

10. Nux vomica is not used as:
a) CNS stimulant
b) bitter stomachic
c) Tonic
d) Expectorant
Ans : d

11. Family of Ipecac is :
a) Rubiaceace
b) Theaceae
c) Solanceae
d) Acantheceae
Ans: a

11. Which is not the use of Stramonium ?
a) Anticholinergic
b) Mydriatic
c) Antiadrenergic
d) Control of Motion sickness
Ans : c

12. Which is not the chemical constituent naturally obtained from Opium?
a) Morphine
b) Codeine
c) Narcotine
c) Heroine
Ans : d

13. Which is the active chemical constituent obtained from Ipecac ?
a) Cephaeline
b) Berberine
c) Hydrastine
d) Tropane
Ans : a

14. ‘Thorn apple’ is the synonym for the drug:
a) Belladonna
b) Cinchona
c) Datura
d) Stramonium
Ans : d

15. Which drug is not belonging to family Apocyanaceae ?
a) Vinca
b) rauwolfia
c) Kurchi
d) Gloriosa
Ans : d

16. Which is not the biological source of Cinchona ?
a) Cinchona calisaya
b) cinchona officinalis
c) Cinchona succirubra
d) Cinchona indica
Ans : d

17. Which ergot alkaloid is water-soluble ?
a) Ergotamine
b) Ergosine
c) Ergocristine
d) Ergometrine
Ans : d

18. Ergometrine alkaloid shows :
a) Laevo
b) Dextro
c) Racemic mixture
d) Trans
Ans : a

19. Ergometrine shows configuration :
a) Laevo
b) Dextro
c) Racemic Mixture
d) trans
Ans : b

20. Ergot contains large number of indole alkaloids, which are the derivatives of :
a) Lysergic acid
b) Benzoic acid
c) Cinnamic acid
d) Meconic acid
Ans : a

21. Which forms of the ergot alkaloids are especially important?
a) Laevo
b) Dextro
c) cis
d) trans
Ans : a

22. How many pairs of alkaloid are present Ergot ?
a) Five
b) Four
c) Three
d) Six
Ans : d

23. Ergot powder gives blue color with :
a) P-dimethylaminobenzaldehyde
b) Benzaldehyde
c) Cinnamaldehyde
d) Formaldehyde
Ans : a

24. Van-Urk’s reagent chemically is :
a) P-dimethylaminobenzaldehyde
b) Benzoic acid+Cinnamic acid
c) P-dimethylbenzoic acid
d) Cinnamaldehyde
Ans : a

25. Ergometrine gives fluorescence in water :
a) Yellow
b) Green
c) Red
d) Blue
Ans : d

26 ‘Crow fig’ is the synonym for the drug:
a) Strychnous nux vomica
b) Rauwolfia sepentina
c) Rauwolfia densiflora
d) Rauwolfia vometoria
Ans : a

26. Stychnous nux vomica belongs to family :
a) Scrophulareaceae
b) Liliaceae
c) Apocyanaceae
d) Loganiaceae
Ans : d

27. One of the following microscopic characters not associated with Nux Vomica is :
a) Epidermis consist of lignified trichomes
b) Epidermis is followed by layer of collapsible cells
c) Endosperm shows presence of plasmodesma
d) Calcium oxalate crystal and starch grain are present
Ans : d

28. Lignified trichomes is characteristic of drug :
a) Catharanthus
b) Cassia angustifolia
c) Strychnous nux vomica
d) Digitalis purpurea
Ans:c

29. When the transverse section of nux vomica is treated with ammonium vanadate and sulphuric acid, the endospermic cells show purple colour, due to presence of:
a) Strychnine
b) Brucine
c) a-Coubrine
d) B-coubrine
Ans : a

30. When the transverse section of nux vomica is treated with nitric acid, it shows yellow colour due to presence of :
a) Strychnine
b) Brucine
c) a-Coubrine
d) B-coubrine
Ans : b

31. Biological source of nux vomica is :
a) Strycnous nux vomica
b) Strychnous potatorum
c) Strychnous nux blanda
d) strychnous wallichiana
Ans : a

32 The important chemical constituents of rauwolfia is :
a) Reserpine
b) Resercinnamine
c) Ajamalicine
d) Desperidine
Ans: a

33. Reserpine, when treated with solution of vanillin in acetic acid shows colour
a) Red
b) Green
c) Blue
d) Pink
Ans : a

34. Diacetyl derivative of morphine is :
a) Codeine
b) Heroin
c) Papaverine
d) Thebaine
Ans : b

35. The opium alkaloids are present in plant as salt of :
a) Benzoic acid
b) Tartaric acid
c) Meconic acid
d) Acetic acid
Ans : c

36. Opium when dissolved in water and filtrate is treated with ferric chloride solution, it shows colour :
a) Reddish purple
b) Green
c) Yellow
d) Orange
Ans : a

37. Which compound is showing the most potent analgesic property?
a) Heroin
b) Morphine
c) Codeine
d) Papaverine
Ans : a

38. Trukish opium is commonly known as:
a) Chemist opium
b) Druggist opium
c) Chinese opium
d) Chemist and druggist
Ans : b

39. Cephaelis Ipecacuanha belongs to family:
a) Rubiaceae
b) Liliacaceae
c) Apocyanaceae
d) Rutaceae
Ans : a

40. Which is not the characteristic feature of alkaloid ?
a) Complex molecular structure and nitrogen in the molecule
b) Basic in nature
c) Biosynthetically derived
d) Acidic in nature only
Ans : d

41. Jesuit’s bark is synonym of :
a) Coca leaves
b) Ipecacuanha
c) Cinchona
d) Calumba
Ans : c

42. Which alkaloid is not present in cinchona bark?
a) Quinidine
b) Quinine
c) Quinovin
d) Cinchonin
Ans : c

43. Which species of cinchona contains highest percentage alkaloid ?
a) cinchona succirubra
b) Cinchona officinalis
c) Cinchona calisaya
d) Cinchona ledgeriana
Ans : a

44. Which is not the prominent chemical constituent in Ipecac?
a) Emetine
b) Pyschotrine
c) Cephaeline
d) Cinchonine
Ans : d

45. The pharmacological action of Ipecac:
a) Stimulant
b) Emetic
c) Sedative
d) Hypnotic
Ans : b

46. Papaverine, narcotine and narceine is under the chemical class:
a) Quinoline
b) Benzyl isoquinoline
c) Isoquinoline
d) Benzophenone
Ans : c

47. Papaverine shows pharmacological activity:
a) Spasmolytic
b) Emetic
c) Antitussive
d) Antipyretic
Ans : a

48. In UV light Ergot shows fluorescence :
a) Yellow
b) Blue
c) Red
d) Violet
Ans : c

49. Adulterants of rauwolfia serpentine are distinguished on the basis of :
a) Presence of sclernchyma
b) Absence of sclerenchyma
c) Presence of parenchyma
d) Absence of parenchyma
Ans : a

50. Glycoside present in stychnous nux vomica :
a) Strychnine
b) Brucine
c) Ajmaline
d) Loganine
Ans : d

51. Major pharmacological action of Ephedrine :
a) Kidney failure
b) Anti-inflammatory
c) Heart failure
d) Bronchial asthma
Ans : d

52. Morphine contains main nucleus :
a) Phenanthrene
b) Anthracene
c) Naphthalene
d) Naphthacene
Ans : a

53. The characteristic not associated with alkaloids:
a) They all contain nitrogen
b) Most of non-volatile alkaloids are solid
c) All the alkaloid contains sulphur
d) They are physiologically active
Ans : c

54. Thalleoquin test contain reagents:
a) Bromine water + Few drops of ammonia
b) Potassium permanganate + Few drops of ammonia
c) Bromine water + Nitric acid
d) Bromine water + Sodium hydroxide
Ans : a

55. Thalleoquin test is used for identification of :
a) Atropine
b) Vincristine
c) Quinine
d) Strychnine
Ans : c