Pharmacognosy and phytochemistry mcq with answer

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MCQs set of pharmacognosy

1. Quinone on treatment with amynitrate in presence of hydrochloric acid gives oxime. This concludes the presence of characteristic moiety. Identify it

(a) -CHCO
(b) -CH-NO
(c) —CH,–CO
(d) -CH₂-CH=CH₂

Answer- (b) -CH-NO

2. Which aldehyde undergoes Cannizaro reaction?

(a) Acetaldehyde
(b) Benzeldehyde
(c) Phenyl acetaldehyde
(d) Propionaldehyde

Answer-(b) Benzeldehyde

3. Cephaeline differs from emetine in possessing

(a) Heterocyclic ring
(b) Hydroxy group in place of methoxy group, present in emetine
(c) Double bond
(d) N-CH, group

Answer-(b) Hydroxy group in place of methoxy group, present in emetine

4. Morphine on distillation with zinc dust yield

(a) a-codeimethine
(b) Morphenol
(c) Morphol
(d) Phenanthrene

Answer-(d) Phenanthrene

5. Ergotamine on alkaline hydrolysis gives

(a) Isolysergic acid and alanine
(b) Lysergic acid and a-hydroxy alanine
(c) Lysergic acid and a-hydroxy phenylalanine
(d) Lysergic acid and a-hydroxy alanine and proline

Answer-(b) Lysergic acid and a-hydroxy alanine

6. Brucine and Strychnine are isolated from strynes nuxvomica. Brucine is

(a) Dealkaly derivative of strychnine
(b) Dimethoxy derivative of strychnine
(c) Saturated analogue of strychnine
(d) demethylated derivative of strychnine

Answer-(b) Dimethoxy derivative of strychnine

7. The saponification value is defined as

(a) number of milligrams of potassium hydroxide required to neutralize the free acids and saponify the ester contain in 1 gms of fats
(b) number of grams of same as above
(c) number of grams of same as above
(d) None of the above

Answer- (a) number of milligrams of potassium hydroxide required to neutralize the free acids and saponify the ester contain in 1 gms of fats

8. Borneol on oxidation gives

(a) Camphor
(b) a-pinene
(c) Borneone
(d) ISO borneol

Answer-(a) Camphor

9. The sugar lactulose is

(a) disaccharide,
(b) aldohexose, an epimer of glucose
(c) polysaccharide, a derivative of starch
(d) monosaccharide, an epimer of fructose

Answer-(a) disaccharide

10. Which one of these is known as wood sugar?

(a) Xylose
(b) Cellulose
(c) Amylose
(d) Maltose

Answer-(b) Cellulose

11. Which one of these structures is related to carvacol?

Answer-(A)

12. Penicillin on hydrolysis with alkali gives

(a) Penicilloic acid
(b) Penaldic acid
(c) Penicillic acid
(d) Penicillamine

Answer-

13. Which one of these is a B-lactamase inhibitor?

(a) Chloramphenicol
(b) Cefadroxil
(c) Clavulanic acid
(d) Ampicillin

Answer- (a) Chloramphenicol

14. The first hydrolytic product of STREPTOMYCIN with methanolic hydrochloric acid is given below. Identify the correct one

(a) Streptidine + Streptose + N-methyl glucosamine

(b) Streptidine + Methyl strepto – biosaminide dimethyl acetal
(c) Streptamine + Streptose + N-methyl glucosamine
(d) Streptamine + Streptose dimethyl acetal + N-methyl glucosamine

Answer-(a) Streptidine + Streptose + N-methyl glucosamine

15. The levorotatory isomer of atropine is

(a) Hyoscine.
(b) Hyoscyamine
(c) Tropine
(d) Psudotropine

Answer-(a) Hyoscine.

16. In cephalosporins, the lactam ring is fused with

(a) Thiazolidine system
(b) 1, 3 dihydrothiazine system
(c) Thiazine system
(d) Dehydro thiazolidine system

Answer- (b) 1, 3 dihydrothiazine system

17. Gentamycin on hydrolysis gives

(a) Garosamine + purpuroamine + 2-deoxy streptamine
(b) Garosamine + streptose + purpurosamine
(c) Garosamine + streptamine + 2-deoxy streptose
(d) 3-amino, 2-deoxy – glucose + purpurosamim + 2-deoxy streptamine

Answer- (a) Garosamine + purpuroamine + 2-deoxy streptamine

18. Progesterone is commercially synthesized from

(a) Stigmasterol
(b) Sarsapogenin
(c) Progenin
(d) Estradiol

Answer-(a) Stigmasterol

19. Sonneuschein’s reagent is used for the detection of:

(a) Tannins
(b) Glycosides
(c) Alkaloids
(d) All of the above

Answer- (c) Alkaloids

20. Scheibler’s reagent is used for the detection of:

(a) Glycosides
(b) Alkaloids
(c) Tannis
(d) All of the above

Answer- (b) Alkaloids

21. Otto Reaction is used for the detection of

(a) Brucine
(b) Yohimlene
(c) Strychnine
(d) Referpine

Answer-

22. Ergotamine on alkaline hydrolysis gives :

(a) d-lysergic acid + a-hydroxyalanine +1-phenylalanine + d-leucinac
(b) d-lysergic acid + a-hydroxyvaline + Tryptophan
(c) d-lysergic acid + a-hydroxylanine +1-pheylalanine + d-Proline
(d) d-lysergic acid + a-hydroxyolanine +1-phenylalanine + d-proline

Answer-(c) d-lysergic acid + a-hydroxylanine +1-pheylalanine + d-Proline

23. Morphine on zinc dust or selenium distillation gives:

(a) Phenanthrene
(b) Napthacene
(c) Quinoline
(d) Isoquinlin

Answer- (d) Isoquinlin

24. Narcotine contains which of the following moiety?

(a) Phenanthrene
(b) Quinoline
(c) Isoquinoline
(d) Indole

Answer- (c) Isoquinoline

25. Papaverine on oxidation which hot conc. KMnO, gives:

(a) 6,7-Dimthoxyisoquinoline -1- carloxylic acid + Veratic Acid
(b) 6-methoxyisoquinoline -1- carloxylic acid + Isoveratic Acid
(c) 5,6-Dimthoxyisoquinoline -1- carloxylic acid + Veratic Acid
(d) 7-methoxyisoquinoline + Veratic

Answer- (a) 6,7-Dimthoxyisoquinoline -1- carloxylic acid + Veratic Acid

26. Acid Citral on oxidation with alkaline permangnate followed by chromic acid gives:

(a) Laevulic acid + Acetone
(b) Laevulic acid + oxalic acid + Acetone
(c) 3-methyadipic acid + oxalic acid + Acetone
(d) None of the above

Answer- (b) Laevulic acid + oxalic acid + Acetone

27. Citral-b is a

(a) Cis isomer
(b) Trans isomer
(c) Cis-trans isomer
(d) None of the above

Answer- (a) Cis isomer

28. On thermal decomposition, any terpenoid gives:

(a) 2-methyl-1, 3-butadiene
(b) 3-methyl-1, 2-butadiene
(c) 4-methyl-1-pentene
(d) None of these

Answer-(a) 2-methyl-1, 3-butadiene

29. Salkowski test is used to detect :

(a) Terpenes
(b) Alkaloids
(c) Tannins
(d) None of these

Answer-(a) Terpenes

30. Noller test is used to detect :

(a) Alkaloids
(b) Tannins
(c) Terpenes
(d) Rasins

Answer- (c) Terpenes

31. Liberman’s test is used to detect :

(a) Terpenes
(b) Steroius
(c) Amino acids
(d) None of these

Answer- (b) Steroius

32. Theophylline on oxidation gives:

(a) Methylalloxan + Methylurea
(b) Alloxan + Urea
(c) Dimethylalloxan + Methylurea
(d) Dimethylalloxan + Urea

Answer- (d) Dimethylalloxan + Urea

33. Citral on reaction with acetones gives :

(a) Cyclocitral
(b) Ionone
(c) Pulegone
(d) None

Answer- (b) Ionone

34. α -pinene on hydration is the presence of C₂H2OH/H₂SO4 gives :

(a) Menthol
(b) Geraniol
(c) α-Terpineol
(d) None

Answer-(c) α-Terpineol

35. Camplor on distillation with ZnCl₂. gives:

(a) p-cymene
(b) Limonene
(c) Menthone
(d) None of these

Answer- (a) p-cymene

36. Camphor on distillation with 1₂ gives:

(a) Carvone
(b) Carvacrol
(c) Limonene
(d) None of these

Answer- (b) Carvacrol

37. In stereochemistry of camphor which of the following isomers are known:

(a) cis
(b) trans
(c) cis and trans both
(d) None of these

Answer- (a) cis

38. Herzig Meyer method is used to detect :

(a) N-alkyl group
(b) N-aryl group
(c) hydroxy-group
(d) None of these.

Answer-(a) N-alkyl group

39. Zeigel method is used to estimate the number of

(a) Aldehyde group
(b) Ketone groups these
(c) Alkoxyl group
(d) None of these

Answer- (a) Aldehyde group

40. Ephedrine on heating with HCl gives

(a) Acetone + Ethylamine
(b) Acetophenone + Methylamine + Phenylacetone
(c) Propiopheone + Methylamine + Phenylacetone
(d) None of these

Answer- (c) Propiopheone + Methylamine + Phenylacetone

41. Thevetia nerrifolia contain

(a) Anthraquinone glycoside
(b) Flavonol glycoside
(c) Cardiac glycoside
(d) Triterperiod glycoside

Answer- (c) Cardiac glycoside

42. Which one of these is an immunomodulator

(a) Ginseng
(b) Campothica
(c) Taxus
(d) Guggul

Answer- (a) Ginseng

43. Which one of these are naturally occurring insecticides?

(a) Chlordane
(b) Rotenone
(c) Phorate
(d) Thimetor

Answer- (b) Rotenone

44. Which belongs to the category of auxins?

(a) Indole-3-butyric acid
(b) a-Napthyl acetic acid
(c) Inapthyl acetamide
(d) All of the above

Answer- (c) Inapthyl acetamide

45. The word ‘Gibbrellic acid’ denote

(a) GA1
(b) GA₂
(c) GA3
(d) GA7

Answer- (c) GA3

46. Which gas affects the ripening of fruits?

(a) Ethylene
(b) Phosphine
(c) Acetylene
(d) None of these

Answer- (a) Ethylene

47. The term ‘Garbling’ is defined as

(a) removal of sand and dirt from the crude drug
(b) removal of the stem in lobelia
(c) removal of stalls in cloves
(d) removal of entraneous matter, not constituting drug

Answer- (d) removal of entraneous matter, not constituting drug

48. ‘Peri-winkle’ is a common name for

(a) Catharanthus roseus
(b) Digitalis purpurea
(c) Adhathoda vasaka
(d) Hyoscyamus niger

Answer- (a) Catharanthus roseus

49. Isabgol is largely cultivated

(a) Madhya Pradesh
(b) Karnataka
(c) Gujarat
(d) Andhra Pradesh

Answer- (c) Gujarat

50. ‘Gudmar’ is a common name

(a) Gymnema Sylvestre
(b) Solanum nigrum
(c) Solanum xanthocarpum
(d) Embelica officinalis

Answer-(a) Gymnema Sylvestre

MCQs set of pharmacognosy

51. ‘Tejpatra’ is a common name

(a) Cimmamomum zeylanicum
(b) Cinnamomum Tamala
(c) Eugenia caryophyllus
(d) Eugenia zeylanicum

Answer- (d) Eugenia zeylanicum

52. Polyploidy may be induced by

(a) Colchicine
(b) Aconitine
(c) Veratrine
(d) Colchicine and veratrine

Answer-(a) Colchicine

53. ‘Chemodems’ are regarded as a group of plants

(a) which differ in morphological character but possess the same chemical constituents
(b) which differ in chemical nature but possess identical morphological character
(c) which differ in both morpho-logical character and chemical nature
(d) which differ only in the percentage of active constituents

Answer- (c) which differ in both morpho-logical character and chemical nature

54. ‘Tropane alkaloids’ are biosynthesized in the plant from

(a) ornithine
(b) lysine
(c) tryptophan
(d) phenylalanine

Answer-(a) ornithine

55. ‘T’ shaped trichomes are present in

(a) Buchu leaves
(b) Lobelia
(c) Pyrethrum
(d) Hamamelis

Answer- (c) Pyrethrum

56. Lignified trichomes are characteristic of

(a) Nux vomica
(b) Cannabis
(c) Belladonna
(d) Artemisia

Answer-(a) Nux vomica

57. Powdered ginger can be best analyzed with the help of

(a) trichomes
(b) chemical test
(c) fiber
(d) lycopodium spore method

Answer-(d) lycopodium spore method

58. The % moisture content in ‘Ergot’ should not be more than

(a) 5%
(b) 8%
(c) 15%
(d) 20%

Answer-(b) 8%

59. The Gentianose is a

(a) Monosaccharide
(b) Disaccharide
(c) Trisaccharide
(d) Polysaccharides

Answer-(b) Disaccharide

60. The drug ‘Pectin’ belongs to the category of

(a) Polyuronide
(b) Disaccharide
(c) Alkaloid
(d) Monosaccharide

Answer- (a) Polyuronide

61. ‘Arabin’ is a principal constituent of

(a) Gum acacia
(b) Tragacanth
(c) Guar gum
(d) Gum karaya

Answer-(a) Polyuronide

62. Gum ghatti is an adulterant for

(a) Acacia
(b) Starch
(c) Exudates coming from stem
(d) Bark

Answer- (a) Polyuronide

63. Guar gum is located in

(a) Cotyledons
(b) Endosperm
(c) Tragacanth
(d) Guggal

Answer- (b) Endosperm

64. Artificial invert sugar in honey can be detected on the basis of the presence of

(a) Cotouring matter
(b) Traces of succinic acid
(c) Furfural
(d) Enzymes

Answer- (c) Furfural

65. Tragacanth contain

(a) 20% arabin
(b) 60-70% bassorin
(c) 20% bassorinin
(d) Guaran

Answer- (b) 60-70% bassorin

66. Macrocystis pyrifera is a common source for

(a) Tragacanth
(b) Sodium polymannuronate
(c) Honey
(d) None of them

Answer- (b) Sodium polymannuronate

67. Which one of these forms copious precipitates with calcium chloride?

(a) Sodium alginate
(b) Pectin
(c) Gum acacia
(d) Guar gum

Answer- (a) Sodium alginate

68. Gum Ghatti is a gummy exudate obtained from

(a) Sterculia urens
(b) Citrus limon
(c) Anogeissus latifolia
(d) Astragalus gummifer

Answer- (c) Anogeissus latifolia

69. Chitosan is a

(a) acetylated product of chitin
(b) deacetylated product of chitin
(c) sulphonated product of chitin
(d) any of the above

Answer- (b) deacetylated product of chitin

70. Polyploid is defined as

(a) addition of one chromosome
(b) multiplication of entire chromosome
(c) submicroscopic changes in DNA material
(d) gross structural changes

Answer- (b) multiplication of entire chromosome

71. Colchicine is biogenetically derived from one of the following

(a) Tyrosine and phenylalanine
(b) Tryptophan and phenylalanine and phenylalanine
(c) Ormithine and tryptophan
(d) Ornithine

Answer- (a) Tyrosine and phenylalanine

72. Which statement is true about Bael fruits

(a) Bael contains marmelosin
(b) Bael is a mucilaginous fruit
(c) Its pulp contains Vitamin C and Vitamin A
(d) All of them

Answer-(d) All of them

73. Agar contains

(a) Agarose.
(b) Agaropection
(c) Agarose and agaropectin
(d) Galidin

Answer- (c) Agarose and agaropectin

74. Dextrin is produced from

(a) hydrolysis of starch
(b) acid treatment of honey
(c) oxidation of starch
(d) reduction of starch

Answer- (a) hydrolysis of starch

75. Which statement is true?

(a) Amylose is water soluble
(b) Amylose gives blue colour with iodine solution
(c) Amylose is a polysaccharide
(d) All of the above

Answer-(d) All of the above

76. Cascarosides are an example of

(a) O-glycoside
(b) C-glycoside
(c) N-glycoside
(d) S-glycoside

Answer- (b) C-glycoside

77. Hesperidin is a

(a) Alkaloid
(b) Flavonoid
(c) Steroidal saponin
(d) Coumarin

Answer- (b) Flavonoid

78. Bontrager test is performed to detect the presence of

(a) Anthraquinone glycoside
(b) Cardiac glycoside
(c) Coumarin
(d) Reduced form of Anthranols

Answer- (a) Anthraquinone glycoside

79. Senna is mainly cultivated in

(a) Tamil Nadu
(b) Kerala
(c) Karnataka
(d) Andhra Pradesh

Answer- (a) Tamil Nadu

80. Which statement about senna leave is not true?

(a) Leaves are lanceolate
(b) Leave contain paracytic stomata
(c) Contain unicellular, conical thick walled trichomes
(d) Senna leaves do not contain calcium oxalate crystal

Answer-(b) Leave contain paracytic stomata

81. The aglycone of Sennoside is designated as

(a) 10, 10′-bis (9, 10 dihydro-1, 8-dihydroxy 9-oxoanthracene)-3-carboxylic acid
(b) 10, 10′-bis (9, 10 dihydro-1, 8-dihydroxy 9-oxoanthracene)-2- carboxylic acid
(c) 10, 10′-bis (8, 9 dihydro-1, 10-dihydroxy 9-oxoanthracene)-3-carboxylic acid
(d) None of them

Answer- (a) 10, 10′-bis (9, 10 dihydro-1, 8-dihydroxy 9-oxoanthracene)-3-carboxylic acid

82. ‘Kumari’ is the common name for

(a) Aloe
(b) Senna pod
(c) Rhubarb
(d) None of them.

Answer- (a) Aloe

83. Indian rhubarb is

(a) Rheum rhaponticum
(b) Rheum webbianum
(c) Rheum emodi
(d) Rheum palmatum

Answer- (b) Rheum webbianum

84. Digitalis leaves should not contain

(a) more than 1% moisture
(b) more than 5% moisture
(c) more than 10% moisture
(d) more than 15% moisture

Answer-(b) more than 5% moisture

85. Purpurea glycoside A on hydrolysis gives

(a) Digitoxigenin + glucose + 3 digitoxose
(b) Gitoxigenin + glucose + 3 digitoxose
(c) Digitoxin + glucose + 3 digitoxose
(d) Digitoxin + 3 digitoxose

Answer- (a) Digitoxigenin + glucose + 3 digitoxose

86. Keller killiani test is performed to detect the presence of

(a) digitoxin in digitalis leaves
(b) digitoxose in digitalis leaves
(c) digitoxigenin in digitalis leaves
(d) glucose in digitalis leaves

Answer-(b) digitoxose in digitalis leaves

87. Thevetia nerrifolia contain

(a) Anthraquinone nucleus
(b) Flavonol nucleus
(c) Steroid nucleus
(d) Triterperiod nucleus

Answer- (c) Steroid nucleus

88. Lactone ring in cardiac glycoside in squill is

(a) five-membered with one double bond
(b) six-membered with one double bond
(c) six-membered with two double bond
(d) six-membered with no double bond

Answer- (d) six-membered with no double bond

89. Solasodine is a

(a) Steroidal glycoalkaloid
(b) Steroidal glycoside
(c) Steroidal alkaloid
(d) None of them

Answer- (a) Steroidal glycoalkaloid

90. Which of one these drugs contain lignified fibers?

(a) Squill
(b) Liquorice
(c) Rhubarb
(d) Shatmuli

Answer-(b) Liquorice

91. Glycyrrhizinic acid belongs to the category of

(a) a-amyrin
(b) B-amyrin
(c) lupeol
(d) None of them

Answer-(b) B-amyrin

92. Licorice contains

(a) Triterpenoid glycoside
(b) Flavonoid glycoside
(c) Triterpenoid and flavonoid glycoside
(d) Coumarin glycoside

Answer- (c) Triterpenoid and flavonoid glycoside

93. Shatavari is

(a) dried roots of Asparagus recemosus belong to the family Liliaceae
(b) dried leaves of Asparagus racemosus belong to the family Liliaceae
(c) dried root, of Asparagus reacemosus belongs to family Apocyanace
(d) dried root and leaves of Asparagus reacemosus belong to family Apocyanace

Answer- (d) dried root and leaves of Asparagus reacemosus belong to family Apocyanace

94. Sarsapogenin is an aglycone of

(a) Shatavari
(b) Brahmi
(c) Centella Asiatica
(d) Solanum khasianum

Answer- (a) Shatavari

95. Panax belongs to a family

(a) Liliaceae
(b) Apocynaceae
(c) Araliaceae
(d) Rubiaceae

Answer- (c) Araliaceae

96. Ginsenosides are

(a) Saponin glycoside
(b) Anthraquinone glycoside
(c) Phenolic glycoside
(d) Cardiac glycoside

Answer- (a) Saponin glycoside

97. Senega belongs to a family

(a) Apocynaceae
(b) Polygonaceae
(c) Liliaceae
(d) Rubiaceae

Answer- (b) Polygonaceae

98. Rhytidoma is present in

(a) Cinchona bark
(b) Quillaia bark
(c) Cinnamomum bark
(d) Kurchi bark

Answer- (b) Quillaia bark

99. Cyanogenetic glycoside is present in

(a) Prunus communis
(b) Prunus Amygdalus
(c) Brassica nigra
(d) None of them

Answer- (b) Prunus Amygdalus

MCQs set of pharmacognosy

100. Prunasin is a constituent of

(a) Prunasin communis
(b) Prunasin amygdalin
(c) Prunus serotina
(d) Prunus glabra

Answer-(c) Prunus serotina

101. Singrin is a

(a) Cyanogenetic glycoside
(b) Isocyanate glycoside
(c) Flavonol glycoside
(d) Phenolic glycoside

Answer- (c) Flavonol glycoside

102. Brassica nigra belongs to a family

(a) Malvaceae
(b) Rosaceae
(c) Solanaceae
(d) Cruciferae

Answer- (d) Cruciferae

103. “Our Lady’s Thistle’ is a synonym for

(a) Cantharus roseus
(b) Silybum marianum
(c) Digitalis purpurea
(d) Vinca rosea

Answer-(a) Cantharus roseus

104. Khelloside is a constituent of

(a) Visnaga
(b) Rutin
(c) Ginkgo
(d) Ammi

Answer- (a) Visnaga

105. Bavchi is a synonym for

(a) Psoralea used in leucoderma
(b) Visnaga used in cancer therapy
(c) Psoralea used as a blood purifier
(d) Black mustard, used as a blood purifier

Answer- (a) Psoralea used in leucoderma

106. Which one of these contains longitudinal annulation?

(a) Rhubarb
(b) Liquorice
(c) Picrorrhiza
(d) Gentian

Answer- (c) Picrorrhiza

107. Ophelic acid is present in

(a) Gentian
(b) Chirata
(c) Quassia
(d) Picrorrhiza

Answer- (b) Chirata

108. Quassia is a

(a) root and rhizome of Picrasma excelsa belonging to the family Simaroubaceae
(b) dried stem wood of Picrasma excelsa belonging to the family Simaroubaceae
(c) dried stem wood of Picrasma excelsa belonging to the family Rubiaceae
(d) the dried rhizome of Picrasma excelsa belonging to the family Simaroubaceae

Answer-(d) the dried rhizome of Picrasma excelsa belonging to the family Simaroubaceae

109. Andrographide is a

(a) Triterpenoid
(b) Diterperoid glycoside
(c) Diterpenoid lactone
(d) Bicyclic diterpenoid lactone

Answer-(a) Triterpenoid

110. The constituent lawsone is present in

(a) Gymnema
(b) Henna
(c) Vasaka
(d) Hing

Answer-(b) Henna

111. Goldbeater’s skin test is specific for

(a) Tannin
(b) Saponins
(c) Triterpenoid
(d) Steroids

Answer- (a) Tannin

112. Myrobalan is

(a) fruits of Terminalia chebula, family combretaceae
(b) fruits of Terminalia arjuna, family combretaceae.
(c) fruits of Terminalia chebula, family Compositae
(d) fruits of Terminalia catappa, family Combretaceae

Answer- (a) fruits of Terminalia chebula, family combretaceae

113. The ayurvedic preparation ‘Triphala’ contain

(a) Myrobalan
(b) Arjuna
(c) Senna
(d) Catechu

Answer-(a) Myrobalan

114. Black catechu contain

(a) 5,7,3′,4′-tetrahydroxy flavan-3-ol
(b) 3,5,3′,4′-tetrahydroxy flavan-3-ol
(c) 3,8,3′,4′-tetrahydroxy flavan-3-ol
(d) 3,7,3′,4′-tetrahydroxy flavan-3-ol

Answer- (a) 5,7,3′,4′-tetrahydroxy flavan-3-ol

115. Pale catechu is obtained from

(a) Acacia catechu, family leguminosae
(b) Uncaria gambier, family rubiaceae
(c) Uncaria gambier, family leguminosae
(d) Acacia catechu, family rubiaceae

Answer-(b) Uncaria gambier, family rubiaceae

116. The constituent gambier fluorescin is present in

(a) Black Catechu
(b) Katha
(c) Pale Catechu
(d) None of them
Answer- (c) Pale Catechu

117. The popular ingredient of Chyavanprash is

(a) Amla
(b) Chebula
(c) Tinospora
(d) All of them

Answer- (a) Amla

118. Which one of these fatty acids possesses more iodine value?

(a) Stearic acid
(b) Oleic acid
(c) Linoleic acid
(d) Ligoseric acid

Answer- (c) Linoleic acid

119. Which oil in the hydrochloric acid solution reacts with ferric chloride giving a reddish brown crystal?

(a) Sesame oil
(b) Argemone oil
(c) Linseed oil
(d) Colton seed oil

Answer- (b) Argemone oil

120. The laxative action of castor oil is due to the presence of

(a) Ricinoleic acid
(b) Undecenoic acid
(c) Isoricinoleic acid
(d) Isoricinoleic acid

Answer- (a) Ricinoleic acid

121. Which one of these oils is antileprotic in nature?

(a) Olive oil

(b) Hydnocarpus oil

(d) Olive oil

Answer- (b) Hydnocarpus oil

122. Cyanogenetic glycoside is present in

(a) Chaulmoogra oil

(b) castor oil

(d) olive oil

Answer- (c) linseed oil

123. Sesame oil belongs to the family

(a) Leguminosae

(b) Graminae

(d) Euphorbiaceae

Answer- (c) Pedialiaceae

124. Kokum butter is obtained from

(a) Carthamus tinctorius

(b) Garcinia indica

(d) Pongamia glabra

Answer- (b) Garcinia indica

125. Melicyl cerolate is present in

(a) Beeswax

(b) Carnauba wax

(d) Cocoa butter

Answer- (b) Carnauba wax

126. Shark liver develops brownish color on adding chloroform and sulphuric acid. It is due to

(a) Fatty acid present in the oil

(b) Vitamin A

(d) None of them

Answer- (b) Vitamin A

127. Myricyl palmitate is constituent of

(a) Carnuba wax

(b) Yellow bees wax

(d) Spermaceti

Answer- (b) Yellow bees wax

128. Cetyl palmitate is a constituent of

(a) Carnuba wax

(b) Wool fat

(d) Bees wax

Answer- (c) Spermaceti

129. Cineole is a constituent of

(a) Caraway oil

(b) Peppermint oil

(d) Eucalyptus oil

Answer- (d) Eucalyptus oil

130. Ascaridole is present in

(a) Camphor oil

(b) Eucalyptus oil

(d) Chenopodium oil

Answer- (d) Chenopodium oil

131. Turpentine oil contain

(a) citral

(b) a-pinene

(d) geraniol

Answer- (b) a-pinene

132. The main constituent of the volatile oil of Cuminum cyminum is

(a) Carvone

(b) Cuminic aldehyde

(d) None of them

Answer- (b) Cuminic aldehyde

133. The Elettaria cardamomum belongs to the family

(a) Umbelliferae

(b) Zingiberaceae

(d) Rubiaceae

Answer- (b) Zingiberaceae

134. The ‘Cremocarp’ type of fruit is characteristic of

(a) Umbelliferae

(b) Zingiberaceae

(d) Rubiaceae

Answer- (a) Umbelliferae

135. D-linalool is a major constituent of the volatile oil obtained from

(a) Fennel

(b) Cardamomum

(d) Coriander

Answer-(b) Cardamomum

136. The expanded flower of the clove is known as

(a) Mother clove

(b) Blown clove

(d) None of them.

Answer- (b) Blown clove

137. Clove is

(a) dried flower buds of Eugenia Caryophyllus belonging to the family Meliaceae

(b) dried flower buds of Eugenia Caryophyllus belonging to the family Myrtaceae

(d) None of them

Answer- (b) dried flower buds of Eugenia Caryophyllus belonging to the family Myrtaceae

138. Jatamansi consist of

(a) dried rhizomes of lavender glabra belonging to family velerianaceae

(b) dried rhizomes of Nardostachis jatamansi belonging to family velerianaceae

(d) dried rhizomes of Brahmi belonging to the family Lauraceae

Answer- (b) dried rhizomes of Nardostachis jatamansi belonging to family velerianaceae

139. Which one of these pairs of drugs exerts action on CNS?

(a) Jatamansi and Brahmi

(b) Jatamansi and Coriander

(d) Nutmeg and Dill

Answer- (a) Jatamansi and Brahmi

140. Allicin is a constituent of

(a) Jangli Pyaz

(b) Onion

(d) Tulsi

Answer- (c) Garlic

141. Benafsha is obtained from

(a) Ocimum sanctum, family labiatae

(b) Viola odorata, family Violaceae

(d) Saussurea lappa, family compositae

Answer-(b) Viola odorata, family Violaceae

142. The alkaloid ‘odoratine’ is a constituent of

(a) Tulsi

(b) Rasna

(d) Saffron

Answer-(c) Banafsha

143. A carotenoid glycoside is a constituent of

(a) Lavender

(b) Jatamansi

(d) Banafsha

Answer-(c) Saffron

144. Valproate is a constituent of

(a) Jatamansi

(b) Valerian

(d) Acorus

Answer-(b) Valerian

145. Artemisinin is

(a) diterpenoid glycoside possessing antimalarial activity

(b) sesquiterpene lactone possessing antimalarial activity

(d) alkaloid possessing antimalarial activity

Answer-(b) sesquiterpene lactone possessing antimalarial activity

146. Lavender oil is obtained from

(a) Lavandula officinalis, family labiatae

(b) Lavandula officinalis, family umbelliferae

(d) None of them

Answer-(a) Lavandula officinalis, family labiatae

147. Which one of these oils is used in rheumatism?

(a) Lavender oil

(b) Gaultheria oil

(d) Rosemary oil

Answer-(b) Gaultheria oil

148. Which one of these does not contain proteolytic activity?

(a) Diastase

(b) Chymotrypsin

(d) Renin

Answer-(a) Diastase

149. The alkaloid ‘Vasicine’ contain

(a) Pyrrolidine nucleus

(b) Quinazoline nucleus

(d) Purine nucleus

Answer-(b) Quinazoline nucleus

150. Ergot is

(a) dried sclerotium of fungus, Claviceps purpurea

(b) dried seed of Claviceps purpurea

(d) None of them

Answer-(c) dried fruits of fungus of Claviceps purpurea

MCQs set of pharmacognosy

151. p-dimethylamino benzaldehyde gives blue color with

(a) Tropane alkaloid

(b) Opium alkaloid

(d) Tobacco alkaloid

Answer-(c) Ergot alkaloid

152. Sarpagandha is common more for

(a) Nardactylchs

(b) Withania somnifera

(d) Rauwolfia

Answer-(d) Rauwolfia

153. The solution of crude opium develops red coloration with ferric chloride solution which is due to the presence of

(a) morphine

(b) codeine

(d) papaverine

Answer-(c) meconic acid

154. The acidic solution of ipecacuanha gives yellow color with potassium chlorate due to the presence of

(a) cephaeline

(b) emetamine

(d) ipecuanic acid

Answer- (c) emetine

155. Ipecacuanha is

(a) expectorant drug

(b) emetic drug

(d) antispasmodic and emetic drug

Answer-(c) expectorant and emetic drug

156. The alkaloid atropine is

(a) ievo form

(b) deutro form

(d) any of them

Answer-(c) recemic form

157. Phytolacca americana is adulterant for

(a) Vasaka leaves

(b) Hyoscyamus niger

(d) Lobelia

Answer-(c) Atropa belladonna

158. Thorn apple leaf is a synonym for

(a) Stramonium leaves

(b) Atropa belladonna

(d) Datura

Answer-(a) Stramonium leaves

159. A Cuprea bark is

(a) Adulterant for cinchona bark

(b) Substitute for cinchona bark

(d) Not related to cinchona bark

Answer-(b) Substitute for cinchona bark

160. Lobeline is a alkaloid

(a) containing piperidine nucleus, used in asthma

(b) containing pyrrolidine nucleus, used in asthma

(d) containing piperidine nucleus, used as a cholinergic drug

Answer-(a) containing piperidine nucleus, used in asthma

161. Jaborandi is a common name for

(a) Pilocarpus, family rutaceae

(b) Pilocarpus, family leguminosae

(d) None of them

Answer-(a) Pilocarpus, family rutaceae

162. Which one of these drugs may be used in hypertension?

(a) Kurchi

(b) Veratrum

(d) Ephedra

Answer-(b) Veratrum

163. Multiseriate medullary rays and steroidal alkaloids are present in

(a) Veratrum

(b) Kurchi

(d) None of them

Answer-(b) Kurchi

164. Ashwagandha belongs to the family

(a) Apocynaceae

(b) Liliaceae

(d) Compositae

Answer-(c) Solanaceae

165. Ashwagandha possess

(a) sedative activity

(b) immunomodulatory activity

(d) all the above activity

Answer-(d) all the above activity

166. Diterpene alkaloids are present in

(a) Ashwagandha

(b) Aconite

(d) Vasaka

Answer-(b) Aconite

167. Adhatoda vasaka leaves belong to the family

(a) Ranunculaceae

(b) Acanthaceae

(d) Rutaceae

Answer-(b) Acanthaceae

168. Which one of these is not acidic resins?

(a) Colophony

(b) Myrrh

(d) Storax

Answer-(d) Storax

169. The pungency of capsicum is destroyed by

(a) boiling with dilute sodium hydroxide solution

(b) treatment with potassium permangnate solution

(d) any of the above method

Answer-(b) treatment with potassium permangnate solution

170. Indian saffron is obtained from

(a) Crocus sativus, family Acanthaceae

(b) Curcuma longa, family Zingiberaceae

(d) None of them

Answer-(b) Curcuma longa, family Zingiberaceae

171. Devil’s drug is a synonym for

(a) Asafoetida

(b) Colophony

(d) Cannabis

Answer-(a) Asafoetida

178. Free umbelliferone is present in oleo gum resin of

(a) Ferula asafoetida

(b) Ferula galbaniflua

(d) Commiphora molmol

Answer-(b) Ferula galbaniflua

179. Convolvulin is a constituent of

(a) Jalap

(b) Male fern

(d) Colocynth

Answer-(a) Jalap

180. Etoposide is related with

(a) Kaladana

(b) Colocynth

(d) Jalap

Answer- (c) Podophyllum resin

181. Myrrh is an oleogum resin, obtained from

(a) Commiphora molmol, family Burseraceae

(b) Commiphora molmol, family Lauraceae

(d) Liquidamber Orientalis family lammelidaceae

Answer- (a) Commiphora molmol, family Burseraceae

182. Guggul is

(a) the acidic resin obtained from Commiphora weightii, family Burseraceae

(b) Oleo gum resin obtained from Commiphora weightii, family Burseraceae

(d) None of them

Answer- (b) Oleo gum resin obtained from Commiphora weightii, family Burseraceae

183. Which of these resins has hypocholesteremic action?

(a) Asafoetida

(b) Turmeric

(d) Sallaki guggul

Answer-(c) Guggul

184. Shilajit is a

(a) Mineral drug

(b) Herbal drug

(d) Herbo-mineral drug

Answer-(d) Herbo-mineral drug

185. Azadirachin is

(a) Tri terperoid

(b) Tetra terperoid

(d) Diterpene alkaloid

Answer-(b) Tetra terperoid

186. Pyrethrum, insecticide is obtained from

(a) Chrysantheum cineriaefolium, family compositae

(b) Cantharus roseus, family Apocynaceae

(d) None of them

Answer-(a) Chrysantheum cineriaefolium, family compositae

188. Picrotoxin is a

(a) Analeptic, obtained from berries of Anamirta Cocculus

(b) Analeptic, obtained from seeds of Strychnos sps

(d) Sedative, obtained from fruits of Anamirta Cocculus

Answer-(a) Analeptic, obtained from berries of Anamirta Cocculus

189. Papaverine is a

(a) Cholinergic drug

(b) Peripheral vasodilator

(d) Anticholinergic drug

Answer-(b) Peripheral vasodilator

190. Which one of these drugs acts on the male reproductive organ?

(a) Papaverine

(b) Yohimbine

(d) Ajmalicine

Answer-(b) Yohimbine

191. Which one of these is a precursor for auxin, indole acetic acid?

(a) Phenylalanine

(b) Tyrosine

(d) None of them

Answer-(c) Tryptophan

192. From which one of these, polyploidy can be induced

(a) Brucine

(b) Strychnine

(d) Colchicine

Answer-

193. Keller-Killiani test is specific for

(a) Reducing sugar

(b) Non-reducing sugar

(d) Steroidal aglycone

Answer-

194. Pyraxylin is a

(a) cellulose acetate

(b) oxidized cellulose

(d) methylcellulose

Answer-(d) methylcellulose

195. Inulin is obtained from

(a) tubers of Dahlia variabilis

(b) tubers of Ricinus communis

(d) tubers of Commiphora molmol

Answer-(c) tubers Olea Europa

196. Carrageenans are

(a) fructosan

(b) Galatians

(d) xylan

Answer-(a) fructosan

198. Which one of these is rich in phloroglucinol derivatives?

(a) Acacia

(b) Asafoetida

(d) Male fern

Answer-(b) Asafoetida

199. Capsaicin is a

(a) Vanillyl amide of dodecanoic acid

(b) Vanillyl ester of dodecanoic acid

(d) Methyl amide isodecenoic acid

Answer-(d) Methyl amide isodecenoic acid

200. Umbelliferone is a derivative of

(a) xanthone

(b) coumarin

(d) hydroquinone

Answer-(b) coumarin

201. The average stomatal index number for Tinnevally senna leaves in

(a) 10.5

(b) 8.5

(d) 21.5

Answer-(c) 17.5

202. Vein-islet number of Alexandrian senna leaves is

(a) 10.0-15.0

(b) 25-29.5

(d) 15-17

Answer-(b) 25-29.5

203. The cochineal contain

(a) Umbellic acid

(b) Angelic acid

(d) Carminic acid

Answer-(c) Ellagotanins

204. The flavolignan ‘Silybin’ is a

(a) Anticancer drug

(b) Hepatoprotective drug

(d) Approdisie drug

Answer-(b) Hepatoprotective drug

205. Carminic acid is a

(a) Coumarin derivative

(b) C-glycoside

(d) Xanthone

Answer-(b) C-glycoside

206. Linalol is an important constituent of

(a) Lavender

(b) Peppermint oil

(d) Dill oil

Answer-(a) Lavender

207. Which one of these oils are obtained from the heartwood of the plant?

(a) Sandal oil

(b) Cardamom oil

(d) Anise oil

Answer-(a) Sandal oil

208. Which one of these is known as soap bark?

(a) Kurchi bark

(b) Cacara bark

(d) Wildcherry bark

Answer-(c) Quillaia bark

209. Quassia wood contain

(a) Quassin, (terpenoid)

(b) Quassin, (allaloid)

(d) Quassin, (coumarins)

Answer-(a) Quassin, (terpenoid)

210. Rubber is

(a) Complex sesquiterpenes

(b) Complex diterpenes

(d) Sesquiterpene lactone polymer

Answer-(c) Polyterpenes

211. Alkana tinctures are used to locate

(a) oil containing cell

(b) calcium oxalate containing cell

(d) collenchymatous cell

Answer-(a) oil containing cell

212. The average stomatal index number of digitalis purpurea is

(a) 10

(b) 12

(d) 19

Answer-(b) 12

213. A rhamno glucoside on complete hydrolysis gives

(a) Aglycone + Fructose + Rhamnose

(b) Aglycone + Ribose + Rhamnose

(d) Rhamnose + Fructose

Answer-(c) Aglycone + Rhamnose + ghicose

214. Wagner’s test is used to detect the presence of

(a) Steroid

(b) Alkaloid

(d) Terplane

Answer-(b) Alkaloid

215. Stratified, i.e., forked corks are characteristic diagnostic features of

(a) Apocynaceae]

(b) Scrophulariaceae

(d) Polygonaceae

Answer-(d) Polygonaceae

216. Claviceps purpurea yield’s after infecting ovaries of Gramimaceous plant

(a) Digitoxin

(b) Lysergic acid derivatives

(d) Polypeptides

Answer-(b) Lysergic acid derivatives

217. Idioblasts of crystal of calcium

(a) Hyosyamus niger

(b) Deadly nightshade leaves

(d) Senna leaves.

Answer-(b) Deadly nightshade leaves

218. Anamocytic type of stomata are found in leaves of

(a) Foxglove

(b) Urginea maritima

(d) Atropa belladona

Answer-(a) Foxglove

219. Peroxidase enzyme present in acacia is identified by

(a) Brontrager test

(b) Molisch’s test

(d) Oxidation and treatment with benzidine

Answer-(d) Oxidation and treatment with benzidine

220. Reserpine on hydrolysis gives

(a) Reserpic acid + methyl alcohol + trimethoxy cinnamic acid

(b) Reserpic acid + Acetic acid + trimethoxy benzaldehyde

(d) Reserpic acid + methyl alcohol + trimethoxy cinnamaldehyde

Answer-(c) Reserpic acid + methyl alcohol + trimethoxy benzoic acid

MCQs set of pharmacognosy

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