Alkaloids Most Important 90 MCQs with Solutions
Pharmacognosy-1 4th Semester MCQ Alkaloids
Multiple Choice Questions
1. Protoalkaloids are also called as:
a. Amino alkaloid
b. Pseudo alkaloid
c. True alkaloid
d. Extra alkaloid
2. The example of pseudoalkaloid is:
a. Caffeine
b. Hygrine
c. Arecoline
d. Lobeline
3. The ring structure present in strychnine is:
a. Indole
b. Pyrrole
c. Pyridine
d. Piperidine
4. Drug is an example of amino alkaloid:
a. Ephedrine
b. Aconine
c. Caffeine
d. Theophylline
5. Deadly Nightshade is the common name of the drug:
a. Datura
b. Belladonna
c. Cinchona
d. Coca
6. Datura stramonium is standarised as:
a. Content of stramonium
b. Stramoninum as hyoscyamine
c. Content of total alkaloids calculated as
hyoscyamine
d. Total anti-cholinergic activity
7. Ergometrin is obtained from:
a. Actinomycetes
b. Higher plant
c. Fungus
d. Synthesis
8. Find the ODD one out on the basis of chemical constituent:
a. Belladona
b. Digitalis
c. Cinchona
d. Datura
9. Nux-vomica contains:
a. Tropine
b. Indole alkaloids
c. Quinoline
d. Pyridine
10.Family of the Vinca is:
a. Rubiaceae
b. Solanaceae
c. Apocyanaceae
d. Erythroxylaceae
11. Which is NOT the use of Ergot?
a. Oxytocin
b. Prevent post-partum hemorrhage
c. Migraine
d. Laxative
12. Nux vomica is NOT used as:
a. CNS stimulant
c. Tonic
b. Bitter stomachic
d. Expectorant
13. Family of Ipecac is:
a. Rubiaceace
b. Theaceae
c. Solanceae
d. Acantheceae
14. Which is NOT the use of Stramonium?
a. Anticholinergic
b. Mydriatic
c. Antiadrenergic
d. Control of Motion sickness
15. Which is NOT the chemical constituent that is naturally obtained from Opium?
a. Morphine
b. Codeine
c. Narcotine
d. Heroine
16. Which is the active chemical constituent obtained from Ipecac?
a. Cephaeline
b. Berberine
c. Hydrastine
d. Tropane
17. Thorn apple’ is the synonym for the drug:
a. Belladonna
b. Cinchona
c. Datura
d. Stramonium
18. Which ergot alkaloid is water soluble?
a. Ergotamine
b. Ergosine
c. Ergocristine
d. Ergometrine
19. Ergometrine shows ……configuration.
a. Laevo
b. Dextro
c. Racemic Mixture
d. Trans
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
21. Which forms of the ergot alkaloids has biological importantance?
a. Laevo
b. Dextro
c. Cis
d. Trans
22. Ergot powder gives blue color with:
a. P-dimethyl amino benzaldehyde
b. Benzaldehyde
c. Cinnamaldehyde
d. Formaldehyde
23. Chemically Van-Urk’s reagent is :
a. P-dimethylaminobenzaldehyde
b. Benzoic acid+Cinnamic acid
c. P-dimethylbenzoic acid
d. Cinnamaldehyde
24. Crow fig is the synonym for the drug:
a. Strychnous nux vomica
b. Rauwolfia sepentina
c. Rauwolfia densiflora
d. Rauwolfia vometoria
25. Is NOT the botanical name of ephedra,
a. Ephedra sinica
C. Ephedra gerardiana
b. Ephedra equisentina
d. Ephedra officinale
26. Strychnous nux-vomica belongs to family:
a. Scrophulareaceae
b. Liliaceae
d. Loganiaceae
c. Apocyanaceae
27. Which of the following microscopic character NOT associated with nux-vomica?
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
28. Non-Lignified characteristic of drug:
a. Catharanthus
b. Cassia angustifolia
c. Strychnous nux vomica
d. Digitalis purpurea
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
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
Answers
1.a
2.a
3.a
4.a
5.b
6.c
7.c
8.b
9.b
10.c
11.d
12.d
13.a
14.c
15.d
16.a
17.d
18.d
19.b
20.a
21.a
22.a
23.a
24.a
25.d
26.d
27.d
28.d
29.a
30.b
31.Biological source of Nux vomica is:
a. Strycnous nux-vomica
b. Strychnous potatorum
c. Strychnous nux blanda
d. Strychnous wallichiana
32. The important chemical constituent of Rauwolfia is:
a. Reserpine
b. Resercinnamine
c. Ajamalicine
d. Desperidine
33. Reserpine, when treated with solution of vanillin in acetic acid shows… colour.
a. Red
b. Green
c. Blue
d. Pink
34. Diacetyl derivative of morphine is:
a. Codeine
b. Heroin
c. Papaverine
d. Thebaine
35. The opium alkaloids are present in plant as salt of:
a. Benzoic acid
b. Tartaric acid
c. Meconic acid
d. Acetic acid
36. Which compound is showing the most potent analgesic property?
a. Heroin
b. Morphine
c. Codeine
d. Papaverine
37.Trukish opium is commonly known as:
a. Chemist opium
b. Druggist opium
c. Chinese opium
d. Chemist and druggist
38.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. Only acidic in nature
39.Jesuit’s bark is synonym of:
a. Coca leaves
b. Ipecacuanha
c. Inchona
d. Calumba
40.Which alkaloid is NOT present in cinchona bark?
a. Quinidine
b. Quinine
c. Quinovin
d. Cinchonin
41. Which is NOT the prominent chemical constituent in Ipecac?
a. Emetine
b. Pyschotrine
c. Cephaeline
d. Cinchonine
42.The pharmacological action of Ipecac is:
a. Stimulant
b. Emetic
c. Sedative
d. Hypnotic
43.Papaverine, narcotine and narceine are under the chemical class….:
a. Quinoline
b. Benzyl isoquinoline
c. Isoquinoline
d. Benzophenone
44.Papaverine shows pharmacological activity as:
a. Spasmolytic
b. Emetic
c. Antitussive
d. Antipyretic
45.Adulterants are distinguished on the basis of:
a. Presence of sclerenchyma
b. Absence of sclerenchyma
c. Presence of parenchyma
d. Absence of parenchyma
46.Major pharmacological action of Ephedrine is:
b. Anti-inflammatory
d. Bronchial asthma
a. Kidney failure
c. Heart failure
47.Morphine contains …….as main nucleus.
a. Phenanthrene
b. Anthracene
c. Naphthalene
d. Naphthacene
48.The characteristic NOT associated with alkaloids is:
a. They all contain nitrogen
b. Most of non-volatile alkaloids are solid
c. All the alkaloid contains sulphur
d. They are physiologically active
49………..is NOT used as expectorant.
a. Ipecacuanha
b. Vasaka
c. Liquorice
d. Atropine
50.Drug used as Antihypertensive is:
a. Rauwolfia
b. Digitalis
c. Squill
d. Stropanthus
51………..is used as adrenergic drug.
a. Ephedra
b. Physostigma
c. Pilocarpus
d. Belladonna
52.Drug which is NOT used as anticancer:
a. Podophyllum
b. Curare
c. Camptotheca
d. Taxus
53.Drug used as emetic is:
a. Agar
b. Isapghul
c. Ipecac
d. Banana
54.Drug used as bronchodilator is:
a. Tea
b. Liquorice
c. Ipecacuanha
d. Vasaka
55.Drug used as antimalarial is:
a. Ashwagandha
b. Tulsi
c. Ginseng
d. Artemesia
56.Alkaloids are………type of substances.
a. Acid
b. Neutral
c. Chemical
d. Basic nitrogenous
57………is the botanical name of Ergot.
a. Claviceps purpurea
b. Ephedra sinica
c. Berberis mahonia
d. None
58…….. is the botanical name of kalopoko.
a. Cephalis ipecacuahna
b. Claviceps purpurea
c. Both
d. None
59.Quinoline alkaloids are biosynthesized via which one of the following pathways?
a. Shikimic acid – tyrosine
b. Shikimic acid – tryptophan
c. Shikimic acid – cathinone
d. Shikimic acid – phenylalanine
60.Phenylethylisoquinoline is the precursor of which of the following alkaloids?
a. Colchicine
b. Papaverine
c. Emetine
d. Cephaline
Answers
31.a
32.a
33.a
34.b
36.a
37.b
38.d
39.c
40.c
42.b
43.c
44.a
45.a
46.d
48.c
49.d
50.a
51.a
52.b
54.d
55.d
56.d
57.a
58.b
60.a
61…is the synonym of datura.
a. Yam
b. Catharunthus
c. Deadly nightshade leaves
d. None
62……… is the chemical test for alkaloid.
a. Goldbeater skin test
b. Ninhydrin test
c. Gelatin test
d. None
63.Dugs having anti-cancer property is/are:
a. Vinca
b. Taxus
d. All
c. Podophylum
64.Heroine is:
a. Methyl morphine
b. Diacetyl morphine
c. Butyl morphine
d. None of the above
65.Which drug contains quinazoline alkaloid?
a. Lobelia
b. Vasaka
c. Coffee
d. Datura
66. Wagner reagent contains:
a. lodine + Kl water
b. KI+ bismuth iodide
c. Iodine
d. Mercuric chloride + KI in water
67.Murexide test is used to detect:
a. Caffeine
b. Datura
c. Tannins
d. Senna
68. Which of the following is known as “thorn apple”?
a. Belladona
b. Stramonium
c. Hyoscyamus
d. Capsicum
35.c
41.d
47.a
53.c
59.b
69. Which of the following contains alkaloid?
b. Glycirrhiza glabra
d. Mentha arvensis
a. Atropa belladona
c. Terminalia chebula
70.The action of Datura is:
a. Analgesic
b. Anti-inflammatory
d. All of the above
c. Antispasmodic
71.Vasaka contains……….basic moiety.
b. Quinoline
a. Quinazoline
d. Steroidal
c. Isoquinoline
72.Opium contains………..oof morphine.
b. 9.5%
a. 2.5%
c. 5%
d. 2.2%
73.Picric acid is a chemical composition of:
a. Van urk’s reagent
b. Mayer reagent
c. Hager’s reagent
d. Wagner’s reagent
74. Which of the following is a steroidal alkaloid?
a. Caffine
b. Solanidine
c. Ephedrine
d. Morphine
75.Anomocytic or Ranunculaceous type of stomata are present in:
a. Digitalis
b. Buchu
c. Lobelia
d. All the above
76.Cruciferous stomata are characteristic of……….
a. Belladonna
b. Speramint
c. Senna
d. Digitalis
77.In the life cycle of ergot ascospores are:
a. Sexual spores
b. Asexual spores
c. Candida spores
d. All of the above
78. The precursor for the biogenesis of tropane alkaloid is:
a. Ornithine
b. Phenyl alanine
c. Tryptophan
d. Tyrosine
79.Datura is………..bearing plant.
a. Alkaloid
b. Glycosides
c. Tannins
d. Resins
80. Which of the following have anticancer property?
a. Tobacco
b. Ginger
d. Amanita
c. Taxus
81.Quinine is extracted from the bark of:
a. Papaver somniferum
b. Cannabis sativa
c. Claviceps purpurea
d. Cinchona pubescens
82.Heroin is a synthetic drug derived from:
a. Quinine
b. Morphine
c. Atropine
d. Cinchona pubescens
83. Medicinally most important part of Rauwolfia is:
a. Root
b. Bark
c. Stem
d. Leaf
84………..is the botanical name of Taxus.
a. Claviseps purpurea
b. Asparagus
c. Cordyceps sinensis
d. None
85. Which of the following methods is used to get alkaloids in base form from plant material?
a. Adding ammoniumhydroxide and water to the pulverized drug
b. Making an extract with mineral acid and organic solvent
c. Making an extract with base and organic solvent
d. Adding mineral acid and water to the powdered drug
86.Atropine is a 1:1 mixture of D and L…………:
a. Scopoletin
b. Scopolamine
c. Hyoscyamine.
d. Belladonnin
87.To which of the following types of compound does taxol belong?
a. Diterpene
b. Steroidal alkaloid
c. Sesquiterpene
d. Lignan
88. With which of the following tests can the alkaloids of deadly nightshade be identified?
a. The Marquis test
b. The Thalleioquin test
c. With cc. HNO3
d. The Vitali test
89.Hyoscine on hydrolysis gives:
a. Tropic acid + scopine
b. Tropic acid + tropine
c. Tropine + scopine
d. 2 scopine
90.Imidazole ring is absent in drug…..:
a. Pilocarpine
b. Isopilocarpine
c. Physostigmine
d. Piloscine
61.d
62.d
64.b
67.a
68.b
70.c
73.c
74.b
76.a
79.a
80.c
82.b
85.c
86.c
88.d
Answers
63.d
69.a
75.d
81.d
87.a
65.b
71.a
77.a
83.a
89.a
66.a
72.b
78.a
84.d
90.c
For More Visit:-
Pharmacology 1 :- click here
Pharmacognosy 1 :- click here
Website:- Backbencher Notes
YouTube:- Backbencher Notes
Facebook:- Backbencher Notes
Telegram:- Backbencher Notes
Tags :-
Backbencher Notes, pharmacognosy 4th semester mcq, pharmacognosy 4th semester alkaloids mcq, pharmacognosy 4th semester Backbencher Notes, pharmacognosy 4th semester b pharmacy, pharmacognosy mcqs with answers, pharmacognosy mcq, Pharmacognosy-1 4th Semester MCQ Alkaloids, pharmacognosy mcq questions, pharmacognosy mcq questions with answers, pharmacognosy 4th semester Alkaloids, pharmacognosy 4th semester, pharmacognosy d pharm 1st year, pharmacognosy d pharma 1st year, pharmacognosy 4th semester b pharmacy, pharmacognosy and phytochemistry 1, pharmacy mcq questions and answers, b pharmacy mcq app, b pharmacy mcq, b pharmacy mcq pdf, b pharmacy mcq website, pci b pharmacy mcq, #introduction #bpharm4thsem #pharmacognosy4thsemester B Pharma Pharmacy Notes download PDF, Best Handwritten notes of B Pharma Download Semester wise complete notes of B Pharma Pharmacy, Backbencher Notes pdf, Backbencher Notes, pharma lecture b pharma 4th semester, b pharma notes b pharmacy notes, pharmacy video lecture pharma lectures in hindi, Handwritten in Hindi B Pharma Pharmacy Notes download PDF, Best Handwritten notes of B Pharma, Download Semester wise complete notes of B Pharma Pharmacy, Backbencher Notes Notes pdf,
