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Pharmacognosy Practice MCQs
Question 1 of 46
Q.1 The term 'Pharmacognosy' was coined by-
- Pelletier
- Sertuener
- Stars and Otto
- Seydler
Answer ✔ (d) Seydler
Explanation: In 1811 seydler used the term in his work titled Analects Pharma Cognostica.
Question 2 of 46
Q.2 The source of Indian acacia is-
- Acacia arabica
- Gelidium amansii
- Astragalus gummifur
- Sterculia urens
Answer ✔ (a) Acacia arabica
Explanation: Acacia contains gallic acid, catechin, chlorogenic acid and gallolyated falvan-3,4-diole.
Question 3 of 46
Q.3 Ashwagandha is common name for-
- Wthania somniferum
- Holarrhena antidysentrica
- Bacopa moneira
- Centella asiatica
Answer ✔ (a) Wthania somniferum
Explanation: Withania somnifera, Indian ginseng is a plant in Solanaceae or nightshade family.
Question 4 of 46
Q.4 Quinine and quinidine is differ in-
- Chemical structure
- solubility
- In rotating the plane of polarized light
- none of the above
Answer ✔ (c) In rotating the plane of polarized light
Explanation: Quinine is levo isomer while quinidine is dextro isomer.
Question 5 of 46
Q.5 Cinchona belongs to family-
- Rutaceae
- Apocynaceae
- Rubiaceae
- Lauraceae
Answer ✔ (c) Rubiaceae
Explanation: Cinchona is a genus of about 38 species in the family Rubiaceae.
Question 6 of 46
Q.6 Which one of these is called a Indian tobacco?
- Lobelia
- Nicotina
- Cocca leaves
- none of the above
Answer ✔ (a) Lobelia
Explanation: Lobelia is also called Indian Tobacco is used as herbal remedy for respiratory condition such as asthma, bronchitis.
Question 7 of 46
Q.7 Sarpagandha is related to-
- Rauwolfia
- Arjuna
- Nux-vomica
- Physostigma
Answer ✔ (a) Rauwolfia
Explanation: Rauwolfia serpentina, commonly known as Indian Snak root or sarpagandha, contain ajmaline, reserpine extra.
Question 8 of 46
Q.8 Deadly night shade plant is related to-
- Hyoscyamus niger
- Datura stramonium
- Belladonna
- none of the above
Answer ✔ (c) Belladonna
Explanation: Atropa belladonna, commonly known as deadly night shade, is a perennial herbaceous plants in the family Solanaceae.
Question 9 of 46
Q.9 Which one of these reagent is used to indicate the presence of emetine?
- Picric acid
- Potassium chlorate
- potassium bismuth iodide
- Iodine in pottassium iodide solution
Answer ✔ (b) Potassium chlorate
Explanation: Emetine is shaken with water and small amount of HCL. To the filtrate pottasium chlorate is added. It goves a yellow colour changing to red.
Question 10 of 46
Q.10 Nux-vomica seed belongs to the family-
- Rubiaceae
- Loganiaceae
- Papaveraceae
- Apocynaceae
Answer ✔ (b) Loganiaceae
Explanation: Nux-vomica is also known as poison nut and quaker buttons.
Question 11 of 46
Q.11 Which one of these alkaloids is volatile in nature?
- Narcotine
- Papaverine
- Nicotine
- Thebaine
Answer ✔ (a) Narcotine
Explanation: Due to volatile nature of narcotine it is extracted out by steam distillation process.
Question 12 of 46
Q.12 Keller-Killiani test is specified for-
- Aglycon part of digitalis glycosides
- Glycon part of Digitalis glycosides
- Both Glycon and Aglycon part
- none of the above
Answer ✔ (b) Glycon part of Digitalis glycosides
Explanation: Cardiac glycoside + CH3COOH + H2SO4 +FeCl3 → brown colour.
Question 13 of 46
Q.13 which one of these is adulterant of digitalis leaves?
- Verbasscum thapsus
- Digitalis lutea
- Digitalis thapsi
- none of the above
Answer ✔ (a) Verbasscum thapsus
Explanation: The leaves of Verbascum thapsus belonging to the family Scrophulareae are usually mixed with digitalis leaves which may be identified and distinguised by the abundant presence of huge woody and branched candelabra trichomes. Pemula vulgaris is another adultrant.
Question 14 of 46
Q.14 Revand chini is common name for-
- Aloe
- Rhubarb
- Cascara
- Cinnamon
Answer ✔ (b) Rhubarb
Explanation: Revand Chini is the common name for Rhubarb (Rheum emodi) in Hindi language.
Question 15 of 46
Q.15 Amylum is synonym for-
- starch
- cellulose
- sodium alginate
- isaphgol mucilage
Answer ✔ (a) starch
Explanation: The word 'starch' means to stiffen. The 'amylum' is dried from greek greek word 'amylon' means not ground at a mill.
Question 16 of 46
Q.16 The marmelosin is constituent of-
- Agar
- Acacia gum
- Bael
- Karaya gum
Answer ✔ (c) Bael
Explanation: Bael contains shikimmianine, lupeol, cineol, marmelosin, etc.
Question 17 of 46
Q.17 Urginea maritimma is used as-
- Purgative
- Astringent
- Cardiotonic
- Anti-infective
Answer ✔ (c) Cardiotonic
Explanation: due to presence of Scillarene B, it is used as cardiotonic. It also has diuretic and expectorant actions.
Question 18 of 46
Q.18 Vasaka is used as-
- Expectorant
- sedative
- stimulant
- cardiac tonic
Answer ✔ (a) Expectorant
Explanation: vasaka shows bonchodilatory activity due to presence of alkaloids vasicine and vasicinone.
Question 19 of 46
Q.19 Camphor is obtained from which plant?
- Eucalyptus globulus
- Cinnammonnum camphora
- Chenopodium ambrosoids
- none of the above
Answer ✔ (b) Cinnammonnum camphora
Explanation: Camphor is obtained from the wood of Camphor laurel (Cinnammonnum camphora).
Question 20 of 46
Q.20 Cymbopogon citratus belongs to the family-
- Graminae
- Lauraceae
- Myrtaceae
- Rubiaceae
Answer ✔ (a) Graminae
Explanation: Cymbopogon citratus, commony known as lemon grass, is tropical plants from southeast Asia. It belongs to the family Graminae or poaceae.
Question 21 of 46
Q.21 Terpentine oil contains mainly-
- citral
- α-pinene
- Limonene
- Phellandrene
Answer ✔ (b) α-pinene
Explanation: Terpentine oil contains mainly terpenes, alpha-pinene and beta-pinene with lesser amounts of camphene dipentene and terpinolene.
Question 22 of 46
Q.22 Peppermint oil is synonym for-
- Mentha oil
- Chenopodium oil
- Cardamom oil
- Lemon oil
Answer ✔ (a) Mentha oil
Explanation: Mentha oil obtained by steam distillation of mentha arensis leaves.
Question 23 of 46
Q.23 Which part of the Dill fruit contains oil?
- Entire fruit
- Endosperm
- Vittae
- Mericarp
Answer ✔ (c) Vittae
Explanation: Dill fruits are oval compressed, winged about one tenth wide, with three longitudinal ridges on the bark and three dark lines or oil cells (vittae) between them and two on the flat surface.
Question 24 of 46
Q.24 Pale and black catechu are differentiated on the basis of presence/ absence of-
- Catechin
- Quercetin
- Gambier fluorecin
- Gums
Answer ✔ (c) Gambier fluorecin
Explanation: Alcoholic extract of the drug when treated with NaOH and light petrolium ether, Pale catechu shows green fluorescence due to the presence of Gambier fluorecin.
Question 25 of 46
Q.25 Triterpenoid saponins are present in-
- Arjuna Bark
- Black catechu
- Bahera
- none of the above
Answer ✔ (a) Arjuna Bark
Explanation: The terpenoidal saponins are arjunic acid, arjunolic acid, and arjugenins.
Question 26 of 46
Q.26 Pungency of chilies is due to the presence of?
- Capsaicin
- Capsanthin
- Carotene
- Pungent protein
Answer ✔ (a) Capsaicin
Explanation: pungency is due to the group of coumpounds named capsicinoids.
Question 27 of 46
Q.27 Turmeric possess saffron colour due to presence of-
- Curcumin
- Turmerone
- Curcumens
- Phellandrene
Answer ✔ (a) Curcumin
Explanation: Turmeric contains group of compounds called curcuminoids, which includes curcumin (diferucoylmehane), dimethoxycurcumin, and bisdimethoxycurcumin. Curcumin impart saffron colour to it.
Question 28 of 46
Q.28 Free cinnamic acid is present in-
- Colophony
- Storax
- Asafoetida
- Balsam of tolu
Answer ✔ (d) Balsam of tolu
Explanation: The balsam contains a fairly large amount of benzyl and cinnamylester of benzoic acid and cinnamic acid.
Question 29 of 46
Q.29 Bees wax mainly contains-
- Palmitin
- Myricin
- Stearin
- Cerotic acid
Answer ✔ (b) Myricin
Explanation: Myricin is present in beeswax.
Question 30 of 46
Q.30 Silk fibres obtained from-
- seeds of goissypium
- Cacoons of Bombyx mori
- Synthetic source
- Corchorus cupsularin
Answer ✔ (b) Cacoons of Bombyx mori
Explanation: Silk is natural protein fiber, some forms of which can be wooven into textiles. The best known type of silk is obtained from cocoons of larvae of the mulberry silkworm, Bombyx mori.
Question 31 of 46
Q.1 'Jungli pyaz' is synonym for
- Strophanthus
- Indian squil
- Garlic
- None of these
Answer ✔ (b) Indian squil
Question 32 of 46
Q.2 Shatavary is common name for
- Asparagus racemosus
- Catelli asiatica
- Bacopa moniera
- None of these
Answer ✔ (a) Asparagus racemosus
Question 33 of 46
Q.3 Ginseng is commonly used for
- Cardiac tonic
- Aphrodisiac
- Purgative
- Demulcent
Answer ✔ (b) Aphrodisiac
Explanation: Ginseng root is used as anaphrodiasiac stimulant,type II diabetes or cure for sexual disfunction in man.
Question 34 of 46
Q.4 Ephedra is used as :
- Astringent
- Bronchodilator
- Hypotensive
- None of these
Answer ✔ (b) Bronchodilator
Explanation: Ephedra is used for Hey fever, nasal congestion, and respiratory tract conditions such as bronchospasm, asthma and bronchitis.
Question 35 of 46
Q.5 Which one of these is immunomodulatory drug?
- Amla
- Brahmi
- Ashwagandha
- None of these
Answer ✔ (c) Ashwagandha
Explanation: In Indian Ayurveda System of medicine, Ashwagandha is common drug as Rasayana (tonic).
Question 36 of 46
Q.6 Which one of these terpenoids is solid in nature?
- Camphor
- α-pinene
- Citral
- Ascaridol
Answer ✔ (a) Camphor
Explanation: Camphor is waxy, flammable, white or transparent solid with strong aromatic odour.
Question 37 of 46
Q.7 Caraway Oil contains :
- Phellandrene
- Pinene
- Carvone
- Cineole
Answer ✔ (c) Carvone
Explanation: Caraway oil is used as Anti-histaminic, galactogogue, antiseptic, cardiac, anti spasmodic etc.
Question 38 of 46
Q.8 Which one of these is a drying oil?
- Linseed Oil
- Castor Oil
- Coconut Oil
- Seasome Oli
Answer ✔ (a) Linseed Oil
Explanation: Linseed Oil contains multiple double bond which gives its drying charactereristics.
Question 39 of 46
Q.9 Which one of these oils contain cynogenetic glycoside?
- Ground nut oil
- Seasome oil
- Linseed oil
- Olive oil
Answer ✔ (c) Linseed oil
Explanation: Linamarine found in Linum species, is a cynogenetic glycoside .
Question 40 of 46
Q.10 Which one of these possess cytotoxic action?
- Circuma longa
- Ipomoea hederacea
- Podophyllum emodi
- None of these
Answer ✔ (c) Podophyllum emodi
Explanation: Podophyllum is highly poisonous, used in treatment of cancer
Question 41 of 46
Q.1 'Jangali Pyaz' is synonym for
- Strophanthus
- Indian squil
- Garlic
- None of the above
Answer ✔ (b) Indian squil
Explanation: In Hindi language 'indian squill' is known as 'jungali pyaz'
Question 42 of 46
Q.2 Nutmeg belongs to the family-
- Myristicaceae
- Myrtaceae
- Lauraceae
- Caryophyllaceae
Answer ✔ (a) Myristicaceae
Explanation: The nutmeg tree is species of the genus Myristica and family myristicaceae.
Question 43 of 46
Q.3 Anise fruit is obtained from-
- piper cubeba
- Pimpenella anisum
- Apium graveolens
- none of these
Answer ✔ (b) Pimpenella anisum
Explanation: Pimpinella anisum, also called aniseed is a flowering plant in the family Apiaceae.
Question 44 of 46
Q.4 Fennel contains sweet principle called-
- fenchone
- anethole
- limonene
- none of these
Answer ✔ (b) anethole
Explanation: The essential oil in fennel is constituted mainly anethole (80%) and about fenchone ( 7.5% ).
Question 45 of 46
Q.5 'Mother cloves' is a term given to-
- Ripened fruit
- Allied fruit
- Clove stalk
- Flowers of clove tree
Answer ✔ (a) Ripened fruit
Explanation: Mother cloves (anthophyllie) are the ripe fruits of cloves that are ovoid, brown berries, unicellular, and one-seeded.
Question 46 of 46
Q.1 Shatavary Is Common Name For
- Asparagus racemosus
- Catelli asiatica
- Bacopa moniera
- None of the above
Answer ✔ (a) Asparagus racemosus
Explanation: Asparagus recemosus (satavar, shatavary, or shatamull ) is species of asparagus commonly found in Srilanka, India and Himalayas.