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Pharmacognosy Practice test #1 | MCQs for Pharmacy Exams

Pharmacy Exams July 11, 202172.7k views 30 Questions 1,270 Attempts
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Pharmacognosy is a subject related to the study of natural drugs and its constituents. this subject is included in D. Pharma and B. Pharma curriculum. 

This practice test has 30 objective questions (MCQs) from Pharmacognosy. This practice test is helpful for D. Pharma (1st year), B. Pharma and Pharmacists preparing for competitive exams. Attempt this test for basic revision of important topics in pharmacognosy.

 
        
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Questions

Q1. The term 'Pharmacognosy' was coined by-
ЁЯУШ Explanation: In 1811 seydler used the term in his work titled Analects Pharma Cognostica.
Q2. The source of Indian acacia is-
ЁЯУШ Explanation: Acacia contains gallic acid, catechin, chlorogenic acid and gallolyated falvan-3,4-diole.
Q3. Ashwagandha is common name for-
ЁЯУШ Explanation: Withania somnifera, Indian ginseng is a plant in Solanaceae or nightshade family.
Q4. Quinine and quinidine is differ in-
ЁЯУШ Explanation: Quinine is levo isomer while quinidine is dextro isomer.
Q5. Cinchona belongs to family-
ЁЯУШ Explanation: Cinchona is a genus of about 38 species in the family Rubiaceae.
Q6. Which one of these is called a Indian tobacco?
ЁЯУШ Explanation: Lobelia is also called Indian Tobacco is used as herbal remedy for respiratory condition such as asthma, bronchitis.
Q7. Sarpagandha is related to-
ЁЯУШ Explanation: Rauwolfia serpentina, commonly known as Indian Snak root or sarpagandha, contain ajmaline, reserpine extra.
Q8. Deadly night shade plant is related to-
ЁЯУШ Explanation: Atropa belladonna, commonly known as deadly night shade, is a perennial herbaceous plants in the family Solanaceae.
Q9. Which one of these reagent is used to indicate the presence of emetine?
ЁЯУШ 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.
Q10. Nux-vomica seed belongs to the family-
ЁЯУШ Explanation: Nux-vomica is also known as poison nut and quaker buttons.
Q11. Which one of these alkaloids is volatile in nature?
ЁЯУШ Explanation: Due to volatile nature of narcotine it is extracted out by steam distillation process.
Q12. Keller-Killiani test is specified for-
ЁЯУШ Explanation: Cardiac glycoside + CH3COOH + H2SO4 +FeCl3 → brown colour.
Q13. which one of these is adulterant of digitalis leaves?
ЁЯУШ 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.
Q14. Revand chini is common name for-
ЁЯУШ Explanation: Revand Chini is the common name for Rhubarb (Rheum emodi) in Hindi language.
Q15. Amylum is synonym for-
ЁЯУШ Explanation: The word 'starch' means to stiffen. The 'amylum' is dried from greek greek word 'amylon' means not ground at a mill.
Q16. The marmelosin is constituent of-
ЁЯУШ Explanation: Bael contains shikimmianine, lupeol, cineol, marmelosin, etc.
Q17. Urginea maritimma is used as-
ЁЯУШ Explanation: due to presence of Scillarene B, it is used as cardiotonic. It also has diuretic and expectorant actions.
Q18. Vasaka is used as-
ЁЯУШ Explanation: vasaka shows bonchodilatory activity due to presence of alkaloids vasicine and vasicinone.
Q19. Camphor is obtained from which plant?
ЁЯУШ Explanation: Camphor is obtained from the wood of Camphor laurel (Cinnammonnum camphora).
Q20. Cymbopogon citratus belongs to the family-
ЁЯУШ Explanation: Cymbopogon citratus, commony known as lemon grass, is tropical plants from southeast Asia. It belongs to the family Graminae or poaceae.
Q21. Terpentine oil contains mainly-
ЁЯУШ Explanation: Terpentine oil contains mainly terpenes, alpha-pinene and beta-pinene with lesser amounts of camphene dipentene and terpinolene.
Q22. Peppermint oil is synonym for-
ЁЯУШ Explanation: Mentha oil obtained by steam distillation of mentha arensis leaves.
Q23. Which part of the Dill fruit contains oil?
ЁЯУШ 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.
Q24. Pale and black catechu are differentiated on the basis of presence/ absence of-
ЁЯУШ 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.
Q25. Triterpenoid saponins are present in-
ЁЯУШ Explanation: The terpenoidal saponins are arjunic acid, arjunolic acid, and arjugenins.
Q26. Pungency of chilies is due to the presence of?
ЁЯУШ Explanation: pungency is due to the group of coumpounds named capsicinoids.
Q27. Turmeric possess saffron colour due to presence of-
ЁЯУШ Explanation: Turmeric contains group of compounds called curcuminoids, which includes curcumin (diferucoylmehane), dimethoxycurcumin, and bisdimethoxycurcumin. Curcumin impart saffron colour to it.
Q28. Free cinnamic acid is present in-
ЁЯУШ Explanation: The balsam contains a fairly large amount of benzyl and cinnamylester of benzoic acid and cinnamic acid.
Q29. Bees wax mainly contains-
ЁЯУШ Explanation: Myricin is present in beeswax.
Q30. Silk fibres obtained from-
ЁЯУШ 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.
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