Alkaloids | Pharmacognosy | GPAT Mock Test

1. The precursor amino acid for the biosynthesis of tropane alkaloids such as atropine and hyoscyamine is:

2. Quinine and Quinidine, obtained from Cinchona bark, are biosynthesized from which amino acid?

3. The characteristic red color with Vitali-Morin test is given by:

4. Vincristine and Vinblastine, used in cancer chemotherapy, are obtained from which plant?

5. Which of the following alkaloids is classified as a proto-alkaloid or amino-alkaloid?

6. The Murexide test is a specific identification test for which class of alkaloids?

7. Papaver somniferum is the biological source of Opium. The alkaloids in Opium are biosynthesized from:

8. Nux vomica seeds, containing strychnine and brucine, are often adulterated with seeds of:

9. Reserpine, an antihypertensive and antipsychotic alkaloid, is obtained from the roots of:

10. Ergot alkaloids are produced by which fungus that infects rye and other cereals?

11. Vasicine, an alkaloid from Adhatoda vasica (Vasaka), is clinically used as a/an:

12. Colchicine, obtained from Colchicum autumnale, is used in the treatment of:

13. Which of the following is NOT a true alkaloid?

14. Pilocarpine, an alkaloid from Pilocarpus jaborandi, is a parasympathomimetic agent used to treat:

15. The chief active constituent of Areca nut (Areca catechu) is:

16. Duboisia myoporoides is a commercial source for the production of:

17. Aconitine, a highly toxic alkaloid from Aconitum napellus, is classified as a:

18. Emetine, used as an emetic and amoebicide, is obtained from the rhizomes and roots of:

19. Holarrhena antidysenterica (Kurchi) bark contains the steroidal alkaloid conessine, which is primarily used for treating:

20. The Thalleioquin test is a specific color reaction for:

21. Cocaine, a potent CNS stimulant and local anesthetic, is obtained from the leaves of:

22. Which part of the Belladonna plant (Atropa belladonna) has the highest concentration of alkaloids?

23. The family of Hyoscyamus niger and Datura stramonium is:

24. Solasodine, a steroidal alkaloid used as a precursor for steroid synthesis, is obtained from:

25. Van Urk’s reagent is used for the identification of which class of alkaloids?