18. Opium contains __________ of morphine.
8. Cinchona alkaloids with Br2 water and dilute ammonia gives
11. Van Urk’s test is used to identify
17. Which of the following drug is not from Liliaceae?
9. Which one of the following is true for alkaloidal bases?
1. Which alkaloids give positive murexide test?
7. Which of the following alkaloids has steroidal structure?
4. Idioblasts of crystal layer of calcium oxalate is a diagnostic feature of
5. Alkaloids in cinchona bark are determine by
20. All are tyrosine-derived alkaloids, except
15. Picric acid is a chemical composition of
3. Reserpine and deserpidine differ each other in respect of
2. Which of the following possess amino alkaloids?
13. Thalleoquin test is used to identify
12. Hygrine is biogenetically derived from __________
19. Ma Hung is synonym of
14. Which of the following is diterpene class alkaloid?
10. Plasmodesma is present in
16. p-dimethyl aminobenzaldehyde is a chemical compo sition of
