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