List of top Pharmacognosy Questions on Principles of plant classification

Size of a pilot plant batch is:

Antioxidant which is obtained from a desert plant and shows synergistic action with citric acid is:

Match List I with List II:

List I: Compound		List II: Plant species
A.	Cardinolides	I.	Ruta graveolens
B.	Rutin	II.	Catharanthus roseus
C.	Ajamalicine	III.	Papaver somnifera
D.	Codeine	IV.	Digitalis lanata

Choose the correct answer from the options given below:

Unicellular conical, warty trichomes, paracytic stomata, xylem vessels with annular thickening are important microscopical features of which plant?

Sesquiterpenes are biosynthesised from ______ in plants.

All the following about back nitration are true, EXCEPT

All members of this order are trees or shrubs; mostly evergreen with needle - like leaves ; monoecious or dioecious - sporophylls usually in cones. Resin ducts occur in all parts :

In Gambir - fluorescin test the petroleum spirit layer shows a strong :

What molecular feature is penicillin G is said o mimic

What structure is formed if the acyl side chain of penicillin is hydrolysed

All of the following are leaf constants EXCEPT