List of top Pharmacognosy Questions

Which one of the following enzymes comprises a major part of enzyme-linked receptors:

The key intermediate for the biosynthesis of C6-C3 units is:

The below structure represent the drug:

Lignin is a complex polymer which can be stained pink in the tissue using the following chemicals?

Terpene indole alkaloid derived from L-Tryptophan via secologanin 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:

Arrange the following intermediates in the synthesis of isoprenoids in the right sequence
A. Squalence
B. Farnesyl PP
C. Geranyl PP 
D. Acetyl CoA
E. Mevalonate
Choose the correct answer from the options given below:

Which one of the right sequence of the intermediates in the biosynthesis of opium alkaloids?
A. Tyrosine 
B. Reticuline 
C. Codeine 
D. Morphine 
E. Thebaine 
Choose the correct answer from the options given below:

The following are adulterants of clove except one, choose the most appropriate option:

Aloe contains ______ type of glycosides:

Which one is not the characteristics of the Hexose Monophosphate Pathway?

Sesquiterpenes are biosynthesised from ______ in plants.

If the resins contain benzoic acids or cinnamic acids they are called

Aklyl group in Grignard reagent serve as

All the following about back nitration are true, EXCEPT

The ring structure present in strygchnine alkaloid is____.

Modified borntrager’s test is used to detect the presence of which type of glycosides:

Which of the following genes responsible for graft rejection in humans?

Lucas test is very rapid with:

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

Quinine and quinidine differs in:

Following is not an example of carbapenem