List of top Pharmacognosy Questions

All the following about back nitration are true, EXCEPT

The ring structure present in strygchnine alkaloid is____.

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

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:

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

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

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

Lucas test is very rapid with:

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

Quinine and quinidine differs in:

Following is not an example of carbapenem

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

Sesquiterpenes are biosynthesised from ______ in plants.

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:

Chemically volatile oils differ from fixed oils in one of the following characters:

Match the types of glycosides under Column I with their respective examples under Column II and choose the correct option:

	Column I Glycosides		Column II Examples
A	Anthracene	I	Digitalis
B	Cardiac	II	Licorice
C	Saponin	III	Senna
D	Cyanogenetic	IV	Ashwagandha
		V	Bitter Almond

Choose the correct answer from the options given below:

Aklyl group in Grignard reagent serve as

Lycopodium spores are used in quantitative microscopy for the following:

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:

Ayurvedic fermented preparation includes

Isabgol belongs to family:

Which one of the following is an autosomal dominant syndrome in its inheritance?

The correct rank order of orientation of sulfonation in toluene is:

Terpene indole alkaloid derived from L-Tryptophan via secologanin is:

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