Concanavalin $A$ is:

Identify the alkaloid from the given options.

The pungent principle of mustard,$Sinigrin$,is due to:

Primary metabolites play a known role in

Substances like nicotine,caffeine,quinine,strychnine,and opium are obtained from plants. What function do these substances provide to the plants?

Secondary metabolites such as nicotine,strychnine,and caffeine are produced by plants for their: