The important alkaloids of areca

The precursors of arecoline and arecaidine of areca

The name of this structuer is

The name of this structuer is

Tobacco:is the dried leaf of

Family of tobaco is

Tobacco contain alkaloid is

Nicotine in small doses can act as respiratory stimulant, but in large dose it causes respiratory depression.

nicotine is toxic to human due to its effect on

nicotine can not improve memory (reduces risk of Alzheimer) by stimulating the transmission of nerve impulses

Nicotine is a toxic alkaloid & a dose of ....... is said to be fatal to humans.

nicotine has pronounced
effects on the cardiovascular system, where peripheral vasoconstriction, atrial tachycardia ............. are observed.

The carcinogenicity of tobacco is probably due

Name of this structuer is

Name of this structuer is

Lythraceae is falmily of

Punicaceae have the alkaloid