KVV E-Modules

Which of the following statements about alkaloids is correct?

A: Alkaloids are always oxygen-containing compounds B: Alkaloids are acidic in nature. C: Alkaloids often contain nitrogen in a heterocyclic ring. D: Alkaloids are always water-soluble in their free base form

Which plant organ in tobacco is the site of synthesis of nicotine?

A: Leaves B: Flower C: Stem D: Root

Who was the first to isolate the alkaloid morphine?

A: Derosne B: Evans C: Serturner D: Harborne

The name "alkaloid" refers to their:

A: Acidic properties B: Bitter taste C: Alkali-like basic nature D: Aromatic structure

Which of the following elements is most characteristic of alkaloids?

A: Sulphur B: Phosphorus C: Nitrogen D: Chlorine