Saponins are the active ingredient of -

Correct option is A

· Correct answer: (a) Safed musli
· Saponins are the active ingredient in Safed musli (Chlorophytum borivilianum), a medicinal plant used for its aphrodisiac and health-boosting properties.
Other options:
· (b) Aloe: Aloe contains anthraquinones and other compounds, not saponins as the primary active ingredient.
· (c) Senna: Senna contains anthraquinones for its laxative properties, not saponins.
· (d) Opium poppy: Contains alkaloids like morphine and codeine, not saponins.