Anthrol acts as purgative due to -: (A) Irritant action, (B) Bulk formation in intestinal lumen, (C) Osmotic action, (D) Emollient effect
Answer is A. Ans. is 'a' i.e., Irritant action o Anthroquinones (senna, cascara sagrada) are stimulant purgatives --> irritate the intestinal mucosa and thus stimulate motor activity.