Question

Peristaltic movements are found in different parts of the alimentary canal. In which one of these there is the least peristalsis?

• A. Rectum
• B. Stomach
• C. Duodenum
• D. Oesophagus

Answer 1

The correct option is A

Rectum

The correct option is A.
The explanation for the correct option:

1. Peristaltic movement refers to the continuous wave-like contraction which assists food to move through the alimentary canal.
2. It starts in the esophagus where strong wave-like contraction where is strong.
3. In the rectum peristaltic movement is least.

The explanation for the incorrect options:
Option B

Peristaltic movement moves the food ball in the stomach from the esophagus.

Option C

Duodenum is the first small part of the intestine.

Option D

In the esophagus, peristalsis is strong as it moves food to the stomach.

Final answer: In the rectum, there is the least peristalsis.