Question

A complete digestive tract consists of an oral and an anal opening.

• A. True
• B. False

Answer 1

The correct option is A True

In humans, the alimentary canal begins with an anterior opening, called mouth and it opens out posteriorly through another opening, anus. Such an alimentary canal is called complete. In some animals like coelenterates only single opening is present, such an alimentary canal is called incomplete.