Question

The excretory pore present in Ascaris are

• A. One
• B. Three
• C. One anterior and one posterior
• D. One pair

Answer 1

Answer: (A)

Ascaris is the nematode worm. They have an H-shaped excretory system. They have a longitudinal excretory canal which leads to an excretory pore. This is the pore that is responsible for the excretion of the wastes. A single excretory pore is located mid-ventrally and a little behind the mouth.

Thus, the correct answer is A.