Question

Excretory system of Ascaris lumbricoides is made up of

• A. 4 cells.
• B. Many cells.
• C. One cell.
• D. Two cell.

Answer 1

Answer: (C)

One cell.

Ascaris lumbricoides is known as roundworm which belongs to phylum Nematoda. It has a tubular body and is commonly found as an intestinal parasite in the vertebrates like the man, pig, cattle etc. It has a single giant H-shaped rennet cell forming excretory system. It consists of two lateral longitudinal excretory canals, connected below the pharynx by a transverse canalicular network. So, the correct answer is option C.