Question

Which of the following organism has flame cells for excretion?

• A. Flatworms
• B. Roundworms
• C. Hookworms
• D. Pinworms

Answer 1

Answer:

A. Flatworms

• Flame cells are also known as protonephridia.

• These are the excretory structures of flatworms like planaria, rotifers, some annelids and some cephalochordates like the Amphioxus.

• Flame cells are the primitive forms of nephridia.