Question

Identify the wrong statement regarding earthworm.

• A. The first body segment is called peristomium
• B. Prostomium contains the mouth
• C. Clitellum is made up of glandular tissue
• D. Prostomium is sensory in function
• E. Body setae are S-shaped

Answer 1

The correct option is B Prostomium contains the mouth

[A] The first segment of the earthworm, the peristomium, contains the mouth. There is a small tongue-like lobe which is just above the mouth termed as prostomium. It is the right statement regarding earthworm.

[B] Earthworms use the prostomium to see their environment, as earthworms have no eyes, ears, nose or hands It is the wrong statement regarding earthworm.

[C] Clitellum is the ring-shaped, non- segmented glandular tissue or region in the body of annelids such as earthworm and leeches. It is the right statement regarding earthworm. It is the right statement regarding earthworm

[D] The Prostomium is actually a sensory device. It is the right statement regarding earthworm

[E] The body consists of S-shaped setae, which help in locomotion in the earthworm. It is the right statement regarding earthworm.

Thus, the correct answer is option B.