Question

Nephridiopores present over the body of earthworm belong to

• A. Integumentary nephridia
• B. Septal nephridia
• C. Pharyngeal nephridia
• D. Peptonephridia

Answer 1

The correct option is A Integumentary nephridia

The excretory organs occur as segmentally arranged coiled tubules called nephridia. Nephridia regulate the volume and composition of the body fluids. Integumentary nephridia attached to the lining of the body wall of segment 3 to the last that open on the body surface. Nephridiopores present over the body of earthworm belongs to Integumentary nephridia.

So the correct answer is "Integumentary nephridia".