Question

Integumentary nephridia in Earthworm are also called ?

• A. Enteronephric
• B. Exonephric
• C. Both A and B
  
• D. None of the above

Answer 1

Answer: (B)

Exonephric

Exonephric nephridia are those nephridia, which throw their collected excretory matter directly outside the body wall. Integumentary nephridia are exonephric. Integumentary nephridia are also called exonephric nephridia. These are smallest V-shaped and without nephrostome. Integumentary nephridia are scattered in the body wall of an earthworm. So, the correct answer is option B.