Question
Biology Question on excretory products and their elimination
Which of the following nephridia does not found in earthworm?
A
Septal nephridia
B
Macro nephridia
C
Integumentary nephridia
D
Pharyngeal nephridia
Answer
Macro nephridia
Explanation
Solution
Nephridia are excretory organs of earthworms. Three types of nephridia are found in earthworm according to their location, namely the septal nephridia, pharyngeal nephridia and integumentary nephridia. Earthworm excretes urea as well as ammonia as an excretory waste. So, it is known as ureotelic as well as ammoniotelic.