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Which of the following nephridia is responsible for exonephric excertion in earthworm? |
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a) |
Septal nephridia |
b) |
Pharyngeal nephridia |
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c) |
Integumentary nephridia |
d) |
All of these |
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Which of the following nephridia is responsible for exonephric excertion in earthworm? |
|||
|
a) |
Septal nephridia |
b) |
Pharyngeal nephridia |
|
c) |
Integumentary nephridia |
d) |
All of these |
(c)
Integumentary nephridia are attached to the inner surface of the body wall in all the segments except the first two. They discharge waste matter to the exterior by nephridiopores. Therefore, they are responsible for the exonephric excretion