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Which of the following is not true about nephridia in earthworm?

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in Biology – Class 11 by (272k points)
Which of the following is not true about nephridia in earthworm?

(a) They are excretory organs

(b) They do not regulate the composition of body fluids

(c) They are of three types

(d) They regulate the volume of body fluids

This question was posed to me in final exam.

My query is from Animals Structural Organisations in section Structural Organisations in Animals of Biology – Class 11

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Correct option is (b) They do not regulate the composition of body fluids

Explanation: Nephridia regulate both the volume as well as the composition of body fluids. They are the excretory organs of the earthworm. They are of three types – septal, integumentary and pharyngeal.

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