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Conside the following statements in ac...

Conside the following statements in accordance to the excretory system of the earthworm.
I. Nepridia is segmentally arranged coiled tublue.
II. Nephridia regulates the volume and composition of the body fiuids.
III. There are three types of nephridia found in the earthworn.
IV. Pharyngel nephridia is present as three paried trufts in the 4th, 5th and 6th segments.
Which of the above statements is/ are correct ?

A

Only I

B

I and IV

C

I,II and III

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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