MPSC PYQScienceप्राणिशास्त्रenglish

........... these animals are known as indicators of water pollution as they thrive in mud.

A.Lumbrix
B.Tubifex
C.Megacolex
D.Ferretima

Correct answer: B

Source paper

प्राणिशास्त्र (Zoology)

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