1.

In Pheretima nepheridia occur in [APMEE 1996]

A. All segment except 1 - 4 and 10 - 14
B. 1 - 2, 4 - 6, 15 to last segments
C. Meganephridia in pre-clitellar and micronephridia in post-clitellar segments
D. Micronephridia in alll segments meganephridia from clitellar region to end
Answer» E.


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