In Pheretima nephridia occur in
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 all segments and meganephridia from clitellar region to end.
Answer:D
In Pheretima nephridia occur in
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 all segments and meganephridia from clitellar region to end.