A) supra-pharyngeal ganglia and has a fused pair of ganglia in each segment from the 3rd to the last
B) supra-pharyngeal ganglia and has fused pair of ganglia in each segment from the 4 to the last
C) sub-pharyngeal ganglia and has a fused pair of ganglia in each segment from the 5th to the last
D) sub-pharyngeal ganglia and has a fused pair of ganglia in each segment from the 6th to the last
Correct Answer: B
Solution :
The ventral nerve cord in earthworm originated from the sub-pharyngeal ganglia and has fused pair of ganglia in each segment from the 5th to the last.
You need to login to perform this action.
You will be redirected in
3 sec
