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.
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