A) Archiannelida
B) Hirudinea
C) Oligochaeta
D) Polychaeta
Correct Answer: B
Solution :
Hirudinaria which belongs to class Hirudinea contain eleven pairs of testis sacs in segment 12 to 22 and one pair of globular ovisacs enclosing coelomic spaces and an ovary in each.You need to login to perform this action.
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