question_answer

Read the following statements carefully -

[A] Setae of earthworm are   S-shaped embedded in cuticular pits in middle of each segment except first, last and clitellum

[B] Epidermis of earthworm consist of single layer of columnar epithelial cells without any secretory cells

[C] Blood gland and pharyngeal nephridia located in same segments of earthworm

[D] Nervous system in earthworm is basically represent by ganglia arranged segmentwise on the ventral paired nerve cord

Now choose how many statements is/are correct?

A) Four                             

B) Three

C) Two                             

D) One