| (A) it is a fresh water, metamerically segmented protostome |
| (B) the clitellum is absent |
| (C) it is unisexual |
| (D) its larval form is trochophore |
| (E) the nervous system is found in the epidermis |
A) A, B and E
B) B, C and E
C) B, C and D
D) C, D and E
Correct Answer: C
Solution :
Cheatopteris (paddle worm) is a marine tubicolous, luminescent polychaete having 15-33 cm long body differentiated into three regions ? anterior (15-20 segments), middle (three segments) and posterior region (several segments, each with a pair of normal. parapodia), clitellum is absent, sexes separate, (i.e., unisexual) cocoon absent and larva is trocophore.
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