| (i) The body is circular in cross-section hence known as roundworms. |
| (ii) Alimentary canal is complete with a well- developed muscular pharynx. |
| (iii) Sexes are separate (dioecious), i.e., males and females are distinct. |
| (iv) Nephridia help in osmoregulation and excretion. |
A) (i) and (ii)
B) (iii) and (iv)
C) (i), (ii) and (iii)
D) All of these
Correct Answer: C
Solution :
[c] Nephridia present in phylum- annelida help in osmoregulation and excretion. In aschelminthes, an excretory tube removes body wastes from the body cavity through the excretory pore.
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