| (i) Parapodia are lateral appendages in arthropods used for swimming. |
| (iii) In molluscs radula is responsible for the process of excretion. |
| (iii) Aschelminthes are dioecious. |
| (iv) Echinoderm adults show radial symmetry. |
| (v) Ctenophorans are diploblastic. |
A) (i) and (ii)
B) (i) and (iii)
C) (i), (iv) and (v)
D) (iii) and (v)
Correct Answer: A
Solution :
[a] Aquatic annelids like Nereis possess lateral appendages (called parapodia) which help in swimming. Radula is the rasping organ for feeding which is present in the mouth of molluscs.
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