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Which of the following statements (i v) are incorrect?
(i) Parapodia are lateral appendages in arthropods used for swimming.
(ii) Radula in molluscs are structures involved in 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)

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  18. Identify the correct characteristic feature shown by the given figure? 
  19. Refer the given figures A, B, C and D and identify the option which shows their correct name. 
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