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Which of the following statements (i - v) are correct ?
(i) The pelvic fins of female sharks bear claspers.
(ii) In Obelia, polyps produce medusae sexually and medusae form the polyps asexually.
(iii) Flame cells in platyhelminthes help in osmoregulation and excretion.
(iv) In non-chordates, central nervous system is ventral, solid and double.
(v) Pinnae are present in mammals.

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(i), (ii) and (iii)

(ii), (iv) and (v)

(i), (iii) and (v)

(iii), (iv) and (v)

answer is C.

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Detailed Solution

Statements (iii), (iv) and (v) are correct. The pelvic fins of male sharks bear claspers. In cnidarians (e.g. Obelia) polyps produce medusae asexually and medusae form the polyps sexually.

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