Q.

All chordates possess the following features except:
(i) They have a notochord 
(ii) They have a dorsal nerve cord
(iii) They are diploblastic 
(iv) They have paired gill pouches
(v) They are acoelomate

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a

iii and v

b

ii ,iii and iv

c

i, ii, and iv

d

i and ii

answer is C.

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Detailed Solution

Chordates are triploblastic and coelomate.

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All chordates possess the following features except:(i) They have a notochord (ii) They have a dorsal nerve cord(iii) They are diploblastic (iv) They have paired gill pouches(v) They are acoelomate