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Platyhelminthes

Column II bel...

Question

Column II below consists of brief description of organisms in column I. Which of the following is incorrect match between column I and column II
Column I Column II
A Millipede A terrestrial organism with two pairs of jointed appendages attached to each of its many body segments and respires through trachea.
B Nerels Numerous setae on leteral appendage called parapodia.
c Taenia sollum Body is covered with cuticle, alimentary canal absent.
d Ctenophores Radially symmetrical, devoid of cnidoblasts, polpy stage present in their life cycle.

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Solution

Ctenophores are biradially symmetrical, devoid of cnidoblasts and consist of only Medusa stage unlike cnidaria where polyp and Medusa stages are alternative.
So, the correct option is 'Ctenophores - Radially symmetrical, devoid of cnidoblasts, polpy stage present in their life cycle'.

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