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The given figures (A-D) show four animal...

The given figures `(A-D)` show four animals. Select the correct option with respect to a common characteristic of any two of these animals.

A

a) A and D respire mainly through body wall

B

b) B and C show radial symmetry.

C

c) A and B have cnidoblasts for self-defence.

D

d) C and D have a true coelom.

Text Solution

Verified by Experts

The correct Answer is:
D
Figure `'C'` is of Octopus (mollusc) and figure `'D'` is of scorpion (arthropod). Both have true coeloms. Figure `A` is of tapeworm (platyhelminth) and Figure `B` is of Aurelia (cnidarian). Scorpion respires through book lungs. Octopus shows bilateral symmetry. Tapeworm does not have cnidoblasts for self-defence.
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