| The figure shows four animals , , , . |
| Select the correct answer with respect to a common characteristics of two these animals. [AIPMT (M) 2011] |
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A) and respire mainly through body wall
B) and show radial symmetry
C) and have cnidoblasts for self-defense
D) and have a true coelom
Correct Answer: D
Solution :
[d] From phylum-Arthropoda to phylum-Chordata, all are eucoelomate. In option [c]. Octopus, a mollusc, is bilaterally symmetrical, triploblastic and coelomate animal. In option [d], scorpion, an arthropod, is bilaterally symmetrical, triploblastic, segmented and coelomate animal.
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