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The figure sh...

Question

The figure shows four animals A, B, C and D. Select the correct answer regarding the characteristic feature of animals.

A

A and D have cnidoblasts for self-defence

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B

B, C and D have true coelom

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C

A and D respire mainly through gills

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D

B and C show radial symmetry

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Solution

The correct option is B B, C and D have true coelom
Coelom refers to the main body cavity of multicellular animals and contains the digestive tract and other organs. Both crab and scorpion which belong to Arthropoda and vertibrates like reptiles have true coelom. So, the correct answer is option B.

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ii) Jelly fishes possess cnidoblasts but comb-jellies lack them.
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