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Phylum Arthropoda

Which of the ...

Question

Which of the following structure is absent in Arachnida?

A

Chelicerae

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B

Pedipalps

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C

Mandibles, wings, compound eyes and antennae

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D

Both A and B

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Solution

The correct option is C Both A and B
Arachnids is a class of joint-legged invertebrate animals. They have the first pair, the chelicerae, serve in feeding and defence. The next pair of appendages is pedipalps, adapted for feeding, locomotion and/or reproductive functions. These are further distinguished from the insects by the fact that they do not have antennae or wings.
Therefore, the correct answer is option D.

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