Which one of the following is common in silverfish, scorpion, dragonfly and prawn?

Chitinous cuticle and two pairs of antennae

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Jointed appendages and chitinous exoskeleton

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Cephalothorax and tracheae

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Three pairs of legs and segmented body

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Solution

The correct option is B
Jointed appendages and chitinous exoskeleton

Jointed appendages and a chitinous exoskeleton are two features common in silverfish, scorpion, dragonfly and prawn. Features mentioned in the other options are also features observed in some of the arthropods.

Suggest Corrections

	Genus name	Characters	Phylum
(a)	Pila	(i) Body segmented (ii) Mouth with radula	Mollusca
(b)	Asterias	(i) Spiny skinned (ii) Water vascular system	Echinodermata
(c)	Sycon	(i) Pore bearing (ii) Canal system	Porifera
(d)	Periplaneta	(i) Jointed appendages (ii) Chitinous exoskeleton	Arthropoda