Which one of the following feature is common in silverfish, scorpion, dragonfly and prawn?
A
Three pairs of legs and segmented body
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B
Chitinous cuticle and two pairs of antennae
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C
Jointed appendages and chitinous exoskeleton
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D
Cephalothorax and tracheae
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Solution
The correct option is C Jointed appendages and chitinous exoskeleton Silverfish, scorpion, dragonfly and prawn all belong to phylum Arthropoda. All arthropods are characterised with jointed appendages and a chitinous exoskeleton. The exoskeleton helps in protection. They shed their exoskeleton by a process known as moulting or ecdysis.