The modification of the outer skeleton into plates for movement is seen in
A
Cockroach
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B
Earthworm
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C
Fish
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D
Snail
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Solution
The correct option is A Cockroach Cockroaches walk and climb as well as fly in the air. They have three pairs of legs. These help in walking. The body is covered with a hard outer skeleton. This outer skeleton is made of number of plates joined together and that permits movement. There are two pairs of wings attached to the body behind head. Hence the correct option is A.