The entire body ofcckroach is covered by------

Options :
  1. skin
  2. shell
  3. hard chitinous exoskeleton
  4. keratin

Answer and Explanation :-

Answer: Option 3


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You are guilty of no evil, Ransom of Thulcandra, except a little fearfulness. For that, the journey you go on is your pain, and perhaps your cure: for you must be either mad or brave before it is ended.
-C.S. Lewis Out of the Silent Planet