2. Solved Papers
  3. Railways

Railways R.R.C. (Chennai) Solved Paper Held on 1st Shift 2-11-2014

  • question_answer
    The blood of a cockroach is?

    A) Red                              

    B) Blue

    C) Green               

    D) Colourless

    Correct Answer: D

    Solution :

    Cockroach blood is not red because they do not use hemoglobin to carry oxygen. Cockroaches have no respiratory pigment, thus their blood is colourless.


You need to login to perform this action.
You will be redirected in 3 sec spinner