Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    A bee-sting leaves an acid which causes pain and irritation. The injected acid is

    A)  Acetic acid       

    B)  sulphuric acid

    C)  Citric acid        

    D)  methanoic acid

    Correct Answer: D

    Solution :

    [d] The acid in bee sting is formic add which is also known as methanoic acid. However it is not really the acid that causes the pain. Most active ingredients in bee venom is melittin & apamin both of which cause pain & swelling.


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