SSC General Science & Technology Sample Paper NCERT Sample Paper-4

  • question_answer
    Which of the following appears due to effect of the bacteria?

    A)  Small pox        

    B)  Dysentery

    C)  Influenza

    D)  Cholera

    Correct Answer: D

    Solution :

    [d] Cholera is a serious bacterial disease that usually causes severe diarrhea and dehydration. The disease is typically spread through contaminated water. In severe cases, immediate treatment is necessary because death can occur within hours. This can happen even if you were healthy before you caught it. The virus which causes smallpox is contagious and spreads through person-to-person contact and saliva droplets in an infected person's breath. Smallpox no longer occurs naturally since it was totally eradicated by a lengthy and painstaking process, which identified all cases and their contacts and ensured that they were all vaccinated. Until then, smallpox killed many millions of people. Dysentery can have a number of causes. Bacterial infections are by far the most common causes of dysentery. These infections include Shigella, Campylobacter, E. coli, and Salmonella species of bacteria. Influenza, also   called flu or grippe, an acute viral infection of the upper or lower respiratory tract that is marked by fever, chills, and a generalized feeling of weakness and pain in the muscles, together with varying degrees of soreness in the head and abdomen.

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