Railways General Science & Technology Diseases Sample Paper Human Diseases Sample Test Paper-32

  • question_answer
    Which one of the following disease is not caused by virus?

    A)  Polio   

    B)  Rabies

    C)  Smallpox         

    D)  Diphtheria

    Correct Answer: D

    Solution :

    [d] Lichen is a composite symbiotic association of a fungal member (mycobiont) and an algal or cyanobacterial member (phycobiont). The phycobiont is photosynthetic and syntheses carbohydrates, which is consumed by the mycobiont. The mycobiont provides mechanical support to the alga and also helps absorbing the minerals from the Substrata.


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