9th Class Science Why do we fall Ill? Question Bank Why do we Fall Ill

  • question_answer
    Read the given statements and select the correct option.
    Statement 1: The exaggerated response of the immune system to certain antigens present in the environment is called as allergy.
    Statement 2: The allergic tendency may genetically passed from the parents to the children and is characterised by the presence of large quantities of IgE antibodies in the blood.

    A) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

    B) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

    C) Statement 1 is true but statement 2 is false.

    D) Both statements 1 and 2 are false.

    Correct Answer: B

    Solution :

    Allergic diseases occur due to hypersensitivity of body to certain external agents called allergens. It is characterised by the presence of large quantities of IgE antibodies in the blood.


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