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

  • question_answer
      What are non-infectious diseases? Give two examples of non-infectious diseases.  

    Answer:

                               Non-infectious diseases are those diseases that are not caused by infectious agents and are restricted only to the persons, who are suffering from them. Their causes are mostly internal or genetic, e.g.. Cancer and high blood pressure  


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