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

  • question_answer
      What are the immediate and contributory causes of diseases? Explain it with the example of a child suffering from diarrhoea.

    Answer:

                      Immediate cause of a disease is the primary factor causing a disease. Contributory causes are factors, which do not cause the disease themselves but provide conditions for the disease to occur. Virus causing diarrhoea is the immediate cause. Contaminated drinking water and lack of resistance due to under-nourishment are the contributory causes.


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