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

  • question_answer
      Describe deficiency disease.

    Answer:

                      Deficiency diseases are caused due to deficiency of certain nutrients in our diet like proteins, minerals and vitamins. It is a type of non-communicable disease. Examples: Kwashiorkor, marasmus, anaemia, etc.


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