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

  • question_answer
      (a) Which disease is caused by female Anopheles mosquito? (b) Why female Anopheles mosquito feeds on human blood? (c) State some methods of prevention from this disease.

    Answer:

     (a) Malaria                                (b) It requires protein of human blood to lay eggs. (c) Preventive measures of malaria, are §  Insect repellents (e.g., odomos) should be used to prevent mosquito bites. §  Wire-guaze should be used on doors and windows of houses to prevent entry of mosquitoes. §  Mosquito larvae can be killed by sprinkling kerosene oil in water reservoirs.  §    § 


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