CBSE /Class 9
Science MCQ Based On Why do we fall ill introduction
Our free online Science test quiz for Class 9, CBSE will assist you to improve your Science skills on every concept in a fun interactive way.
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CBSE Class 9 Science Why do we fall ill introduction
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Vector carry diseases from one person to another
The other options may cause diseases or make us unhealthy
Caused by communication
Antibodies are proteins that helps body to fight diseases
Acquired immunodeficiency syndrome
All other are acute diseases
Three of them help to recover from falling ill or keep us fit
It caused by virus and affects liver.
jaundice affects liver and pancreas
Moquitoes causes malaria
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