These notes cover Class IX Science (Biology) Chapter 13: “हम बीमार क्यों होते है” (Why Do We Fall Ill). They provide comprehensive explanations and insights into the various factors contributing to human illnesses, including pathogens, infectious diseases, immunity, and preventive measures.
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Notes Class IX विज्ञान (जीव विज्ञान) Chapter 13 हम बीमार क्यों होते है
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These notes cover Class IX Science (Biology) Chapter 13: “हम बीमार क्यों होते है” (Why Do We Fall Ill).
Categories: Class 9, Notes, Notes in Hindi Language, Science
Tags: Biology, Chapter 13, Class IX, Disease, Health, Immunity, Infectious Diseases, Pathogens, Preventive Measures, Science, हम बीमार क्यों होते है
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