NCERT Important Questions Class 9 Science biology Chapter 13
Important NCERT Extra Questions
Chapter 13 Why do We Fall ill
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
Classify the following diseases as infectious and non-infectious:
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(i) Infectious diseases. AIDS, Tuberculosis, Cholera.
(ii) Non-Infectious diseases. High blood pressure, Heart disease, Pneumonia, Cancer.