Expected questions of NCERT Class 9th, Topic – Why Do We Fall ill? (Health and diseases) for any competitive and school examination
Expected questions of NCERT Class 9 th , Topic – Why Do We Fall ill ? (Health and diseases) for any competitive and school examination 1) For cell which substance is not essential? a. Proteins b. carbohydrate c. lignin d. lipids 2) According to which body says, ‘health is the state of physical, mental and social well-being’? a. UNO b. WHO ...