Transcription of Chapter 9 Chapter 10 - NCERT
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Chapter 8 Human Health and DiseaseChapter 9 Strategies for Enhancement inFood ProductionChapter 10 Microbes in Human WelfareBiology is the youngest of the formalised disciplines of naturalscience. Progress in physics and chemistry proceeded muchfaster than in Biology. Applications of physics and chemistry inour daily life also have a higher visibility than those of , twentieth century and certainly twenty-first centuryhas demonstrated the utility of biological knowledge infurthering human welfare, be it in health sector or discovery of antibiotics, and synthetic plant-derived drugs,anaesthetics have changed medical practice on one handand human health on the other hand. Life expectancy ofhuman beings have dramatically changed over the practices, food processing and diagnostics havebrought socio-cultural changes in human communities.
Chapter 8 Human Health and Disease Chapter 9 Strategies for Enhancement in Food Production Chapter 10 ... one of us suf fers fr om these at sometime or other . Some of the infectious diseases like AIDS are fatal. Among non-infectious diseases, cancer is the major cause of death. Drug and alcohol abus e also affect our health adv ersely.
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