Grade 12 Biology: The Role of Microbes in Human Welfare

We often think of microbes as germs that cause diseases, but many of them are actually essential for our survival and comfort. In this chapter, you will explore how bacteria and fungi are used to create everyday household foods, industrial antibiotics, and clean energy like biogas. You will also discover how harnessing these tiny organisms helps us treat wastewater and grow healthier crops without relying on harmful chemicals.