About NCERT Exemplar Solutions for Class 12 Biology Chapter 10: Microbes in Human Welfare
The NCERT exemplar Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare highlight the crucial role of microorganisms in agriculture, industry, medicine, and environmental management. This chapter is vital for students to understand the applications of microbiology in real-life scenarios, from biofertilisers to antibiotics. The chapter begins with microbes in agriculture, focusing on nitrogen-fixing bacteria like Rhizobium, phosphate-solubilising bacteria, and mycorrhizal fungi. The solutions explain how these microorganisms improve soil fertility and crop yield, emphasizing sustainable agricultural practices.
A significant portion covers Biology are microbes in industry, including fermentation processes used to produce alcohol, organic acids, enzymes, vitamins, and biofuels. The exemplar solutions provide examples like yeast in bread-making, lactic acid bacteria in dairy, and microbial enzymes in detergents. Students learn the economic and environmental significance of microbial applications. The chapter also explores medical applications, including the production of antibiotics, vaccines, and probiotics. Solutions explain the role of penicillin, streptomycin, and other antibiotics, along with microbial contributions to modern biotechnology and drug development. Environmental applications of microbes are discussed in detail, including bioremediation, sewage treatment, and waste management. Students understand how microorganisms degrade pollutants, clean water, and restore ecological balance. By solving exemplar questions, students gain clarity on the diversity, utility, and significance of microorganisms in human welfare. The solutions integrate theoretical concepts with practical applications, reinforcing problem-solving and critical thinking skills. Overall, Chapter 10 provides a comprehensive understanding of microbial contributions to agriculture, industry, medicine, and the environment, encouraging students to appreciate the importance of microbes in sustainable development. Read the NCERT textbook and solve questions with the help of NCERT solutions for class 12 Biology.