This document provides an introduction to biotechnology. It defines biotechnology as using scientific methods to produce new products or organisms. It then discusses how biotechnology is applied in various fields like agriculture, medicine, environment, and food processing. Some key applications mentioned are using biotechnology to improve milk production, develop disease-resistant plants, conduct gene therapy, produce renewable energy, and develop health-promoting or nutrient-enriched foods. The document emphasizes that biotechnology helps meet basic human needs while enhancing safety, efficiency and productivity.