NCERT Book Class 12 Biology Chapter 9 Biotechnology : Principles and Processes

Ever since the days of Rene Descartes, the French philosopher,
Chapter 9 mathematician and biologist of seventeenth century, all human
Biotechnology : Principles and knowledge especially natural sciences were directed to develop
Processes technologies which add to the creature comforts of human
lives, as also value to human life. The whole approach to
Chapter 10 understanding natural phenomena became anthropocentric.
Biotechnology and Its Physics and chemistry gave rise to engineering, technologies
Applications and industries which all worked for human comfort and welfare.
The major utility of the biological world is as a source of food.
Biotechnology, the twentieth century off-shoot of modern
biology, changed our daily life as its products brought
qualitative improvement in health and food production. The
basic principles underlying biotechnological processes and some
applications are highlighted and discussed in this unit.