Introduction
CBSE · Class 11 · Biotechnology
Summary of Introduction for CBSE Class 11 Biotechnology. Key concepts, important points, and chapter overview.
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Overview
Biotechnology is the use of living cells and biological molecules to make useful products for human benefit. The field combines biology with technology and draws on cell biology, molecular biology, microbiology, genetics, anatomy and physiology, biochemistry, computer science, and recombinant DNA te
Key Concepts
Biotechnology means using living cells and/or
Biotechnology means using living cells and/or biological molecules to produce useful products. It combines biological systems with technical methods t
Early biotechnology included domestication of animals
Early biotechnology included domestication of animals, selective breeding of plants and animals, and fermentation for bread, cheese, wine, beer, curd,
Fermentation is a microbial process
Fermentation is a microbial process in which enzymatically controlled conversion of organic compounds occurs. Louis Pasteur showed that yeast and othe
Robert Hooke observed cork in 1665
Robert Hooke observed cork in 1665 and named the small rectangular structures cellulae. Antonie van Leeuwenhoek saw living organisms in pond water in
Gregor Mendel began studies on heredity
Gregor Mendel began studies on heredity in 1857. Johann Friedrich Miescher isolated nuclein from white blood cells in 1869. Walter Flemming described
Learning Objectives
- Understand the meaning of biotechnology and its basic idea
- Trace the historical development from ancient practices to modern biotechnology
- Recognise the major milestones in cell biology, genetics, and molecular biology
- Explain the role of recombinant DNA technology in modern biotechnology
- Identify the major applications of biotechnology in medicine, agriculture, food processing, environment, and industry
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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