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Biotechnology

Telangana Open School (TOSS) · Class 12 · Biology

Complete topic list for Biotechnology in Telangana Open School (TOSS) Class 12 Biology. Key concepts, sub-topics, and what to focus on for board exams.

45 questions28 flashcards4 concepts

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4 Topics · Telangana Open School (TOSS) Class 12 Biology

Topics in Biotechnology

1

Introduction to Biotechnology

  • Biotechnology uses biological processes, organisms, or systems to develop products for human use.
  • It includes applications in agriculture, medicine, and industry.
  • The term 'biotechnology' was first used by Carl Ericay in 1919.
2

Genetic Engineering and r-DNA Technology

  • Genetic engineering involves artificially manipulating DNA to change an organism’s characteristics.
  • Traditional breeding cannot transfer genes between unrelated species; genetic engineering can.
  • Recombinant DNA (r-DNA) technology allows insertion of foreign genes into host organisms.
3

Steps in Recombinant DNA Technology

  • Isolation of the desired gene using restriction enzymes.
  • Insertion of the gene into a vector (like a plasmid).
  • Introduction of the recombinant vector into a host cell (like E. coli).
4

Applications of Biotechnology

  • Pest-resistant and drought-tolerant crops are developed using r-DNA technology.
  • Crops with higher nutritional value (e.g., Golden Rice) are produced.
  • Nif genes for nitrogen fixation can be introduced into plants.

Key Concepts

Central concept: Biotechnology

Recombinant DNA TechnologyGenetic EngineeringApplications of BiotechnologyEmerging Areas

Frequently Asked Questions

What are the important topics in Biotechnology for Telangana Open School (TOSS) Class 12 Biology?
Biotechnology covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Biotechnology — Telangana Open School (TOSS) Class 12 Biology?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 41 chapters — Telangana Open School (TOSS) Class 12 Biology Syllabus

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