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Recent Innovations in Biotechnology

CBSE · Class 12 · Biotechnology

Quick revision notes for Recent Innovations in Biotechnology — CBSE Class 12 Biotechnology. Key concepts, formulas, and definitions for last-minute revision.

124 questions84 flashcards5 concepts

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Key Topics to Revise

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1. Environmental Biotechnology

  • Environmental biotechnology uses biological systems to prevent pollution, detect contaminants, treat waste, and support bioremediation.
  • Biofuels are produced from biological products such as living organisms or waste materials like landfills and recycled vegetable oil.
  • On the basis of characteristics, biofuels are broadly divided into biodiesel, bioalcohol, biogas, and biomass.
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2. Biodegradation and Bioplastics

  • Biodegradation helps break down non-biodegradable waste and supports environment-friendly recycling.
  • Microbes have been identified that can break down some plastics and other non-biodegradable materials.
  • Bioplastics are made using biological materials instead of fossil fuels.
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3. Biotechnology in Oil Recovery and Bioremediation

  • Microbial technologies are used in Enhanced Oil Recovery to extract residual oil from wells.
  • A genetically engineered Pseudomonas bacterium can be used to eat oil spills.
  • Bioremediation uses microorganisms to reduce the toxicity of pollutants in soil or water.
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4. Plant Biotechnology and GM Crops

  • GM crops have improved yield, stress tolerance, nutrition, and resistance to pests and diseases.
  • Almost 29 countries adopted GM crops, with soybean, maize, cotton, and canola as the major crops.
  • Herbicide tolerance is achieved by over-producing the herbicide target enzyme, usually in the chloroplast, making the plant insensitive.

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Key Concepts

Biofuels are fuels produced from biologicalBiodiesel is produced from raw materialsBioalcoholBiogas is produced anaerobically from organicPolyhydroxybutyrate (PHB) is a biodegradable plastic

Frequently Asked Questions

What are the important topics in Recent Innovations in Biotechnology for CBSE Class 12 Biotechnology?
Key topics in Recent Innovations in Biotechnology include Recent Innovations in Biotechnology Overview, Recent Innovations in Biotechnology Overview, Recent Biotechnology Innovations Overview. These are the concepts CBSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Recent Innovations in Biotechnology — CBSE Class 12 Biotechnology?
Understand the core concepts first, then work through the 124 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 13 chapters — CBSE Class 12 Biotechnology Revision Notes

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