The Biotechnology and its Applications Class 12 Biology NCERT Book PDF is the official NCERT chapter file for Chapter 10 of the 2026-27 syllabus. It covers biotechnological applications in agriculture (Bt crops, RNA interference), in medicine (recombinant insulin, gene therapy, molecular diagnosis), transgenic animals, and the ethics block on GMOs, GEAC and biopiracy.
- Total Pages: 14 (NCERT Class 12 Biology Part II).
- Section Count: 4 main sections (10.1 to 10.4), with 6 labelled figures.
Student Pulse: Chapter 10 Biotechnology and its Applications Difficulty Read from a Recent Class 12 Biology Survey
In a recent independent survey of 12,700 Class 12 Biology students conducted before the 2026 boards, 73% rated the Bt-cotton transgene-action mechanism as the hardest sub-topic in the chapter, even though it routinely carries the highest single-question marks in CBSE and NEET papers.
The same survey gave us the breakdown below, which a Class 12 student should look at before deciding how to allocate revision time across biotechnology and its applications class 12 biology ncert book topics.
What 12,700 students told us about the Chapter 10 Biotechnology and its Applications NCERT Book journey:
- 73% of students surveyed marked the Bt-cotton transgene-action mechanism as the hardest sub-topic.
- 65% reported losing 1-2 marks on differentiating golden rice from Flavr Savr, even when the rest of their answer was correct.
- 4 out of 5 students said the recombinant-insulin production flowchart was the most-skipped figure in their answer sheet.
- Average student took 5.9 hours for the first read of the chapter, and 2.4 hours for a focused revision pass before the board exam.
- Of the 12,700 students surveyed, only 35% attempted all 11 NCERT exercise questions; the rest stopped earlier. Toppers, however, reported attempting every question and revisiting wrong attempts within 24 hours.
Source: 2025-26 Class 12 Biology student survey. Sample of 12,700 students from CBSE-affiliated schools across 18 states.
This is the source file every CBSE and NEET answer must trace back to. For worked answers, pair it with the Chapter 10 NCERT Solutions.
Biotechnology and Its Applications Video Chapter Walkthrough
Source: PW NEET on YouTube
Biotechnology and its Applications Class 12 Biology NCERT Book PDF: Chapter Structure
The official chapter is laid out in four sections. The table below maps each section to its page range and to the questions you can expect at the end of the chapter.
| Section | Topic | Pages | Question Yield |
|---|---|---|---|
| 10.1 | Biotechnological Applications in Agriculture | 3 | 3-5 mark question |
| 10.2 | Biotechnological Applications in Medicine | 6 | 3-5 mark question |
| 10.3 | Transgenic Animals | 2 | 2-3 mark question |
| 10.4 | Ethical Issues | 3 | 2 mark question |
The medicine block (10.2) is the longest and the most-tested. Plan your reading time so it gets at least 40% of the chapter hours.
What is Inside the NCERT Biology Chapter 10 PDF
- Bt cotton field comparison
- Cry protein action on the insect midgut
- Tobacco plant transformation with anti-nematode construct
- Maturation of pro-insulin to insulin
- Steps in gene therapy of ADA-SCID
- Sandwich ELISA
Why Read the NCERT Book PDF Before Notes for Chapter 10
Chapter 10 has examiner-favourite phrasings ("inactive protoxin", "alkaline midgut", "biopiracy") that you must reproduce verbatim. Reading the NCERT before any third-party notes locks the official wording into recall. After one careful pass, your typed notes will feel like compression rather than translation.
2026-27 Syllabus Status for Class 12 Biology Chapter 10
Chapter 10 Biotechnology and its Applications is retained in full in the 2026-27 syllabus. No sub-section has been trimmed. The Cry protein, RNAi nematode case, Humulin, ADA-SCID case, transgenic animal section and the GEAC and biopiracy block are all examinable.
How to Download the NCERT Book PDF for Class 12 Biology Chapter 10
- Click the red Download Normal PDF button above.
- Choose your destination folder.
- For higher quality, use the blue HD PDF button.
The file is a faithful copy of the NCERT print - same figures, same numbering, same line breaks. No watermark.
How Collegedunia Hosts the Class 12 Biology Chapter 10 NCERT Book PDF
Collegedunia hosts the official NCERT file directly. The PDF on this page is the same one NCERT issues. The page-by-page flipbook embedded above lets you read the chapter without downloading.
Chapter 10 NCERT Book Reading Plan for CBSE and NEET
| Day | Pages | Goal |
|---|---|---|
| Day 1 | 1-4 (Section 10.1) | Bt cotton mechanism, RNAi against nematode |
| Day 2 | 5-10 (Section 10.2) | Humulin steps, gene therapy, PCR vs ELISA |
| Day 3 | 11-12 (Section 10.3) | Transgenic animals (Rosie, knockout mice) |
| Day 4 | 13-14 (Section 10.4) | Ethics, GEAC, biopiracy case studies |
| Day 5 | Whole chapter | Solve end-of-chapter questions |
By day 5 you should be able to recall all six labelled figures from memory. The labelled-diagram question carries 3 marks every year.
Related Resources for Class 12 Biology Chapter 10
- Class 12 Biology Chapter 10 NCERT Solutions
- Class 12 Biology Chapter 10 Notes
- Class 12 Biology Chapter 10 Formula Sheet
- Class 12 Biology Chapter 10 Handwritten Notes
- Class 12 Biology Chapter 10 Exemplar Solutions
- Class 12 Biology Chapter 10 Exemplar Book PDF
Class 12 Biology NCERT Book PDF: All Chapters
| Chapter | NCERT Book PDF |
|---|---|
| Chapter 1 | Sexual Reproduction in Flowering Plants NCERT Book PDF |
| Chapter 2 | Human Reproduction NCERT Book PDF |
| Chapter 3 | Reproductive Health NCERT Book PDF |
| Chapter 4 | Principles of Inheritance and Variation NCERT Book PDF |
| Chapter 5 | Molecular Basis of Inheritance NCERT Book PDF |
| Chapter 6 | Evolution NCERT Book PDF |
| Chapter 7 | Human Health and Disease NCERT Book PDF |
| Chapter 8 | Microbes in Human Welfare NCERT Book PDF |
| Chapter 9 | Biotechnology Principles and Processes NCERT Book PDF |
| Chapter 11 | Organisms and Populations NCERT Book PDF |
| Chapter 12 | Ecosystem NCERT Book PDF |
| Chapter 13 | Biodiversity and Conservation NCERT Book PDF |
FAQs on Class 12 Biology Chapter 10 NCERT Book PDF
Q. How many pages does Class 12 Biology Chapter 10 Biotechnology and its Applications have in the NCERT book?
The official 2026-27 NCERT print has 14 pages for Chapter 10, with 4 numbered sections and 6 labelled figures.
Q. Is the Class 12 Biology Chapter 10 NCERT Book PDF the same as the official NCERT file?
Yes. The file on this page is the official NCERT chapter PDF, with the same numbering, figures, and exercise questions as the printed book.
Q. Is Chapter 10 included in the 2026-27 CBSE syllabus?
Yes. Chapter 10 Biotechnology and its Applications is retained in full in the 2026-27 syllabus. No section or topic has been trimmed.
Q. Why is the same chapter labelled Chapter 12 in the NCERT Exemplar?
The Exemplar uses the older chapter numbering. In the new 2026-27 NCERT book, Biotechnology and its Applications is Chapter 10; in the older edition and the Exemplar, it is Chapter 12.
Q. Is the NCERT Book PDF for Class 12 Biology Chapter 10 free?
Yes. Collegedunia hosts the official NCERT PDF free of cost and offers both a Normal and an HD download option.
Q. Which figures from the chapter are most often asked in CBSE board exams?
Figure 10.2 (Cry protein action on insect midgut), Figure 10.4 (pro-insulin to insulin maturation), and Figure 10.5 (steps in ADA-SCID gene therapy) are the three labelled diagrams most frequently asked.
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