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1,50,000+ studentsInstant download after paymentBy Umesh Bhaiya, Vaishali Didi and team
1,50,000+ studentsInstant download after paymentBy Umesh Bhaiya, Vaishali Didi and team
1,50,000+ studentsInstant download after paymentBy Umesh Bhaiya, Vaishali Didi and team
1,50,000+ studentsInstant download after paymentBy Umesh Bhaiya, Vaishali Didi and team
2026-27 EditionLatest syllabus

The Best Class 12 Biology Handwritten Notes

Full colour · 13 chapters

★★★★★ 4.61 · 683 reviews ✔ 1,50,000+ students 77.2K subscribers
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  • Revise a chapter in 15 Minutes
  • Made by District Topper, NITian & IITian
  • 13 key-point pages & 5 mind maps
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What Class 12 students say★ 4.6 · 20,239 reviews
★★★★★
Yes , these books is very good and helpfulfor me in any exam. I request to NCERTKaksha plese make short tricks formulas or Notes for MHT CET
Abhinay M.✔ Verified buyer of Class 12 Physics + Chemistry + Maths + Biology Notes
★★★★★
Excellent note for best preparation for board exam and it's also helpful for revision before exam
Vikash S.Review of Class 12 Physics + Chemistry + Biology Notes
★★★★★
The Formula notes are very precise which is quite helpful for a last minute formulas revision.
StudentReview of Class 12 Physics + Chemistry + Maths + Biology Notes
★★★★★
Very nice help to understand much easy way such a nice book
Nausheen Q.Review of Class 12 Biology Notes
★★★★★
Great and precise presentation of the notes.
StudentReview of Class 12 Physics + Chemistry + Biology Notes
★★★★★
It's amazing very good. Keep up the good work
IkramReview of Class 12 Physics + Chemistry + Biology Notes

Why Choose Our Formula Sheet / Short Notes?

Overcome these challenges and boost your marks

  • Vast SyllabusStruggling to cover and revise key formulas.
  • Time PressureDifficulty balancing school and Self Preparation.
  • Exam StressRisk of forgetting crucial formulas under pressure.
  • Resource GapsLack of concise & organized study materials.
These notes fix exactly that
  • Expertly DesignedCreated by toppers, IITian, NITian, NEET rankers.
  • Visual LearningColor-coded with diagrams for enhanced retention.
  • ConciseRevise a chapter in 15 Minutes.
  • Exam FocusedAlso included the formulas which are asked in Board Exams & popular competitive exams.

This Formula Sheet / Short Notes help you to score more in your Board Exams.

Why 1,50,000+ students use these notes

Revise Class 12 Biology Faster

Short notes on all 13 chapters, with an Extra Important Points page for each chapter and a mind map for each of the 5 units.

13Chapters in 5 units
13Extra Important Points pages
5Unit mind maps
4Quick revision tables
See before you buy

Open the book. These are the real pages.

Straight from the book, nothing redrawn. Tap any page to zoom.

The index lists the 13 chapters in 5 units with page numbers and marks (70 in all), and page 1 opens Sexual Reproduction in Flowering Plants with the parts of a flower.

Cut straight from the book

The boxes students revise first

Built into the chapters. Tap a box to zoom.

Extra Important Points13 in the book

A typed page of extra facts, tables and details for each chapter.

Unit Mind Map5 in the book

A page at the end of each unit that links its chapters together.

At a Glance table3 in the book

Short tables of diseases, rDNA tools and biotech applications.

Quick Revision2 in the book

A table for last-minute recall, such as ploidy of plant structures.

1 of 4

What's inside

All 13 chapters, and what each one covers

Tap a chapter to see its topics.

1. Sexual Reproduction in Flowering PlantsReproduction

Stamen, Pistil, Structure of Pollen Grain, Megasporogenesis, Pollination, Chasmogamy and Cleistogamy, Artificial Hybridisation, Structure of Embryo, Endosperm Seeds and Fruits, Parthenocarpy.

2. Human ReproductionReproduction

Female Reproductive System, Mammary Glands, Spermatogenesis, Oogenesis, Menstrual Cycle, Stages of Ovarian Follicle, Hormones of Pregnancy and Parturition, Foetal Development Timeline, Parturition and Lactation.

3. Reproductive HealthReproduction

Condom, Vasectomy and Tubectomy, Intra Uterine Devices, Medical Termination of Pregnancy, Amniocentesis, Infertility, In vitro Fertilisation, ZIFT and GIFT, Sexually Transmitted Diseases.

4. Principles of Inheritance and VariationGenetics and Evolution

Mendel's Experiments, Test Cross, Incomplete Dominance, Co-dominance and Multiple Alleles, Dihybrid Cross and Polygenic Inheritance, Linkage and Recombination, Sex Determination, Sex-linked and Mendelian Disorders, Chromosomal Disorders.

5. Molecular Basis of InheritanceGenetics and Evolution

DNA Double Helix, Packaging of DNA, Hershey-Chase Experiment, DNA vs RNA, DNA Replication, Transcription, Types of RNA, Genetic Code, Translation, Human Genome Project.

6. EvolutionGenetics and Evolution

Origin of Life Experiment, Evidences of Evolution, Theories of Evolution, Adaptive Radiation, Evolution of Plants, Stages of Human Evolution, Hardy-Weinberg Principle.

7. Human Health and DiseaseHuman Welfare

Health, Common Diseases, Innate Immunity, Acquired Immunity and Antibodies, Allergies, Autoimmune Diseases, AIDS, Cancer, Drugs and Alcohol, Vaccination.

8. Microbes in Human WelfareHuman Welfare

Lipase and Enzymes from Microbes, Fermented Foods, Antibiotics, Sewage Treatment, Biogas, Biocontrol Agents, Biofertilisers, Cyclosporin.

9. Biotechnology: Principles and ProcessesBiotechnology

Restriction Enzymes, Gel Electrophoresis and Blue-White Selection, Cloning Vectors, Polymerase Chain Reaction, Tools of rDNA Technology, Processes of rDNA Technology, Bioreactors.

10. Biotechnology and its ApplicationsBiotechnology

Bt Cotton, Human Insulin, Gene Therapy, Transgenic Animals, Chemical Safety Testing, RNA Interference, Biopiracy, Golden Rice.

11. Organisms and PopulationsEcology

Population Attributes, Emigration and Immigration, Logistic Growth, Intrinsic Rate of Natural Increase, Life History Traits, Predation, Competition, Population Interactions Examples.

12. EcosystemEcology

Ecosystem Structure and Function, Productivity, Food Web, Pyramid of Numbers, Pyramid of Biomass, Steps of Decomposition, Energy Flow and Pyramids.

13. Biodiversity and ConservationEcology

Biodiversity, How Many Species, Importance of Species Diversity, Species-Area Relationships, Loss of Biodiversity, The Evil Quartet, Why Conserve, In situ Conservation.

ColourFull colour
Chapters13
MediumEnglish
Edition2026-27
Try it now

Test yourself with lines from the book

Six quick questions, taken straight from the book.

1 of 6 · Quick questionThe sex of a baby is decided by the
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Meet your teachers

The team behind these notes

Umesh Saini and Vaishali, teachers at NCERT Kaksha
Umesh Saini & Vaishali Teachers, NCERT Kaksha

We teach Class 9 to 12 students on our YouTube channel. These notes are written by IITians, NITians and NEET toppers.

Academic records
  • Topper, Class 10
  • Topper, Class 12
  • NITian, cracked JEE Mains
  • IIT JAM AIR 621
  • Graduation topper, BSc PCM
  • District topper
77.2K YouTube subscribers
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Loved: fast revision, follows NCERT/CBSE, easy to read. The 88 students who mention "helpful" or "revision" rate it 4.5★ on average.

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