NEET 2027 · built from 1,875 past questions

A NEET Biology study plan chapter by chapter

Biology carries 50% of expected NEET marks; across 32 chapters, Structural Organisation in Animals returns the most marks per study hour (0.63). 19 Biology chapters were asked in every paper from 2017 to 2026, and its 30 must-know topics produced 55% of its questions. In a 40-week plan with Biology rated weak, Biology gets 456 hours of the 971 hours scheduled.

Planned hours: 971; over 40 weeks at 4 h weekdays, 7 h weekends
Marks covered: 100%; of expected marks; 100% in full
Tests and mocks: 22 + 15; subject tests, then full mocks with reviews
Must-know core: 30 topics; 55% of these chapters' questions

The planner below starts from: Class 12, 40 weeks to the exam, 4 hours on weekdays and 7 at weekends, Biology rated weak and the other two okay, Class 11 chapters taught in school. The exam date is 40 weeks from today until you set yours; the NEET 2027 date has not been announced. Change anything and the whole plan rebuilds.

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From past papers

Where Biology marks come from

Computed from every question in the NEET papers from 2017 to 2026, at this page's starting settings.

Chapters to do first

Marks per study hour

1Structural Organisation in Animals12 marks · 12 h0.63
2Plant Growth and Development10 marks · 11 h0.59
3Cell: The Unit of Life17 marks · 18 h0.57
4Biological Classification10 marks · 11 h0.57
5Biomolecules14 marks · 16 h0.56
6Locomotion and Movement8 marks · 9 h0.54
7Biodiversity and Conservation9 marks · 10 h0.52
8Organisms and Populations14 marks · 16 h0.52
9Body Fluids and Circulation8 marks · 10 h0.50
10Biotechnology: Principles and Processes20 marks · 24 h0.50

Marks per hour = marks gained by preparing the chapter fully, divided by the hours that takes at this page's settings. Expected marks are expected questions next paper × 4.

Hours by subject

971 h planned

Physics22% of hours · 25% of marks
Chemistry21% of hours · 25% of marks
Biology (this page)47% of hours · 50% of marks

Study hours
Expected marks

Physics: 218 h
Chemistry: 202 h
Biology: 456 h

Subject	Chapters	Marks	Full prep
Physics	27	179	214 h
Chemistry	21	180	199 h
Biology	32	360	449 h

How the planned hours split

436 h learn · 440 h revise · 95 h tests

Marks are expected marks next paper; full prep is the hours to prepare every chapter fully at these settings. Planned hours in the plan above, all phases. A further 95 h of full mocks, their reviews and the must-know sweep cover every subject.

Asked in every paper, 2017 to 2026

19 Biology chapters

The core asked every year: these chapters had at least one question in each of the 10 papers, most marks first. Across Biology chapters, 30 of 93 topics were asked in 8 or more papers and again in 2025 or 2026; they produced 55% of the questions. The plan teaches them first and never cuts them.

Every Biology chapter, topic and repeated idea: NEET Biology past papers.

The plan, phase by phase

Phases of the plan

Generated by the planner's engine for the starting settings above. Planned hours leave out the 10% daily buffer and any spare time.

Learn and practise
Revise
Tests and mocks

Phases of the plan
Phase	Weeks	Planned hours	Split	Full mocks
Foundation	Weeks1–7	Planned hours206 h	Split140 h learn · 59 h revise · 7.0 h tests	Full mocks0
Build	Weeks7–23	Planned hours477 h	Split296 h learn · 165 h revise · 15 h tests	Full mocks0
Revise	Weeks23–32	Planned hours104 h	Split90 h revise · 15 h tests	Full mocks3
Mock	Weeks32–40	Planned hours184 h	Split126 h revise · 58 h tests	Full mocks12

Month by month

All 40 weeks, month by month

Which chapters start in each stretch, how the hours split, and when the tests and mocks fall. A month here is four weeks. Chapter names link to their past-paper analysis.

Month by month, four weeks each
Month	Planned hours	Learn · revise · tests	Chapters started	Tests · mocks
Month 1Weeks 1–4	Planned hours121 h	Learn · revise · tests87 h learn · 30 h revise · 4.0 h tests	Chapters startedUnits and Measurements, Some Basic Concepts of Chemistry, Plant Kingdom, Animal Kingdom, Motion in a Straight Line and 17 more	Tests · mocks4 · 0
Month 2Weeks 5–8	Planned hours121 h	Learn · revise · tests75 h learn · 42 h revise · 4.0 h tests	Chapters startedPhotosynthesis in Higher Plants, Organic Chemistry - Some Basic Principles and Techniques, Solutions, Respiration in Plants, Electrostatic Potential and Capacitance and 13 more	Tests · mocks4 · 0
Month 3Weeks 9–12	Planned hours122 h	Learn · revise · tests76 h learn · 42 h revise · 4.0 h tests	Chapters startedCoordination Compounds, Dual Nature of Radiation and Matter, Principles of Inheritance and Variation, Atoms, Haloalkanes and Haloarenes and 8 more	Tests · mocks4 · 0
Month 4Weeks 13–16	Planned hours122 h	Learn · revise · tests76 h learn · 42 h revise · 4.0 h tests	Chapters startedBiotechnology: Principles and Processes, Mechanical Properties of Solids, Biomolecules, Mechanical Properties of Fluids, Organisms and Populations and 9 more	Tests · mocks4 · 0
Month 5Weeks 17–20	Planned hours120 h	Learn · revise · tests74 h learn · 42 h revise · 4.0 h tests	Chapters startedMagnetism and Matter, Ray Optics and Optical Instruments, Electrochemistry, Structural Organisation in Animals, Alcohols, Phenols and Ethers and 4 more	Tests · mocks4 · 0
Month 6Weeks 21–24	Planned hours119 h	Learn · revise · tests47 h learn · 70 h revise · 2.0 h tests	Chapters startedReproductive Health, Evolution, Biotechnology and its Applications, Biodiversity and Conservation	Tests · mocks2 · 0
Month 7Weeks 25–28	Planned hours49 h	Learn · revise · tests44 h revise · 4.8 h tests	Chapters startedRevision and tests	Tests · mocks0 · 1
Month 8Weeks 29–32	Planned hours16 h	Learn · revise · tests2.6 h revise · 13 h tests	Chapters startedRevision and tests	Tests · mocks0 · 3
Month 9Weeks 33–36	Planned hours73 h	Learn · revise · tests54 h revise · 19 h tests	Chapters startedRevision and tests	Tests · mocks0 · 4
Month 10Weeks 37–40	Planned hours107 h	Learn · revise · tests72 h revise · 35 h tests	Chapters startedRevision and tests	Tests · mocks0 · 7

FAQ

About the biology plan

Which Biology chapters carry the most marks per hour?

At these settings: Structural Organisation in Animals, Plant Growth and Development, Cell: The Unit of Life.

Which Biology chapters are asked every year?

19 were asked in every paper from 2017 to 2026: Molecular Basis of Inheritance, Biotechnology: Principles and Processes, Cell: The Unit of Life, Principles of Inheritance and Variation, Human Reproduction, Human Health and Disease and more.

How many hours does Biology need?

Preparing all 32 Biology chapters fully at this page's settings takes about 450 hours of chapter work. In the 40-week plan, with revision passes, tests and the final pass, Biology gets 456 hours.

Where do the numbers come from?

From all 1,875 questions in the NEET papers from 2017 to 2026, each mapped to its chapter, topic and idea. A chapter is worth its expected questions next paper times 4 marks, with recent years weighted more. Hours come from how hard its questions were and how much else builds on it.

Is the NEET 2027 exam date in this plan?

No. The NEET 2027 date has not been announced. This page assumes 40 weeks to the exam; set your own date in the planner and the whole plan is rebuilt around it.

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