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NEET Biology has 90 questions worth 360 marks. Top weightage chapters: Human Physiology (20%, 18 Qs), Genetics & Evolution (18%, 16 Qs), Plant Physiology (12%, 11 Qs), Cell Biology (10%, 9 Qs), Ecology (10%, 9 Qs). Class 11 contributes 40% and Class 12 contributes 60% of questions.
Based on analysis of last 10 years NEET papers
| Chapter | Class | Weightage | Questions | Marks | Priority |
|---|---|---|---|---|---|
| Human Physiology | 12 | 20% | 18 | 72 | Highest |
| Genetics & Evolution | 12 | 18% | 16 | 64 | Highest |
| Plant Physiology | 11 | 12% | 11 | 44 | High |
| Cell Biology & Cell Division | 11 | 10% | 9 | 36 | High |
| Ecology & Environment | 12 | 10% | 9 | 36 | High |
| Reproduction | 12 | 9% | 8 | 32 | High |
| Biotechnology | 12 | 8% | 7 | 28 | Medium |
| Plant & Animal Diversity | 11 | 7% | 6 | 24 | Medium |
| Structural Organisation | 11 | 4% | 4 | 16 | Low |
| Biomolecules | 11 | 2% | 2 | 8 | Low |
| Total | - | 100% | 90 | 360 | - |
40%
36 Questions
144 Marks
60%
54 Questions
216 Marks
These 10 topics alone can fetch you 100+ marks
Human Physiology
Human Physiology
Human Physiology
Genetics
Genetics
Plant Physiology
Plant Physiology
Ecology
Ecology
Reproduction
Class 11 basics + Human Physiology
Chapters: Cell Biology, Plant Anatomy, Digestion, Respiration
Genetics + Plant Physiology
Chapters: Inheritance, DNA/RNA, Photosynthesis, Mineral Nutrition
Ecology + Reproduction
Chapters: Ecosystem, Biodiversity, Human & Plant Reproduction
Revision + Mock Tests
Chapters: All high-weightage chapters + Previous Year Questions
At Cerebrum Biology Academy, we don't just teach - we ensure you master every high-weightage chapter with:
Human Physiology (20%), Genetics & Evolution (18%), and Plant Physiology (12%) together contribute 50% of NEET Biology marks. Focus maximum time on these three areas.
Class 12 Biology is more important with 60% weightage (54 questions). However, Class 11 forms the foundation. Don't skip Class 11 - topics like Cell Biology and Plant Diversity are frequently asked.
About 95% of NEET Biology questions are directly from NCERT or based on NCERT concepts. Read NCERT line-by-line at least 5-7 times. Every diagram, example, and footnote is important.
Strategy: 1) Master NCERT thoroughly, 2) Focus on high-weightage chapters first (Human Physiology, Genetics), 3) Practice 50+ MCQs daily, 4) Solve last 10 years PYQs chapter-wise, 5) Take weekly mock tests.
AIIMS faculty. Chapter-wise mastery. 98% success rate.