NEET UG 2025: Biology High-Weightage Chapters You Can't Miss
NEW DELHI: Aspiring medical students preparing for NEET UG 2025 must focus on high-weightage Biology chapters to maximize their scores. Topics such as Genetics and Evolution, Human Physiology, and Ecology consistently form a significant portion of the exam. With intense competition, a strategic emphasis on these crucial subjects can significantly enhance the chances of securing a top rank.
Most Important Biology Topics for NEET 2025
Biology plays a decisive role in determining a candidate’s overall NEET score. To improve performance, aspirants should prioritize chapters with higher weight.
Class 11 (Botany & Zoology)
- Diversity of the Living World
- Structural Organization in Animals and Plants
- Cell Structure and Function
- Plant Physiology
- Human Physiology
Class 12 (Botany & Zoology)
- Reproduction in Organisms
- Genetics and Evolution
- Biology and Human Welfare
- Biotechnology and Its Applications
- Ecology and Environment
NEET Biology High-Weightage Chapters 2025
The NEET exam carries a total score of 720, with Biology contributing 360 marks—accounting for half of the total score. The section consists of 90 questions, evenly divided into 45 questions for Botany and 45 for Zoology.
Botany: Chapter-Wise Weightage
| Biology Chapters & Topics | Average Number of Questions | Weightage (%) |
|---|---|---|
| Genetics and Evolution | 15 | 25% |
| Ecology and Environment | 10 | 16% |
| Plant Physiology | 8 | 14% |
| Plant Diversity | 7 | 12% |
| Cell Structure & Function | 6 | 10% |
| Plant Reproduction | 5 | 9% |
| Morphology of Flowering Plants | 4 | 7% |
| Plant Anatomy | 2 | 4% |
| Biomolecules | 2 | 3% |
| Total | 100% |
Zoology: Chapter-Wise Weightage
| Biology Chapters & Topics | Average Number of Questions | Weightage (%) |
|---|---|---|
| Human Physiology | 13 | 45% |
| Human Reproduction & Reproductive Health | 5 | 16% |
| Animal Kingdom | 3 | 10% |
| Origin & Evolution | 3 | 10% |
| Human Health & Diseases | 3 | 9% |
| Structural Organization in Animals | 2 | 5% |
| Animal Husbandry | 1 | 3% |
| Biology and Human Welfare | 1 | 2% |
| Total | 100% |
Effective Study Strategies for NEET 2025
To maximize Biology scores, aspirants should adopt a structured study approach:
- Master NCERT Books – Nearly 90% of NEET questions are based on NCERT content.
- Analyze Past Papers – Identify question trends and chapter-wise weightage.
- Take Mock Tests – Enhance speed, accuracy, and confidence.
- Strengthen Weak Areas – Revise and practice consistently.
- Follow a Study Schedule – Ensure a balanced approach across all subjects.
By prioritizing high-weightage topics and implementing effective study techniques, aspirants can significantly boost their NEET UG 2025 performance.
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