Zoology is an essential part of the Biology syllabus in NEET 2025. Familiarity with high weightage chapters in Zoology for NEET 2025 is crucial to succeeding in the exam. It helps candidates to customise their exam strategy and strengthen their preparation. The Zoology NEET Chapter wise Weightage PDF involves an average number of topic-wise questions with its weightage. Chapters like the animal kingdom, biomolecules, biotechnology and its application, evolution, etc are asked frequently. Check the NEET Zoology Chapter wise Weightage 2025 and other details on this page.
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High Weightage Chapters in Zoology for NEET 2025
The NEET Biology section carries 90 questions for 360 marks. It includes two sub-sections i.e. Botany and Zoology, each containing around 45 questions approximately. The number of questions varies every year. So, aspirants must check the Zoology NEET Chapter wise weightage 2025 for in-depth knowledge. Prioritising high weightage chapters in Zoology for NEET 2025 can help them handle tricky questions easily. This can significantly improve their performance and help them achieve high scores. We have compiled below the NEET Zoology Chapter wise Weightage 2025 for the guidance of the NEET aspirants.
Important Topics in Zoology for NEET 2025
The NEET Zoology syllabus covers topics like biotechnology and its applications, evolution, human reproduction, health and disease, reproductive health, locomotion and movement, and much more. It is strongly recommended to build solid basics across all the topics. Let’s discuss the NEET important topics for Zoology subject for reference purposes:
NEET Zoology Important Topics
| Topics | Sub-topics |
| Biotechnology and Its Applications | Principles and process of Biotechnology: Genetic engineering (Recombinant DNA technology).Application of Biotechnology in health and agriculture: Human insulin and vaccine production, gene therapy; Genetically modified organisms-Bt crops; Transgenic Animals; Biosafety issues-Biopiracy and patents. |
| Evolution | Origin of life; Biological evolution and evidences for biological evolution from Paleontology, comparative anatomy, embryology and molecular evidence); Darwin’s contribution, Modern Synthetic theory of Evolution; Mechanism of evolutionVariation (Mutation and Recombination) and Natural Selection with examples, types of natural selection; Gene flow and genetic drift; Hardy-Weinberg’s principle; Adaptive Radiation; Human evolution |
| Human Reproduction | Male and female reproductive systems; Microscopic anatomy of testis and ovary; Gametogenesis-spermatogenesis & oogenesis; Menstrual cycle;Fertilisation, embryo development upto blastocyst formation, implantation; Pregnancy and placenta formation (Elementary idea); Parturition (Elementary idea); Lactation (Elementary idea) |
| Health and Disease | Pathogens; parasites causing human diseases (Malaria, Filariasis, Ascariasis. Typhoid, Pneumonia, common cold, amoebiasis, ring worm, dengue, chikungunya); Basic concepts of immunology-vaccines; Cancer, HIV and AIDS; Adolescence, drug and alcohol abuse.Tobacco abuse |
| Reproductive health | Need for reproductive health and prevention of sexually transmitted diseases (STD); Birth control-Need and Methods, Contraception and Medical Termination of Pregnancy (MTP); Amniocentesis; Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for general awareness) |
| Locomotion and Movement | Types of movement- ciliary, fiagellar, muscular; Skeletal muscle- contractile proteins and muscle contraction; Skeletal system and its functions (To be dealt with the relevant practical of Practical syllabus); Joints; Disorders of muscular and skeletal system-Myasthenia gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout |
| Structural Organisation in Animals | Animal tissues; Morphology, anatomy and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect (Frog). (Brief account only) |
High Weightage Chapters in Zoology for NEET 2025
The high weightage chapters in Zoology for NEET 2025 include an average number of questions and weightage of each chapter over the last few years. Innumerable topics cover the Zoology syllabus for NEET 2025. However, there are several chapters with more weightage asked often in the exam. Have a look at the breakdown of NEET Zoology Chapter wise Weightage tabulated below.
NEET Zoology Chapter Wise Weightage 2025
| Chapter | Average Number of Questions | Weightage of Each Chapter |
| Animal Kingdom | 7 | 13% |
| Biotechnology-Principles & Process | 6 | 12% |
| Biomolecules | 5 | 10% |
| Structural Organisation in Animals | 4 | 8% |
| Reproductive Health | 4 | 8% |
| Biotechnology and its application | 4 | 7% |
| Locomotion and Movement | 3 | 6% |
| Evolution | 3 | 6% |
| Human Reproduction | 2 | 6% |
| Human Health and Disease | 2 | 6% |
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How to Cover High Weightage Chapters in Zoology for NEET 2025?
Zoology is an easy and scoring subject in the NEET exam. Thus, aspirants must emphasise the high weightage chapters in Zoology for NEET 2025 to get a competitive edge. Some of the expert-recommended tips and tricks are given below to cover the NEET Zoology Chapter wise Weightage:
- Build a strong foundation across all the topics mentioned in the NEET Zoology Syllabus.
- Analyse NEET’s previous year’s question paper to determine recurring topics and solve them.
- Read NCERTs and other standard books to clear the concepts of zoology topics.
- Prepare short notes and flow charts of key areas to revise all the essential chapters quickly.
- Solve endless questions from mock tests, practice papers, and other reliable resources to build time management and improve accuracy with speed.
High Weightage Chapters in Zoology for NEET 2025 – FAQs
Some of NEET Zoology important topics are the animal kingdom, biomolecules, biotechnology and its application, evolution, reproductive health, locomotion and movement, etc.
The NEET Biology section carries 90 questions. It is divided into two parts i.e. Botany and Zoology, each consisting of roughly 45 questions.
Candidates must learn the fundamentals, analyse the past papers and solve mock tests to cover NEET Zoology chapter wise weightage.