NEET Biology is essentially an indispensable section as it is one of the most scoring subjects if the students plan their preparations wisely. The questions from biology are so comprehensive that a well-prepared student clears this section of NEET almost effortlessly.
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NEET Biology section plays an important role in determining the success of students in NEET exam, however, this doesn’t mean that the students neglect the other two subjects. To grab a seat in a top medical or dental college, students are advised to polish their skills in Biology as well as Physics and Chemistry. The difficulty level of Biology has increased over recent years. As per the overall analysis of NEET 2019, it was deemed that the exam fared average on the difficulty meter where amongst all other sections, Biology was considered to be the easiest, followed by Chemistry and then Physics which was the toughest and challenging section demanding time. The biology section of NEET 2021 fared between easy to moderate.
When it comes to NEET Biology, the botany section was comparatively challenging. Most of the questions in botany were based on NCERT. Zoology, on the other hand, fared moderately on the difficulty meter. Most numbers of questions appeared from Human Physiology unit.
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Given below are some of the important key points about the two crucial parts of Biology, namely, Zoology and Botany.
Important Notes of Biology For NEET 2023
NEET 2021 Question Paper Analysis – Biology
| Chapter | No. of Questions |
| The Living World | 1 |
| Biological Classification | 1 |
| Plant Kingdom | 5 |
| Animal Kingdom | 4 |
| Morphology of Flowering Plants | 2 |
| Anatomy of Flowering Plants | 3 |
| Structural Organisation in Animals | 3 |
| Cell: The Unit of Life | 2 |
| Biomolecules | 3 |
| Cell Cycle and Cell Division | 7 |
| Transport in Plants | 1 |
| Photosynthesis in Higher Plants | 4 |
| Respiration in Plants | 1 |
| Plant Growth and Development | 3 |
| Digestion and Absorption | 2 |
| Breathing and Exchange of Gases | 3 |
| Body Fluids and Circulation | 3 |
| Locomotion and Movement | 4 |
| Sexual Reproduction in Flowering plants | 3 |
| Human Reproduction | 3 |
| Reproductive Health | 3 |
| Principles of Inheritance and Variation | 2 |
| Molecular Basis of Inheritance | 10 |
| Evolution | 1 |
| Human Health and Disease | 3 |
| Strategies for Enhancement in Food Production | 3 |
| Microbes in Human Welfare | 1 |
| Biotechnology: Principles and Processes | 6 |
| Biotechnology and its Applications | 5 |
| Organisms and Populations | 4 |
| Ecosystem | 3 |
| Environmental Issues | 1 |
NEET Biology – Weightage of various topics is as follows:
| Class XI | ||
| Unit | Chapters | Weightage (approximate) |
| I | Diversity of Living Organisms | 12% |
| II | Structural Organisation in Plants & Animals | 9% |
| III | Cell: Structure and Function | 8% |
| IV | Plant Physiology | 8% |
| V | Human Physiology | 16% |
| Class XII | ||
| Unit | Chapters | Weightage |
| VI | Reproduction | 11% |
| VII | Genetics and Evolution | 13% |
| VIII | Biology and Human Welfare | 9% |
| IX | Biotechnology and its Applications | 4% |
| X | Ecology and Environment | 10% |
Zoology Section
Zoology is all about the interaction of animals with the ecosystem. It is the most interesting stream of Biology and deals with the study of the Animal Kingdom and their structures, evolution, embryology, habits, classification, and distribution of both living and extinct animals. Students are advised to focus more on topics like Reproduction and Human Physiology while preparing for the exam. Given below is a list of topics, important from the examination point of view:
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NEET Biology Important Topics – Zoology |
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| Animal Diversity | Animal Husbandry | Human Health and Diseases |
| Evolution | Animal Tissue | Cockroach |
| Human Physiology | Human Reproduction | |
NEET 2020 Analysis: Zoology section
| Class | Chapter name | Level of Difficulty | ||
| Easy | Average | Challenging | ||
| Class 11 | Human Physiology | 1 | 7 | 4 |
| Biomolecules | 3 | 2 | 1 | |
| Animal Kingdom | 2 | 2 | 1 | |
| Structural organization of animals | 1 | 0 | 1 | |
| Class 12 | Animal husbandry and Biotechnology | 3 | 4 | 3 |
| Human Reproduction and reproductive health | 0 | 2 | 2 | |
| Evolutions theories and evidences | 3 | 0 | 1 | |
| Human Health and diseases | 0 | 3 | 1 | |
| Total Questions | 47 | |||
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Botany Section
Botany (also known as Phytology) is the Science of Plant Life. It also includes the Study of Fungi and Algae. Modern Botany deals with plant structure, differentiation, growth, biochemistry, reproduction, primary metabolism, disease and plant taxonomy. Students are advised to focus more on topics carrying high weightage like Genetics, Biotechnology, and Ecology while preparing for the exam. In the NEET exam, there are typically 45 questions from Botany.
NEET 2020 Analysis: Botany section
| Class | Chapter name | Level of Difficulty | ||
| Easy | Average | Challenging | ||
| Class 11 | Plant Physiology | 3 | 2 | 4 |
| Cell and cell cycle | 1 | 1 | 4 | |
| Structural organization of plants | 3 | 0 | 2 | |
| Diversity of Life | 1 | 3 | 1 | |
| Class 12 | Genetics | 2 | 1 | 4 |
| Ecology | 2 | 2 | 3 | |
| Biology in Human welfare | 0 | 1 | 1 | |
| Reproduction and sexual reproduction | 1 | 1 | 0 | |
| Total Questions | 43 | |||
Books play a vital role during the exam preparations. The table given below depicts a list of recommended books for NEET Biology apart from NCERT textbook.
|
NEET Biology Books |
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| S. Chand’s Biology | Trueman’s Elementary Biology |
| Modern’s ABC Biology | Pradeep’s A Text Book of Biology |
| Together with Biology | Truman’s Objective Biology |
Stay tuned with BYJU’S to know more about each and every topic included in NEET syllabus 2023, preparation tips, previous years question papers, NEET Biology questions, sample papers, study materials, and more.
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Frequently Asked Questions on NEET Biology 2023
Which book is best for NEET biology?
Is NCERT enough for NEET biology 2023?
How many chapters in biology for NEET?
How many questions in NEET biology are from NCERT?
I read about human body,plants,insects,animals