You are currently viewing Biology Revision Notes for NEET PDF: Class 11 and 12 – Download PDF Free

Biology Revision Notes for NEET PDF: Class 11 and 12 – Download PDF Free

NEET Biology is a high-scoring section out of 3 if a student handles it carefully! This is a unique trick that can lead to success in the NEET 2021 exam. The questions asked in the test are so easy that they do not make aspirants dissatisfied with their preparation.

NEET 2021 Answer Key

Framed notes show our efforts to bring the best to the table for those who want to get NEET, thus saving hours of surfing and providing a smooth, seamless learning opportunity. Applicants are expected to prepare notes for all NEET phases – Physics, Chemistry, Botany, and Zoology. Read on to get a full understanding of how to prepare for biology section of NEET  for all NEET categories at this powerful time covering all the important points.

Biology Revision Notes for NEET PDF

Revision Notes play a very important role when you are preparing for the toughest Exam, where the success rate is too low. Here we will provide you the Best Biology Revision Notes written by the top faculty of Kota. You can Easily Download the Notes by just clicking on the Notes Name. Biology Revision Notes for NEET PDF of Class 11 and Class 12.

Biology Revision Notes of Class 11


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Biology Revision Notes of Class 12


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Biology Notes for NEET

NEET Biology is actually an important section because it is one of the most goal-oriented subjects when students plan their preparations wisely. During the test, questions from biology are so understandable that a well-prepared student will never feel dissatisfied with his or her preparations. NEET Biology plays an important role in determining student achievement in the NEET exam, however, this does not mean that students can focus on two other subjects. To hold a chair at a tertiary medical or dental college, students are advised to hone their skills in Biology. The level of biology difficulty has increased over the years. As a complete analysis of NEET 2019, it was assumed that the test went well in the difficulty meter where among all the other categories, Biology was considered the simplest, followed by Chemistry and then Physics which was the most difficult and challenging section at that time.

Preparation notes of Biology are required for students to prepare for the National Eligibility cum Entrance Examination. A standardized test set is designed for students to be admitted to medical colleges. Students who have studied biology as a subject in the science stream can apply for the exam and begin preparing for the exam. Students can view notes, syllabus, mock tests here and more details can visit the official site

NEET Chapter Wise Weightage for Biology

Biology is one of those sections that must not be taken lightly. Forming 50% of NEET question paper, Biology will help you get enough marks to qualify the examination.

Every chapter in this section is important, however, candidates need distribute their time effectively amongst various chapters. One can refer to the table below for the chapter-wise weightage of NEET Biology and plan their study accordingly.

NEET Chapter Wise Weightage 2021 for Biology:

Biology Chapters and topicsAverage no. of Questions from the chapterWeightage of the chapter and topic (In percentage)
Plant Diversity712%
Plant Anatomy24%
Plant Morphology47%
Cell Biology & Cell Division610%
Plant Physiology813%
Plant Reproduction59%
Genetics & Biotechnology1524%
Biology in Human Welfare12%
Total 100%
Animal Diversity310%
Animal Tissue13%
Structural Organization in animals12%
Human Physiology1345%
Human Reproduction & Reproductive Health518%
Origin & Evolution310%
Animal husbandry13%
Human Health & Diseases39%
Total 100%

By looking at the NEET Exam Pattern, students can prioritize topics according to their marking weightage and difficulty level. While many students feel that the division of Animal & Plant Kingdom is difficult, some students find it fun to read. So, here on this page, we have come up with a unique way to help you master the test. To help you deal with all the important details of NEET Biology, we have brought you the key points in the article below. If you go down to the NEET syllabus into simple topics, then you will get over 10,000 ideas. ClearExam’s STUDY platform offers the best of NEET readings to build your knowledge with the help of notes and other resources made by academic experts. If you complete all these concepts correctly, then it will be easier to crack the NEET 2021 exam.
Please, have a look!

Have a Better Understanding of Botany & Zoology

Biology is a broad field to study. Before we take you to the study essentials, we would like you to go through the basic information about the two crucial parts of NEET Biology.



1. Zoology

Zoology or Animal Biology is a very interesting yet complex subject of the NEET Biology Syllabus. The branch responsible for the study of Animal Kingdom includes architecture, embryology, evolution, classification, practices, and the distribution of both animals – living and extinct. Through Zoology, you can learn about how animals interact with the natural system.

Zoology is also about animal interactions with the ecosystem. It is a very interesting stream of Biology and works on the study of the Animal Kingdom and its structures, evolution, embryos, practices, classification, and the distribution of living and extinct animals. Students are advised to focus on topics such as Reproduction and Psychology while preparing for the exam.

Zoology mainly contains 45 questions in the test and among those, most are easy and limited to try. Considering the level of difficulty of animal questions, experts say that in the entrance test, about 35% of the questions have a high level of difficulty and 15% of questions have a simple level. Zoology comprises the important topics like –

  • Animal Diversity
  • Human Physiology
  • Animal Tissue
  • Human Reproduction
  • Cockroach
  • Evolution
  • Animal Husbandry
  • Human Health & Disease

2. Botany

Botany or Plant Biology, also known as Plant Science or Phytology is the crucial part of NEET Biology & Science of Plant Life. A person specialized in the field of plant study is known as Botanist or Plant Scientist. Botany also includes the Study of Fungi & Algae.

Modern Botany deals with plant structure, growth, differentiation, reproduction, biochemistry & primary metabolism development, disease & plant taxonom

Botany mainly consists of 50% questions of average difficulty level; 35% questions are mainly of high difficulty level and 15% questions are of an easy level. On the other hand, topics like Genetics & Biotechnology carry high weightage followed by Ecology in the exam.

Some of the important topics of Botany are given below –

  • Plant Anatomy
  • Plant Morphology
  • Cell Biology & Cell Division
  • Biomolecule
  • Plant Physiology
  • Plant Reproduction
  • Genetics & Biotechnology
  • Biology in Human Welfare
  • Ecology
  • Plant Diversity

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