NEET Biology section carries 50% score of total 180 questions in NEET 2021 exam. The entire Biology section is classified into two subsections and these are Zoology and Botany. Both these subsections carry 50% weightage. Furthermore, NEET 2021 Biology Syllabus by NTA comprises the NCERT prescribed topics.

You can be free from the hassles of technical preparations and rote learning if you just follow the article closely. This article will turn out to be a complete NEET Guide for Biology.

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NEET Biology Syllabus Highlights

Total weightage of NEET 2021 Biology Syllabus 50% of NEET score
Subsection Botany and Zoology
Number of questions asked 90
Marks allotted for each question +4 marks for a correct answer
Negative marking -1 mark for the wrong answer
Total marks for Biology 360 out of 720 marks

NEET 2021 Biology Syllabus of Class 11th and 12th

NEET 2021 Biology syllabus of Class 11th Weightage
Unit I – Diversity in Living World 9%
Unit II- Structural Organisation in Animals and Plants 9%
Unit III- Cell Structure and Function 15%
Unit IV- Plant Physiology 17%
Unit V- Human physiology 28%
NEET 2021 Biology Syllabus Class 12th Weightage
Unit I – Reproduction 14%
Unit II – Genetics and Evolution 7%
Unit III – Biology and Human Welfare 18%
Unit IV – Biotechnology and its Applications 12%
Unit V – Ecology and Environment 19%

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NEET 2021 Biology Syllabus – Chapters

NTA NEET 2021 Biology Syllabus is subdivided into two sections that are Zoology and Botany. 45 questions are asked from each section, which means the NEET Biology section will be asking a total of 90 questions. Remember there are a total of 180 questions to be solved in just 180 minutes. To maximize the score in the NEET Biology section, candidates must give priority to both sub-sections. As per the notice by NTA, NEET 2021 Biology Syllabus is almost similar to that of NEET 2020 Biology Syllabus.

Given below are the chapters from NTA NEET 2021 Biology Syllabus:

Also Check NEET 2021 Physics Syllabus

Detailed NEET Biology Syllabus of Class XI

UNIT I: Diversity in Living World

UNIT II: Structural Organisation in Animals and Plants

UNIT III: Cell Structure and Function

Must Read NEET 2021 Sample Papers

UNIT IV: Plant Physiology

UNIT V: Human Physiology

Also Check NEET 2021 Chemistry Syllabus

Detailed NEET 2021 Biology Syllabus of Class XII

UNIT I: Reproduction

UNIT II: Genetics and Evolution

UNIT III: Biology and Human Welfare

UNIT IV: Biotechnology and Its Applications

UNIT V: Ecology and environment

Read Complete NEET 2021 Syllabus

NEET 2021 Biology Syllabus: Topic-wise Weightage

While students start preparing for the whole syllabus, they forget what requires more attention. A lot of coaching institutes and school teachers focus on topics which are cumulatively important for the board exams but do not reveal their weightage in NEET examination. A chapter which has more than 4% weightage in NEET 2021 Biology Syllabus can be considered important as 4% constitutes about 3 to 4 questions out of 180 or about 14 to 15 marks out of 720. This means that the chances of a question being asked from that particular chapter are much more. Given below is a table which specifies the weightage of all the topics of NEET 2021 Biology Syllabus:NEET 2021 Biology Syllabus: Topic-wise Weightage

Biology Syllabus for NEET Weightage (%)
Human Physiology Biological Classification Molecular Basis of Inheritance 12.0%
Biomolecules 10.0%
Biological Classification 9.0%
Molecular Basis of Inheritance 8.2%
Animal Kingdom 7.0%
Reproduction 6.6%
Ecosystems 5.1%
Human Health and Diseases 4.3%
Biotechnology: Principles and Processes 3.1%
Microbes in Human Welfare 2.7%
Genetics 2.1%
Plant Kingdom 1.8%
Strategies for Enhancement of Food Production 1.4%
Cell Biology 1%
Plant Anatomy 0.7%

Read: Why NCERT books are important for NEET 2021 Preparation?

NEET 2021 Biology Syllabus: Difficulty Analysis

NEET 2021 Biology Syllabus by NTA constitutes 50% of the weightage for NEET overall. Considering the importance of the exam, the high weightage seems reasonable. According to the past analysis of various sessions of NEET, the trend seems to be like this-

Section Easy Questions Moderate Questions Difficult Questions
Botany 21 17 7
Zoology 20 19 6

A good score in NEET Biology is said to be around 200 to 300 marks. If a student has good speed and knowledge here, NEET Biology score can easily reach above 200.

NEET 2021 Preparation Tips for Biology Syllabus

NTA Free Video Lectures for NEET Biology Syllabus (IIT-PAL)

Aspirants who are weak in any particular topic of NEET Biology Syllabus can cover these topics easily by watching video lectures from top subject experts. The video lectures are uploaded under the nemesis of IIT-PAL on Youtube.

The video lectures are available under playlists made for various topics of Class XI and XII with lectures duration ranging from 45 minutes to 1 hour for a single topic. To access these lectures follow the steps below:

  1. Go to the official website of NTA – nta.ac.in
  2. Click on the ‘Students’ tab.
  3. Click on ‘Content Based Lectures’ under Test Practice Center.
  4. Once the new page loads, click on Biology which will direct you to the Youtube Page.
  5. Alternatively, students can also search for IIT-PAL Biology lectures on Youtube on their mobile phone or tablet.

NEET Previous Year Question Papers

If a student is unable to find the right source for NEET Previous Year Question Papers, he/she can always refer to the NTA Website which also provides old question papers of almost every examination.

To download NEET Previous Year Question Papers-

  1. Head over to www.nta.ac.in
  2. Click on the ‘Downloads’ tab
  3. Now, in this new page, look for Previous Year Question Papers
  4. Choose the year and the exam as NEET.
  5. List of available papers will be populated.
  6. Click on Download Link to save the PDF of question papers.

NTA Free Mock Tests for NEET Biology Syllabus

NTA has provided free mock tests for NEET Biology as well as other subjects from NEET. Aspirants can attempt these mocks at the comfort of their homes. A stable internet connection will be required along with a compatible browser such as Google Chrome or Microsoft Edge. The NTA mock tests are available section-wise which helps students focus on a particular topic.

To access NEET mock tests, follow steps below-

  1. Head to – www.nta.ac.in
  2. Click on the ‘Students’ tab
  3. Select Mock Test under Test Practice section.
  4. Now choose the exam you are appearing for and select the section you wish to attempt.
  5. Start the NEET mock test.

Check Complete NEET 2021 Preparation Tips

Best Books For NEET Biology Syllabus

In order to get an edge in your final performance in the exam, you must work with some best books for NEET Biology Syllabus. There are books that must be referred to specific topics and books that can be used as MCQ reference manuals. Reading NEET important topics is helpful as it saves time and prepares you for the important topics.

Just keep one thing in mind, study limited books as too many books can create confusion. Follow books which follow the latest NEET Biology syllabus of the year 2021.

Given below are some of the suggested books for NEET 2021 Biology Syllabus along with their publisher-

Book name Publisher ISBN
Objective NCERT at your Fingertips for NEET-AIIMS – Biology MTG Learning Media (P) Limited 938656193X
Trueman’s Objective Biology for NEET Trueman Book Company 818722374X
NEET-AIPMT Biology 25 Years Chapterwise Solved Papers (1992-2017) By Career Point Kota Career Point Publication B01N9IQI7W
Master the NCERT Biology Arihant Publication 9311123862
NCERT Xtract – Objective Biology for Class 11 & 12, AIPMT, AIIMS, JIPMER, BHU, AMU, State PMTs 2nd Edition Disha Publication 9385576380
Objective Life Science (Plant Science) S. Chand Publishing 9352533674

The better you prepare for NEET, the better is your score and better placement in the college of your choice. It is important to give full commitment to the NEET 2021 Biology syllabus. The time allotted to this section should be merely 70 to 80 minutes, giving equal time to both Zoology and Botany sections independently. Biology requires direct knowledge and lease calculations. The quickest way to complete the NEET Biology section is not spending time thinking about a question. In Biology, facts do not work on logic, hence, you either know the answer or you don’t. There is no way you can ‘solve’ the answer in Biology.

So, open your books and start learning!

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