Botany vs Zoology - NEET Biology Chapter-Wise Weightage Trends (2021-2026)

Why Understanding Botany and Zoology Weightage Matters for NEET 2027?

The topics of Botany and Zoology combine to contribute 90 Biology questions and 360 marks to NEET. It becomes easier for students to figure out what is repeating in each chapter through analysis of trends chapter-wise. Nevertheless, weightage should serve as a guide in preparation and not as a predictor of the upcoming paper.

Analysis of the past six years has shown that there can be great variations in the allocation of NEET biology questions from one year to another. For ex, the number of questions allocated for the topic of Cell: The Unit of Life was 8 in the 2026 analysis, whereas the topic of Molecular Basis of Inheritance, an extremely important chapter, had relatively few questions in 2026.

NEET Biology Chapter-Wise Weightage Comparison

By understanding the NEET biology chapter-wise weightage, students can prioritise the chapters and plan their study time accordingly. These units not only help you to save time and increase accuracy but also keep you calm and reduce exam stress.

Botany Chapter-Wise Weightage Analysis

The table below provides an analysis of the Botany section from the last six years:

It can be observed from the table that the molecular basis of inheritance, biotechnology, cell division, sexual reproduction in flowering plants and genetics dominate the high-weightage chapters.

Zoology Chapter-Wise Weightage Analysis (Last 6 Years)

The table below provides an analysis of the Zoology section from the last six years:

It can be observed from the table that the animal kingdom, human health and diseases, human reproduction and structural organisation in animals are the high-weightage chapters and cover almost half of the syllabus of the Zoology section.

Botany vs Zoology in NEET 2027: Most Important High-Weightage Chapters

While NEET Biology carries equal marks for both Botany and Zoology, the high-weightage chapters vary. The table below shows the most important chapters that cover almost 60-65% of the total NEET 2027 Biology syllabus. So whether you are short on time or revising the syllabus, these chapters should be a priority.

Botany

Zoology

Botany vs Zoology: Which Has More Weightage in NEET?

There is no definite division between Botany and Zoology in NEET. There are 90 questions in the Biology paper; however, the number of questions from each chapter of Botany and Zoology differs from year to year. Hence, the candidates must be careful in NEET Biology preparation and not take for granted the number of questions in any section.

In the chapter-wise analysis, we see that Zoology has many chapters that are of high focus, especially Human Reproduction and Human Health and Disease, whereas in Botany, there are crucial chapters in Genetics, Biotechnology, Cell Biology, and Plant Reproduction and Ecology.

How to Use Botany and Zoology Weightage for NEET 2027 Preparation?

Knowing the weightage of chapters from a Botany vs Zoology point of view in the NEET 2027 exam will help only if you utilise it effectively in the preparation phase. Instead of equally prioritising all chapters, give more importance to high-weightage chapters and at the same time keep on revising the rest of the syllabus. It will help you score well in the Biology paper.

Start with High-Weightage Chapters

Complete the chapters which have always been of high weightage in previous years’ NEET exams like Molecular Basis of Inheritance, Biotechnology, Cell: The Unit of Life, Human Health and Disease, Human Reproduction, and Animal Kingdom. By completing these chapters first, you will be able to complete a good deal of the NEET Biology syllabus early.

Study NCERT Carefully

The maximum number of NEET Biology questions are always directly or indirectly related to the NCERT book. Read everything carefully, revise all figures, tables, flow charts, scientific terms, and do not miss out on NCERT examples.

Balancing Botany and Zoology Revision

Do not focus too much on just one topic. Allocate your weekly study schedule for both topics so that both get the same amount of revision. It will help with concept retention and prevent weak areas.

Analyse Mock Tests

Give mock tests of NEET 2027 and analyse all the wrong answers in them. Do the revision of your weak topics right after every test and not at the end of revision.

Smart Revision Strategy

Make concise notes, flashcards, and concept maps for key topics and revise them in the last few weeks of NEET 2027.

NEET 2027 Biology Practice Questions: Botany and Zoology

Test your understanding with these previous year NEET biology questions:

Botany

Q1. Which chromosome in the human genome has the highest number of genes?

Options:

1. Chromosome 10

2. Chromosome X

3. Chromosome Y

4. Chromosome 1

Difficulty: Easy

Explanation:

Chromosome 1 is the largest human chromosome and carries the most genes of all the chromosomes. It has more than 2,000 protein-coding genes that play a wide variety of fundamental biological functions. Chromosome X also carries many genes, particularly for sex-linked characteristics, but not as many as chromosome 1. Chromosome 10 has fewer genes than chromosome 1, and "Chromosome Y" has fewer than 100 genes. Thus, chromosome 1 has the most genes in the human genome.

Hence, the correct answer is option 4) Chromosome 1.

Q2. Which of the following statements is correct regarding the process of replication in E.coli?

Options:

1. The DNA dependent DNA polymerase catalyses polymerization in one direction that is 3' to 5'

2. The DNA dependent RNA polymerase catalyses polymerization in one direction, that is 5' to 3'

3. The DNA dependent DNA polymerase catalyses polymerization in 5' to 3' as well as 3' to 5' direction

4. The DNA dependent DNA polymerase catalyses polymerization in 5' to 3' direction

Difficulty: Easy

Explanation:

In prokaryotic organisms such as E. coli, the process of DNA replication is carried out by DNA-dependent DNA polymerase, which operates exclusively in the 5′ → 3′ direction. This directional activity allows for the continuous synthesis of the leading strand, while the lagging strand is formed in segments known as Okazaki fragments.

Hence, the correct answer is option 4) The DNA dependent DNA polymerase catalyses polymerization in 5' to 3' direction.

Zoology

Q3. Given below are two statements:

Statement I: The presence or absence of hymen is not a reliable indicator of virginity.

Statement II: The hymen is torn during the first coitus only.

In the light of the above statements, choose the correct answer from the options given below :

Options:

1. Both Statement I and Statement II are true

2. Both Statement I and Statement II are false

3. Statement I is true but Statement II is false

4. Statement I is false but Statement II is true

Difficulty: Medium

Explanation:

The presence or absence of a hymen is not a reliable indicator of virginity because the hymen can also be broken by a sudden jolt, insertion of a vaginal tampon,
active participation in some sports and in some women the hymen persists even after coitus.

Hence, the correct answer is option 3) Statement I is true but Statement II is false.

Q4. Match List I with List II:

Choose the correct answer from the options given below:

Options:

1. A-II, B-I, C-III, D-IV

2. A-IV, B-III, C-I, D-II

3. A-III, B-IV, C-I, D-II

4. A-II, B-I, C-IV, D-III

Difficulty: Medium

Explanation:

A. Unicellular glandular epithelium (III) Goblet cells of the alimentary canal
B. Compound epithelium (IV) Lines the moist surface of the buccal cavity
C. Multicellular glandular epithelium (I) Salivary glands
D. Endocrine glandular epithelium (II) Pancreas

Goblet cells are single-celled glands that secrete mucus, aiding in lubrication and protection. Compound epithelium protects against mechanical and chemical stress in areas like the buccal cavity. These glands are made up of multiple cells working together to produce and secrete saliva. The endocrine part of the pancreas (islets of Langerhans) secretes hormones like insulin and glucagon directly into the bloodstream.

Hence, the correct answer is option 3) A-III, B-IV, C-I, D-II.