Biology

NEET Biology: Which Chapters Are Botany and Which Are Zoology?

All 32 NEET Biology chapters sorted into Botany and Zoology, with the NCERT class and unit for each. Includes why chapters like Biomolecules and Cell confuse students.

7 min readBy PracticeNEET

The short answer

NEET has three subjects, and Biology is the biggest one:

SubjectQuestionsMarks
Physics45180
Chemistry45180
Biology (Botany + Zoology)90360
Total180720

Biology is half the paper.

Now the part that causes all the confusion. NTA does not treat Botany and Zoology as separate subjects. Your scorecard shows one Biology score, not two. The official syllabus is a single Biology list of 10 units, and the words "Botany" and "Zoology" do not appear in it even once.

It was different for a few years. From 2021 to 2024 the paper really did have four named sections, with Botany and Zoology listed separately. From 2025 NTA went back to the older pattern: three subjects, 180 compulsory questions, no optional questions.

Coaching institutes still teach and test Botany and Zoology separately, and usually split the 90 Biology questions as roughly 45 and 45. That is their convention. It is useful, and this page follows it, but it is not an NTA rule.

Roughly:

  • Botany covers plants, the cell, and ecology.
  • Zoology covers animals, human body systems, genetics, and biotechnology.

The full chapter lists are below.

Botany chapters in NEET

ChapterClassNCERT Unit
The Living World11Diversity in Living World
Biological Classification11Diversity in Living World
Plant Kingdom11Diversity in Living World
Morphology of Flowering Plants11Structural Organisation in Animals and Plants
Anatomy of Flowering Plants11Structural Organisation in Animals and Plants
Cell: The Unit of Life11Cell Structure and Function
Biomolecules11Cell Structure and Function
Cell Cycle and Cell Division11Cell Structure and Function
Photosynthesis in Higher Plants11Plant Physiology
Respiration in Plants11Plant Physiology
Plant Growth and Development11Plant Physiology
Sexual Reproduction in Flowering Plants12Reproduction
Microbes in Human Welfare12Biology and Human Welfare
Organisms and Populations12Ecology and Environment
Ecosystem12Ecology and Environment
Biodiversity and Conservation12Ecology and Environment

That is 16 of the 32 chapters, and around 45 of the 90 Biology questions. Ecology alone gives three chapters, and it is usually the easiest scoring block in Botany.

Zoology chapters in NEET

ChapterClassNCERT Unit
Animal Kingdom11Diversity in Living World
Structural Organisation in Animals11Structural Organisation in Animals and Plants
Breathing and Exchange of Gases11Human Physiology
Body Fluids and Circulation11Human Physiology
Excretory Products and their Elimination11Human Physiology
Locomotion and Movement11Human Physiology
Neural Control and Coordination11Human Physiology
Chemical Coordination and Integration11Human Physiology
Human Reproduction12Reproduction
Reproductive Health12Reproduction
Principles of Inheritance and Variation12Genetics and Evolution
Molecular Basis of Inheritance12Genetics and Evolution
Evolution12Genetics and Evolution
Human Health and Disease12Biology and Human Welfare
Biotechnology: Principles and Processes12Biotechnology and Its Applications
Biotechnology and Its Applications12Biotechnology and Its Applications

That is the other 16 chapters, and around 45 of the 90 Biology questions. Human Physiology gives six of them, so it is the single heaviest block in Zoology.

Chapters that are no longer in the syllabus

If your list has more than 32 chapters, your material is out of date. NCERT trimmed the Biology textbooks and the NEET syllabus was cut to match. Class 11 went from 22 chapters to 19, and Class 12 from 16 to 13.

These are not in the current NEET syllabus:

Removed chapterClassWas in
Transport in Plants11Plant Physiology
Mineral Nutrition11Plant Physiology
Digestion and Absorption11Human Physiology
Reproduction in Organisms12Reproduction
Strategies for Enhancement in Food Production12Biology and Human Welfare
Environmental Issues12Ecology and Environment

Digestion and Absorption is the one that surprises people most. It used to be a standard Zoology chapter, which is why older Human Physiology lists show seven chapters instead of six.

Do not spend time on these. If you are using an older sibling's books or a second-hand test series, check the chapter list against the 32 above before you plan your revision.

Why some chapters confuse everyone

Here is the part nobody tells you clearly.

NTA has never published a list saying which chapter is Botany and which is Zoology. Not even in 2021 to 2024, when the paper did have separate Botany and Zoology sections — the syllabus it pointed to was still one unified Biology list.

So every Botany/Zoology chapter list you have ever seen, including this one, comes from coaching institutes. Most of them agree with each other. On a few chapters they don't, and those are exactly the ones students search for:

ChapterUsually filed asWhy it feels wrong
BiomoleculesBotanyIt is full of proteins, enzymes, and DNA, which feel like Zoology topics
Cell: The Unit of LifeBotanyCells are in animals too
Cell Cycle and Cell DivisionBotanyMeiosis is taught in both
Microbes in Human WelfareBotany"Human welfare" sounds like Zoology
Genetics and EvolutionZoologyMendel used pea plants
Biotechnology (both chapters)ZoologyBt cotton and Golden Rice are plants

If a chapter appears on both your Botany and Zoology lists, your coaching material and your school just drew the line in different places. Neither is wrong.

Is Biomolecules Botany or Zoology?

Botany, in almost every coaching classification.

The reason is placement, not content. Biomolecules is Chapter 9 of Class 11 NCERT, and it sits inside Unit 3, "Cell Structure and Function". The other two chapters in that same unit are Cell: The Unit of Life and Cell Cycle and Cell Division. Both are Botany. So Biomolecules goes with them.

The content is what throws people off. Proteins, enzymes, nucleic acids, and metabolism all feel like animal biology. But NCERT put the chapter in the cell unit, and the cell unit is taught under Botany.

One thing worth being clear about: this does not change a single mark. NTA gives you one Biology score. The examiner does not care whether you learned enzymes in your Botany notebook or your Zoology notebook. The classification only matters for two practical things:

  1. Finding the chapter in your coaching modules and test series.
  2. Knowing which of your two weak areas to blame when a mock goes badly.

Read the full Biomolecules chapter guide for what actually gets asked.

Does the split change how you should study?

Mostly no. Study the 32 chapters. The section labels are just filing.

But there are three places the split genuinely matters:

1. Balancing your revision. The two halves carry roughly equal weight. Students who love Human Physiology often over-prepare Zoology and leave Ecology and Plant Physiology weak. Those are 6 easy chapters in Botany. Losing marks there is the cheapest mistake in NEET Biology.

2. Reading your test results. This is the real reason the labels are useful. NTA gives you one combined Biology score, so it cannot tell you where you lost marks. A mock that reports Botany 30/45 and Zoology 40/45 can. A single "Biology 70/90" hides the problem completely.

3. Finding your material. Your modules, test series, and revision notes are all filed as Botany or Zoology. Knowing which shelf a chapter lives on saves real time.

A simple plan that works: revise by NCERT unit, not by section label. Units keep related chapters together, which is how the questions are actually set.

When you want to test a specific chapter, use chapter-wise drills on Practice, then move to full sections on Mock Tests once your accuracy is steady.

Ready to practice this chapter?

Open Practice, choose Biology, then select this chapter in the topic list.

Go to Practice →

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