Important Chapters for NEET 2025 - Important Topic Physics, Chemistry & Biology

Edited By Raushan Kumar | Updated on Sep 13, 2024 12:29 PM IST | #NEET

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Candidates can improve their chances of passing India's largest undergraduate medical exam by studying key chapters for NTA NEET 2025. If a candidate knows the NEET 2025 do-or-die chapters while preparing, it becomes easier to crack the NEET. The 'Do or Die' chapters in NEET 2025 are generally subjects that carry significant weightage in the exam and can play a vital role in cracking the exam.

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This Story also Contains

What to do before knowing the NEET 2025 do-or-die chapters?
Important chapters of NEET Biology 2025
What are the most weightage chapters for NEET Biology?
Important chapters for NEET 2025 Biology
Important chapters of NEET Chemistry 2025
Important chapters of Chemistry for NEET
Physics important chapters for NEET 2025
Most weightage chapters for NEET: Physics chapter-wise
Important chapters and topics of Physics for NEET 2025

Important Chapters for NEET 2025 - Important Topic Physics, Chemistry & Biology

In the do-or-die chapters for NEET UG, along with the list of important topics, the NEET chapter-wise weightage is also given. NEET 2025 is one of the most competitive exams in the country because it is the only test for admission to undergraduate medical courses. Based on the NEET score admission to over 1 lakh MBBS, 27,868 BDS, 52,720 AYUSH, 603 BVSc, and AH seats will be granted. Aspirants can read the below article on the "do or die" chapters of the NEET 2025 article and learn everything they need to know to excel in the NEET 2025 exam.

What to do before knowing the NEET 2025 do-or-die chapters?

The NEET comprises subjects including Physics, Chemistry and Biology. All three subjects are important for students to qualify for NEET. Getting ready for the NEET will be easier if a candidate knows which chapters are most important for each subject. Candidates should also know some pre-process before going through the NEET important chapters 2025. First and foremost, candidates should be familiar with the NEET 2025 syllabus. If they don't know the syllabus, they won't know where to start studying for the NEET.

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Candidates should study the do-or-die chapters of NEET 2025 from the NCERT books, as experts also advise that every question in the medical entrance exam would be asked from the concept of NCERT. During the NEET UG 2025 preparation, candidates can check the important chapters which need to be prioritized first along with the chapter-wise weightage that needs to be covered. In the early stages of preparation, do-or-die chapters of NEET will help the aspirant to separate the NEET UG syllabus and topics for preparation easily.

Important chapters of NEET Biology 2025

Important chapters for NEET biology play a vital role in the NEET exam. The NEET Biology syllabus has two subjects: Botany and Zoology. As per the NEET marks distribution, a maximum of 360 marks can be obtained in the biology section of NEET. Candidates with better concepts and clarity can score more in NEET subjects 2025. Hence, focusing more on the most important chapters for NEET 2025 can increase aspirants' chances of cracking the medical entrance test with ease.

NEET Biology total marks - Biology chapter-wise weightage for NEET

Chapter	Weightage out of 100
Diversity in the Living World	14%
Cell Structure and Function	5%
Structural Organisation in Animals and Plants	9%
Plant Physiology	6%
Human Physiology	20%
Reproduction	9%
Genetics and Evolution	18%
Biotechnology and Its Applications	3%
Biology and Human Welfare	4%
Ecology and environment	12%

NEET Biology 2025: Chapter-wise questions from Botany

Class	Botany important chapters for NEET 2025	Total
XII	Biology in Human Welfare	1
XI	Cell & Cell Cycle	5
XI	Diversity of Life	5
XII	Ecology	6
XII	Genetics	6
XI	Plant Physiology	8
XII	Reproduction & Sexual Reproduction	4
XI	Structural Organisation of Plants	5
XII	Animal Husbandry & Biotechnology	7
XII	Evolution: Theories & Evidences	1
XI	Biomolecules	2
Total		50

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NEET Important Chapters Biology 2025: Chapter-wise questions from Zoology

Class	Zoology important chapters for NEET 2025	Total
XII	Biology in Human Welfare	2
XI	Cell Structure and function	4
XI	Diversity of Life	0
XII	Ecology	3
XII	Genetics	5
XI	Plant Physiology	0
XII	Reproduction & Sexual Reproduction	0
XI	Structural Organisation of Plants	0
XI	Animal Kingdom	5
XII	Animal Husbandry & Biotechnology	6
XII	Evolution	1
XII	Human Health & Disease	1
XI	Human Physiology	10
XII	Human Reproduction & Reproductive Health	6
XI	Biomolecules	3
XI	Structural Organisation in Animals	4
Total		50

What are the most weightage chapters for NEET Biology?

The NEET Biology includes diversity in living world, human physiology, genetics and evolution, ecology and environment, cell, structural organisation in animals and plants and reproduction. These chapters carry a good weightage in NEET 2025.

Also Read -

Important chapters for NEET 2025 Biology

NEET Biology is quite an interesting subject. Students who prepare well can obtain good marks in NEET. However, the cell structure and function is considered the toughest chapter in Biology. The distribution of Biology questions for the NEET exam time duration 2025 is equally done from classes 11 and 12. So, candidates can go through chapter-wise important topics of Biology which are important for NEET preparation along with the important section of it, which needs to be focused more to know about how many questions are there in NEET.

Important topics for NEET Biology

Plant Kingdom

Questions from different types of algae and their pigments
General characters of pteridophytes and gymnosperms

Biological classification

General features of Monera, Protista, Fungi

Structural organization in plants and animals

Root, stem, and leaf anatomy
Animals tissues and their functions, specifically epithelial tissues

Cell: Structure & Functions

Mycoplasma, nucleus, chromosomes, ribosomes, chloroplast, and mitochondria
Meiosis - Prophase I

Plant physiology

C3, C4 cycle
Kranz anatomy
Glycolysis and Krebs cycle
ETS complexes
Photoperiodism
Transpiration pull
Bulk movement in Phloem
Mineral deficiency & Nitrogen cycle

Animal/Human Physiology

All topics specifically diagrams are very important

Reproduction

Gametogenesis in plants
Gametogenesis in humans
Reproductive structures in plants and animals
Polyembryony, Parthenocarpy, apomixis
Menstrual cycle

Genetics & evolution

Dihybrid cross, linkage
Codominance
Pedigree analysis
Genetic disorders
Darwinism and natural selection
Human evolution

Biotechnology

Process and applications
BT cotton, RNAi, Human insulin, Gene therapy, molecular diagnostics

Biology in human welfare

Human immunity
AIDS, Cancer
Drugs

Ecology and environment

Environmental issues
Biogeochemical cycles
Population interactions
Adaptations
Succession

Important chapters of NEET Chemistry 2025

Important chemistry chapters for NEET can boost the candidate's performance in the NEET exam. Candidates should have a systematic approach to studying chemistry for NEET. NEET Chemistry deals with more reactions and mechanisms. The syllabus of Chemistry for NEET 2025 is divided into three sections which are Physical, Organic, and Inorganic Chemistry. The NEET question pattern of chemistry for the NEET 2025 exam comprises 35 + 15 questions (180 marks). Going through the Chemistry most important chapters for NEET brings to get a good result in the medical entrance test.

Chemistry chapter-wise weightage for NEET UG 2025

Name of the Chapter	Weightage
Basic concepts of chemistry	2%
Structure of Atom	3%
Classification of elements and periodicity in properties	3%
Chemical Bonding and Molecular Structure	5%
States of Matter: Gases and liquids	2%
Solid-state	2%
Thermodynamics	9%
Equilibrium	6%
Redox Reactions	1%
Solutions	5%
Electrochemistry	4%
Chemical kinetics	3%
Surface Chemistry	1%
General Principles and Processes of Isolation Elements	1%
Hydrogen	3%
s- Block Elements (Alkali and Alkaline earth metals)	1%
Some p-Block elements	1%
d and f Block Elements	4%
Coordination compounds	4%
Organic Chemistry - Some basic principles and techniques	2%
Hydrocarbons	3%
Haloalkanes and Haloarenes	1%
Alcohols, Phenols and Ethers	8%
Aldehydes, Ketones and Carboxylic Acids	3%
Organic Compounds Containing Nitrogen	1%
Biomolecules	3%
Polymers	3%
Chemistry in Everyday Life	4%
Environmental Chemistry	1%

Chemistry important chapters for NEET 2025

Class	Name of section	Total
XI	Organic Chemistry	6
XII	Organic Chemistry	11
XI	Inorganic Chemistry	8
XII	Inorganic Chemistry	11
XI	Physical Chemistry	6
XII	Physical Chemistry	8
Total		50

Important chapters of Chemistry for NEET

Aspirants can go through the below-mentioned major topics which will be asked from Chemistry for NEET 2025, along with the names of the chapters. While preparing for the NEET 2025 exam, the below-mentioned chapters along with the topic of Chemistry need to be given priority. Prioritizing these do-or-die chapters of NEET will boost up the level of preparation for Chemistry.

Important topics for NEET Chemistry

Some basic principles of Organic chemistry

Mole Concept And Molar Masses
Stoichiometry,
Stoichiometric Calculations

Atomic structure

Bohr model for the hydrogen atom
Quantum mechanical model of the atom

Chemical bonding and molecular structure

Valence Bond theory
Hybridization
The valence shell electron pair repulsion theory

Solutions

Ideal and non-ideal solutions
Colligative properties

Equilibrium

Ionization of acids and bases
Solubility Equilibria of sparingly soluble salts

Coordination compounds

Bonding in coordination compounds
Stability of coordination compounds

In Organic Chemistry

Some basic principles and techniques

Isomerism and fundamental concepts in the organic reaction mechanism

Alcohols, Phenols, and Ethers

Properties of alcohols and properties of phenols

Physics important chapters for NEET 2025

Important physics chapters for NEET consist of a wide variety of theoretical concepts and lots of numerical problems associated with each concept. So while preparing for NEET Physics candidates require more effort to understand the concept and based on that solve the numerical problems. Candidates can go through the Physics most important chapters for NEET, which they need to focus on first to avoid any kind of inconvenience.

Most weightage chapters for NEET: Physics chapter-wise

Class XI
Unit	Topic / Chapters	Weightage
I	Physical-world and measurement	2%
	Chapter–1: Physical World
	Chapter–2: Units and Measurements
II	Kinematics	3%
	Chapter–3: Motion in a Straight Line
	Chapter–4: Motion in a Plane
III	Laws of Motion	3%
	Chapter–5: Laws of Motion
IV	Work, Energy and Power	4%
	Chapter–6: Work, Energy and Power
V	Motion of System of Particles and Rigid Body	5%
	Chapter–7: System of Particles and Rotational Motion
VI	Gravitation	2%
	Chapter–8: Gravitation
VII	Properties of Bulk Matter	3%
	Chapter–9: Mechanical Properties of Solids
	Chapter–10: Mechanical Properties of Fluids
	Chapter–11: Thermal Properties of Matter
VIII	Thermodynamics	9%
	Chapter–12: Thermodynamics
IX	Behaviour of Perfect Gas and Kinetic Theory	3%
	Chapter–13: Kinetic Theory
X	Oscillation & Waves	3%
	Chapter–14: Oscillations
	Chapter–15: Waves
Class XII
Unit	Topic / Chapters	Weightage
I	Electrostatics	9%
	Chapter-1: Electric Charges and Fields
	Chapter-2: Electrostatic Potential and Capacitance
II	Current Electricity	8%
	Chapter-3: Current Electricity
III	Magnetic Effect of Current & Magnetism	5%
	Chapter-4: Moving Charges and Magnetism
	Chapter-5: Magnetism and Matter
IV	Electromagnetic Induction & Alternating Current	8%
	Chapter-6: Electromagnetic Induction
	Chapter-7: Alternating Current
V	Electromagnetic Waves	5%
	Chapter-8: Electromagnetic Waves
VI	Optics	10%
	Chapter-9: Ray Optics and Optical Instruments
	Chapter-10: Wave Optics
VII	Dual Nature of Matter and Radiation	6%
	Chapter-11: Dual Nature of Radiation and Matter
VIII	Atoms & Nuclei	3%
	Chapter-12: Atoms
	Chapter-13: Nuclei
IX	Electronic Devices	9%
	Chapter-14: Semiconductor Electronics
Total		100%

NEET 2025 Physics: Chapter-wise number of questions

Class	Name of the chapter	Total
XII	Electricity	10
XI	Heat & Thermodynamics	2
XII	Magnetism	10
XI	Mechanics	16
XII	Modern Physics	8
XII	Optics	4
XI	Waves	0
Total		50

Important chapters and topics of Physics for NEET 2025

The below-mentioned hardest chapters in Physics NEET are the highest-scoring chapters in Physics for NEET from which the most of NEET questions will be asked. While preparing for the NEET NTA exam, aspirants need to make sure to cover the below-mentioned chapters of Physics.

Motion of System of Particles and Rigid Body
Properties of bulk matter
Oscillations and Waves
Electrostatics
Current Electricity
Electromagnetic Induction and Alternating Currents
Optics
Electronic devices

Experts advise while covering the Important chapters for NEET 2025

Implementing the advice from experts and working on it is an important process of NEET 2025 preparation. Candidates are advised to go through expert opinions every aspirant should know before covering the do-or-die chapters of NEET. While going through the NEET subject-wise marks, aspirants are advised to go through the below-mentioned things that they need to take care of.

Revise the concept regularly
Practice mock tests or previous year's sample paper as much as you can
Study according to a proper plan
Stay healthy and sleep properly

Frequently Asked Questions (FAQs)

1. What are the do or die chapters of NEET 2025?

The chapters which are very important and carry a good weightage in NEET exam are do or die chapters for cracking the single largest medical exam.

2. Why do or die chapters of NEET are important for aspirants?

Going through the important chapters of NEET, candidates can score better marks in the medical entrance test.

3. Before going through the do or die chapters for NEET 2025, what is important?

Firstly candidates should know the NEET syllabus, as without knowing the syllabus, aspirants will not get a proper direction in the subject to start their preparation.

4. From which books, one can study the important chapters of NEET 2025?

Candidates should study the do-or-die chapters of NEET 2025 exam from the NCERT books, as every question in the medical entrance exam would be asked from the concept of NCERT.

5. What is NEET exam?

NEET exam is a single entrance test for granting admission to UG medical courses such as MBBS, BDS, B.VSc, BAM, BUMS, BHMS, and others.

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Questions related to NEET

Have a question related to NEET ?

I have done with neet pg 2024 exam. my rank is 70055. I want emergency medicine. I am from karnataka with OBC category. what all the colleges I can get admission in. can I knw the fee structure of those colleges and stipend given in them?

Hello There,

With a NEET PG 2024 rank of 70055 and your interest in Emergency Medicine, as an OBC candidate from Karnataka, your options will likely depend on several factors such as state quotas, seat availability, and the specific college cut-offs.

For Emergency Medicine, you may have a chance to secure seats in private medical colleges in Karnataka, as government college cut-offs for Emergency Medicine can be higher. Some colleges to consider for MD in Emergency Medicine in Karnataka include:

1. Kasturba Medical College, Manipal
2. Vydehi Institute of Medical Sciences, Bangalore
3. MS Ramaiah Medical College, Bangalore
4. St. Johns Medical College, Bangalore
5. Kempegowda Institute of Medical Sciences, Bangalore

Fee Structure:

Private Medical Colleges: Fees can range from 10-20 lakh per year.
Deemed Universities: Fees may be on the higher end, ranging from 25-40 lakh per year depending on the institution.
Government Colleges: The fees can be much lower, usually around 1-2 lakh per year, but securing a seat in a government college with your rank might be challenging for Emergency Medicine

Stipends:
Government colleges typically offer stipends of around 40,000-70,000 per month depending on the year of residency.
Private medical colleges offer stipends that might range from 30,000-60,000 per month.

For more detailed information on the specific cut-offs and updated fee structures, its best to refer to the Karnataka Examination Authority (KEA) website and the MCC (Medical Counselling Committee) guidelines for NEET PG.

Thankyou. Hope it helps and Good luck!

Read Complete Answer

Hridaya Rao 12 September,2024

neet pg seats for year 2024.all India rank about 110000

The probability of securing a seat through NEET PG counseling can be quite challenging, but it is not entirely out of the question. Here’s what you should consider

you can get seat of your interest but possible only in private medical colleges.

You must to have good counselling knowledge for top low budget private college.

Our predictor tool will help you in getting good colleges list according to your rank in NEET pg.

https://medicine.careers360.com/neet-pg-college-predictor?utm_source=neet_pg_cp&utm_medium=GoogleAds&utm_campaign=0908&gad_source=1&gclid=CjwKCAjwooq3BhB3EiwAYqYoEkOi9rbxBasg-Exrnfxfst9BjYK7gegbCLgLX06H2RNVEmAC2kQfUhoCJVMQAvD_BwE

Read Complete Answer

sadafreen356 12 September,2024

cutoff for bds government college in gujarat

the cutoff for the General AI category at the Government Dental College and Hospital, Jamnagar was 33,644 in 2024.

The marks should be 500 plus for AIQ Counselling and between 460 to 480 for state counselling for BDS.if you achieve good rank it might have a chance to get dental college around 450+.

Read Complete Answer

sadafreen356 12 September,2024

my father is ex service man in india army Is I get quota from his job in neet 2025

Hello aspirant,

People who have served in the army, navy, or air force—the three defense forces—are generally referred to as ex-servicemen. As a child of an ex-serviceman, you have additional chances while applying for medical admissions. You may submit an application under the 85% state quota for state counseling and the army quota for the Medical Counseling Committee (MCC) procedure.

Thank you

Hope it helps you.

Read Complete Answer

Sajal Trivedi 12 September,2024

any student get medical College in Karnataka neet based on father PWD status?say any one incident happened in past

Yes, students can get medical colleges in Karnataka based on their father's PWD (Persons with Disabilities) status. Karnataka has a reservation quota for candidates with disabilities, which includes those whose parents or guardians have disabilities.

How it works:

Reservation Quota: Karnataka has a specific reservation quota for candidates with disabilities, which includes those whose parents or guardians have disabilities. This quota varies from year to year but generally ranges between 3% to 5%.
Eligibility: To be eligible for the PWD quota, you or your father must have a disability certificate issued by a competent authority. The type and degree of disability will determine your eligibility for the quota.
Counseling Process: During the NEET counseling process in Karnataka, candidates who meet the eligibility criteria for the PWD quota will be considered separately. They will be allotted seats based on their NEET rank and the availability of seats in the PWD quota.

Important Notes:

The exact reservation percentage and eligibility criteria may change from year to year. It's essential to refer to the official Karnataka NEET counseling brochure for the most accurate information.
The competition for seats under the PWD quota can be high, so it's important to have a strong NEET rank to increase your chances of securing a medical college.

I hope it helps.

Read Complete Answer

kanishkakaushikii2004 11 September,2024

Popular NEET Questions

Column I ( Salivary gland)		Column II ( Their location)
Parotids	I	Below tongue
Sub-maxillary / sub-mandibular	Ii	Lower jaw
Sub-linguals	Iii	Cheek

Option: 1

a(i), b(ii) , c(iii)

Option: 2

a(ii), b(i), c(iii)

Option: 3

a(i), b(iii), c(ii)

Option: 4

a(iii), b(ii), c(i)

$Ethyl \; ester \xrightarrow[(excess)]{CH_{3}MgBr} P$

the product 'P' will be ,

Option: 1

Option: 2

Option: 3

$\left ( C_{2}H_{5} \right )_{3} - C- OH$

Option: 4

	Valve name		Function
I	Aortic valve	A	Prevents blood from going backward from the pulmonary artery to the right ventricle.
II	Mitral valve	B	Prevent blood from flowing backward from the right ventricle to the right atrium.
III	Pulmonic valve	C	Prevents backward flow from the aorta into the left ventricle.
IV	Tricuspid valve	D	Prevent backward flow from the left ventricle to the left atrium.

Option: 1

I – A , II – B, III – C, IV – D

Option: 2

I – B , II – C , III – A , IV – D

Option: 3

I – C , II – D , III – A , IV – B

Option: 4

I – D , II – A , III – B , IV – C

Column A	Column B
A	a) Organisation of cellular contents and further cell growth.
B	b) Leads to formation of two daughter cells.
C	c) Cell grows physically and increase volume proteins,organells.
D	d) synthesis and replication of DNA.

Match the correct option as per the process shown in the diagram.

Option: 1

1-b,2-a,3-d,4-c

Option: 2

1-c,2-b,3-a,4-d

Option: 3

1-a,2-d,3-c,4-b

Option: 4

1-c,2-d,3-a,4-b

0.014 Kg of N₂ gas at 27 ⁰C is kept in a closed vessel. How much heat is required to double the rms speed of the N₂ molecules?

Option: 1

3000 cal

Option: 2

2250 cal

Option: 3

2500 cal

Option: 4

3500 cal

0.16 g of dibasic acid required 25 ml of decinormal $NaOH$ solution for complete neutralisation. The modecular weight of the acid will be

Option: 1

Option: 2

Option: 3

128

Option: 4

256

0.5 F of electricity is passed through 500 mL of copper sulphate solution. The amount of copper (in g) which can be deposited will be:

Option: 1

31.75

Option: 2

15.8

Option: 3

47.4

Option: 4

63.5

0.5 g of an organic substance was kjeldahlised and the ammonia released was neutralised by 100 ml 0.1 M HCl. Percentage of nitrogen in the compound is

Option: 1

Option: 2

Option: 3

Option: 4

0xone is

Option: 1

$\mathrm{KO}_{2}$

Option: 2

$\mathrm{Na}_{2} \mathrm{O}_{2}$

Option: 3

$\mathrm{Li}_{2} \mathrm{O}$

Option: 4

$\mathrm{CaO}$

(1) A substance known as "Smack"

(2) Diacetylmorphine

(3) Possessing a white color

(4) Devoid of any odor

(5) Crystal compound with a bitter taste

(6) Obtained by extracting from the latex of the poppy plant

The above statements/information are correct for:

Option: 1

Morphine

Option: 2

Heroin

Option: 3

Cocaine

Option: 4

Barbiturates

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3 Jobs Available

Oncologist

An oncologist is a specialised doctor responsible for providing medical care to patients diagnosed with cancer. He or she uses several therapies to control the cancer and its effect on the human body such as chemotherapy, immunotherapy, radiation therapy and biopsy. An oncologist designs a treatment plan based on a pathology report after diagnosing the type of cancer and where it is spreading inside the body.

3 Jobs Available

Anatomist

Are you searching for an ‘Anatomist job description’? An Anatomist is a research professional who applies the laws of biological science to determine the ability of bodies of various living organisms including animals and humans to regenerate the damaged or destroyed organs. If you want to know what does an anatomist do, then read the entire article, where we will answer all your questions.

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Narcotics Officer

4 Jobs Available

Research Associate

If we talk about a career as a research associate, it all comes down to one thing - curiosity towards nature and the passion to find answers. A career as a research associate is full of thrill and excitement. However, a research associate also faces a lot of challenges and failures while working on a project. A job of a research associate includes a spectrum of Science as a subject in detail.

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Drug Inspector

A career as a Drug Inspector is regarded as one of the most diverse in the field of healthcare and pharmacy. Candidates must undergo a screening process administered by the UPSC and or SPSCs in order to become drug inspectors. Those who manage it through the selection process will have a rewarding career with a high salary.

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Biotechnologist

A Biotechnologist is a professional who possesses strong knowledge and techniques that are utilised in creating and developing innovative products that improve the quality of human life standards. A biochemist uses biological organisms to create and improve goods and procedures for agriculture, medicine, and sustainability. He or she researches the genetic, chemical, and physical characteristics of cells, tissues, and organisms to determine how they can be used industrially.

2 Jobs Available

R&D Personnel

A career as R&D Personnel requires researching, planning, and implementing new programs and protocols into their organization and overseeing new products’ development. He or she uses his or her creative abilities to improve the existing products as per the requirements of the target market.

2 Jobs Available

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