Medical and engineering entrance

JEE Main preparation with Prepology

Prepology is an adaptive exam-preparation app for JEE Main (Joint Entrance Examination, Main). For JEE Main it has 1,000+ original practice questions across Physics, Chemistry and Mathematics (54 chapters), timed mock tests on the exam pattern (75 questions, 300 marks, 180 minutes, +4/−1), a personalised daily study plan, spaced revision and an AI mentor that explains questions. It runs in the browser and on Android, is free to start, and Plus costs ₹49 a month or ₹499 a year. It is for learners aged 18 and over.

JEE Main is the national engineering entrance exam conducted by the National Testing Agency (NTA) for admission to NITs, IIITs and other engineering colleges, and the qualifying exam for JEE Advanced.

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1,000+original practice questions
3subjects
54chapters covered
₹0to start · Plus ₹49/month

What Prepology offers for JEE Main

Chapter-wise practice: 1,000+ original JEE Main-style questions across 54 chapters, pitched at your level, with an explanation after every answer.
Timed mock tests (Plus): full papers on the JEE Main pattern below, with the exam’s marking and negative marking.
A personalised daily study plan: built around your classes and study hours, weighted by how much each topic counts in the exam, and rebuilt when you fall behind.
Spaced revision: topics and missed questions come back for review before you forget them.
AI Mentor: explains questions and answers doubts about your plan and topics.
Test history and retakes: review every mock test you have taken and retake it.
Syllabus coverage: see which JEE Main topics you have practised and which are not assessed yet.

JEE Main exam pattern

The JEE Main Paper 1 (B.E./B.Tech.) mock has 75 questions for 300 marks in 180 minutes: 25 each in Physics, Chemistry and Mathematics, of which 20 are multiple choice and 5 need a numerical answer. A correct answer earns 4 marks and a wrong one loses 1, in both question types.

JEE Main pattern as used in Prepology’s mock tests
Section	Questions	Marks if right	Marks if wrong
Physics	25	+4	−1
Chemistry	25	+4	−1
Mathematics	25	+4	−1
Total	75	300 marks

Pattern compiled from public summaries of the NTA bulletin; the link is the NTA syllabus document the topics follow. Source: NTA JEE Main syllabus document. Exam patterns can change; always check the official notification.

JEE Main subjects and chapters covered

Topics follow the official JEE Main syllabus. Each chapter has its own practice questions, revision and progress.

Physics 20 chapters · 400+ questions

Units and Measurements
Kinematics
Laws of Motion
Work, Energy and Power
Rotational Motion
Gravitation
Properties of Solids and Liquids
Thermodynamics
Kinetic Theory of Gases
Oscillations and Waves
Electrostatics
Current Electricity
Magnetic Effects of Current and Magnetism
Electromagnetic Induction and Alternating Currents
Electromagnetic Waves
Optics
Dual Nature of Matter and Radiation
Atoms and Nuclei
Electronic Devices
Experimental Skills

Chemistry 20 chapters · 400+ questions

Some Basic Concepts in Chemistry
Atomic Structure
Chemical Bonding and Molecular Structure
Chemical Thermodynamics
Solutions
Equilibrium
Redox Reactions and Electrochemistry
Chemical Kinetics
Classification of Elements and Periodicity in Properties
p-Block Elements
d- and f-Block Elements
Co-ordination Compounds
Purification and Characterisation of Organic Compounds
Some Basic Principles of Organic Chemistry
Hydrocarbons
Organic Compounds Containing Halogens
Organic Compounds Containing Oxygen
Organic Compounds Containing Nitrogen
Biomolecules
Principles Related to Practical Chemistry

Mathematics 14 chapters · 250+ questions

Sets, Relations and Functions
Complex Numbers and Quadratic Equations
Matrices and Determinants
Permutations and Combinations
Binomial Theorem and its Simple Applications
Sequence and Series
Limit, Continuity and Differentiability
Integral Calculus
Differential Equations
Co-ordinate Geometry
Three Dimensional Geometry
Vector Algebra
Statistics and Probability
Trigonometry

JEE Main preparation: questions and answers

Is Prepology free for JEE Main preparation?

Yes, you can start free. The Free plan includes 20 practice questions a day, the daily study plan, revision, notes, flashcards and 20 AI Mentor messages a day. Plus (₹49 a month or ₹499 a year) raises practice to 200 questions a day, adds timed JEE Main mock tests and allows 150 Mentor messages a day.

Are the questions taken from past JEE Main papers?

No. They are original questions written for Prepology to the JEE Main syllabus and pattern, each with a worked explanation. Questions are checked by a reviewer, and you can report a mistake from the app.

Do the mock tests follow the real JEE Main pattern?

They follow the pattern on this page (75 questions, 300 marks, 180 minutes, +4/−1). Exam bodies can change the pattern, so check the official notification before your exam.

Is Prepology affiliated with the NTA?

No. Prepology is an independent study aid. It is not affiliated with or endorsed by the NTA or any other exam-conducting body.

Who can use Prepology?

Anyone aged 18 or over. Use it in a browser or install the Android app; both sync to the same account.

Start preparing for JEE Main

Set up in about three minutes: pick JEE Main, add your study hours, and get your first study plan. No payment needed to start.

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