JAC 12th Science Exam Pattern 2026: Know Marking Scheme & Exam Duration

Exam On - 3 Feb '26 - 23 Feb '26

This exam is conducted for courses given below:

Science, Commerce, Arts Science Commerce Arts

Updated on Dec 23, 2025 18:12 IST

By Md Shahzad, Senior Executive - Content

JAC 12th Exam Pattern 2026: The Jharkhand Academic Council (JAC) prescribe the JAC 12th exam pattern 2026 for the students. The board prescribe the JAC class 12 exam pattern in the form of sample papers. Apart from the JAC 12th sample papers, the board also prescribe the exam pattern in case of any change made in the exam pattern. While preparing for JAC Class 12 Board examinations, students must be well aware of the JAC 12th Syllabus as well as the JAC Inter Exam Pattern. Knowing both would help the students get acquainted with the type of questions that are asked in the JAC Class 12 examinations, the number of questions as well as the marking scheme. Students must check JAC 12th exam pattern and prepare for the exams accordingly.

Jharkhand Board has announced the JAC class 12 exam date 2026. JAC Class 12 exams 2026 will be conducted from February 3 to 23, 2026.

Table of contents

JAC 12th Exam Pattern 2026
JAC Class 12th Model Question Papers 2026
JAC 12th Books
JAC Board Inter Pattern 2026: Exam Day Instructions
FAQs related to JAC 12th Exam Pattern 2026

JAC 12th Exam Pattern 2026

The board prescribe the JAC exam pattern 2026 class 12 in the form of sample papers. Given below is the JAC 12th Exam Pattern:

Subjects	Number of questions	Full marks	Minimum pass marks
Physics	20	70	23
Chemistry	34	70	30
Biology	18	35	11.5
Political Science	35	100	-
Accountancy	29	80	26
Economics	32	100	-
History	33	100	-
Business Mathematics	31	100	-

Commonly asked questions

Q: How can I access the JAC 12th exam pattern 2026?

The students must note that the JAC 12th exam pattern 2024-25 is released in the form of sample papers. However, the board can especially prescribe the JAC class 12 exam pattern in case they decide to make change in the exam pattern. Students can access the JAC class 12 exam pattern after downloading the sample papers. subject-wise JAC 12th model papers is available for the students to download at jacexamportal.in. Moreover, we also provide the direct links to download the same on this page for free.

Q: Does JAC prescribe the preparation tips for JAC class 12 exams?

No, the Jharkhand Academic Council (JAC) does not prescribe the JAC 12th preparation tips for different subjects. In India a few board like CBSE, UPMSP etc. releases the preparation tips for board exam students. However, these board releases preparation tips only for the subjects that are generally treated as tough among the students.

However, for the JAC 12th board students, we have provided some important tips and tricks on this page. It will help them prepare well for the JAC 12th exams.

JAC Class 12th Model Question Papers 2026

The Jharkhand Academic Council published the JAC Board 12th Model Question Papers 2026. The board released the Inter (12th) Model Question Paper 2026 JAC for all subjects in a single PDF at jacexamportal.in. We have provided direct links to download the subject-wise JAC Inter model paper 2025-26 on our separate page for free. Students must download and solve the JAC Inter model question papers 2026 and previous years' questions to become familiar with the exam pattern, marking scheme, and the type & level of questions asked.

Also Read: JAC 12th Model Question Papers 2026 PDF Download (Out): Check Subject-wise Jharkhand Board Intermediate Sample Papers

Commonly asked questions

Q: Where can I download the JAC 12th model papers 2026?

The Jharkhand Academic Council (JAC) releases the Jharkhand Board Inter model papers online on its website. Students preparing for the upcoming JAC 12th board exams can download the same at jacexamportal.in. Apart from the official website, we have also provided the JAC 12th Sample Papers on this page. We provide direct links to download the subject-wise JAC class 12 model papers here for free. Students can download and practice.

Q: Are previous years JAC class 12 question papers useful?

Yes. Practicing old question papers is very useful. Solving them will allow the students to know the exam pattern & the types of questions asked. It also help the candidates to boost their confidence for the exams.

JAC 12th Books

The Jharkhand Board prescribes only NCERT books for the preparation of Class 12 Board examinations. Students must refer to these books only to ace the JAC 12th examinations 2024.

Students must also solve sample papers as they can derive various needful information of JAC 12th exams like exam pattern, syllabus, time management, weightage etc from them.

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Commonly asked questions

Q: Does JAC prescribe the preparation tips for JAC class 12 exams?

However, for the JAC 12th board students, we have provided some important tips and tricks on this page. It will help them prepare well for the JAC 12th exams.

Q: Are there any major changes in JAC 12th Syllabus 2025-26?

The board released the JAC class 12 syllabus 2024-25. As it has been released, we have also provided detail on the same on this page. This year too, Jharkhand Board decided to cover the entire syllabus. Students can find subject wise downloadable links of JAC syllabus 2025 on this page. JAC refers NCERT books to prepare its students for the 12th board exams. The links to download the NCERT solutions Class 11, 12 of Physics, Chemistry and Mathematics are provided on this page.

JAC Board Inter Pattern 2026: Exam Day Instructions

Students must carry their Jharkhand Board 12th Admit Card to the exam hall.
Reach the examination centre at least 30 minutes before the exam starting time.
Candidates shoul also bring all the required stationery to the exam hall.
Students must note that carring any electronic gadgets is completly prohibited.
They must adhere all the instructions inside the JAC 12th examination hall.

Commonly asked questions

Q: What is the duration of the JAC 12th exam 2026?

The Jharkhand Academic Council (JAC) prescribe the JAC class 12 exam pettern for the students. Students must note that the exam pattern is released in the form of JAC 12th model paper. As per last year's exam pattern, total duration of the JAC 12th exam is three hours for each subject. Students must complete the paper within the given time. The board will soon come up with an official Jharkhand Board 12th sample paper.

Q: What are the streams of the JAC 12th exam 2026?

After passing the class 10 exams, all the students are required to choose one stream to study in class 11 and 12 in JAC Board. The JAC 12th exam is conducted across three streams, namely, Science, Commerce and Arts or Humanities. The students must opt any of stream from these while getting enrolled to class 11. Based on selection made by the students, the schools/colleges will arrange classes for the students. The board hold the JJAC 12th board exams in February every year.

FAQs related to JAC 12th Exam Pattern 2026

Students can check the FAQs related to the JAC Class 12 Exam Pattern 2026 below:

Commonly asked questions

Q: In how many shifts is the JAC 12th exam 2026 conducted?

Every year, JAC conducts the Jharkhand Board class 12 exams in February. Detailed JAC 12th time table 2025 will be announced in November/December this year. Last year, the JAC Class 12 exams were conducted in sing shift. Class 12 board exams were conducted from 2 pm to 5.15 pm. However, the board might hold the class 12 theory papers in two shift in 2025. If it happen, the first shift exams will be conducted from 9.45 am to 1 pm.

Q: Can I pay to secure good marks in the JAC Board 12th result?

No, yourexam preparation is the only key to success in JAC class 12 exams. EVery year, Jharkhand board releases warning students and parent to stay away from the fraudsters who falsely claim they can improve students' marks for money. Therefore, do not fall for such scams, paying money will not help you secure good marks in JAC Inter exams. Rather than thinking about paying money, focus on your preparation.

Q: What is the total marks of the JAC 12th exam 2026?

Jharkhand Board prescribe the JAC 12th exam pattern in the form of JAC 12th sample paper. It is made available online on the official website of the board at jac.jharkhand.gov.in. JAC class 12 sample paper include the pattern of actual exam. As per JAC class 12 exam pattern, the total marks of the JAC 12th exam is 500. Each subject carries a total of 100 marks. To pass JAC 12th exams 2024, a student must achieve a score of 33 percent. The JAC Class 12 passing marks are 24 out of 70 and 33 out of 100 for each subject.

Q: When will the JAC 12th Exams 2026 be conducted?

The Jharkhand Academic Council (JAC) announced the Jharkhand Board 12th time table 2026. The JAC class 12 exams 2026 will be conducted from February 3 to 23, 2026. The JAC 12th practicals will be hold in March 2026. In 2025, JAC class 12 exams were conducted from February 11 to March 4, 2026.

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Complement of a Set Equal Sets Universal Set Finite and Infinite Set Empty Set Sets and their Representations Relations and Functions Cartesian Products of Sets Functions Relations Binomial Theorem Binomial Theorem for Positive Integral Index Composition of Functions and Invertible Function Types of Functions Types of Relations Properties of Inverse Trigonometric Functions Inverse Trigonometric Functions Basic Concepts of Inverse Trigonometric Functions Types of Matrix Transpose of a Matrix Symmetric and Skew Symmetric Matrices Invertible Matrices Operations on Matrices Determinants Determinants Integration as Inverse Process of Differentiation Differentiation Standard Deviation Assumed Mean Method Correlation and Regression Z Score Table Cube and Cuboid Complement of a Set Equal Sets Universal Set Finite and Infinite Set Empty Set Sets and their Representations Relations and Functions Cartesian Products of Sets Functions Relations Binomial Theorem Binomial Theorem for Positive Integral Index Composition of Functions and Invertible Function Types of Functions Types of Relations Properties of Inverse Trigonometric Functions Inverse Trigonometric Functions Basic Concepts of Inverse Trigonometric Functions Types of Matrix Transpose of a Matrix Symmetric and Skew Symmetric Matrices Invertible Matrices Operations on Matrices Determinants Determinants Integration as Inverse Process of Differentiation Differentiation Standard Deviation Assumed Mean Method Correlation and Regression Z Score Table Cube and Cuboid Overview DIMENSIONS OF PHYSICAL QUANTITIES DIMENSIONAL FORMULAE Significant Figures DIMENSIONAL ANALYSIS AND ITS APPLICATIONS INTERNATIONAL SYSTEM OF UNITS Overview Change of State Ideal Gas Equation and Absolute Temperature Thermal Expansion Heat Transfer Specific Heat Calorimetry Temperature and Heat Measurement of Temperature Thermodynamic Process Carnot Engine Reversible and Irreversible Process Thermal Equilibrium Thermodynamic State Variables Equation of State Overview First Law of Thermodynamics Second Law of Thermodynamics Behaviour of Gases Kinetic Theory of Ideal Gas Overview Periodic and Oscillatory Motion Simple Pendulum Simple Harmonic Motion Overview Speed of a Travelling Wave Displacement Relation in a Progressive Wave Superposition Principle Beats Reflection of Waves Kinematic Equation Uniformly of Accelerated Motion Instantaneous Velocity and Speed Overview Acceleration Resolution of Vectors Vector Addition by Analytical Method Scalars and Vectors Multiplication of Vectors by Real Numbers Addition and Subtraction of Vectors Overview Projectile Motion Motion in a Plane Conservation of Momentum Equilibrium of a Particle Circular Motion Common Forces in Mechanics Solving Problems in Mechanics Conservation of Mechanical Energy Potential Energy of Spring Power Kinetic Energy Collision Work Concept of Potential Energy Moment of Inertia Overview Centre of Mass Vector Product of Two Vectors Torque and Angular Momentum Motion of Centre of Mass Equilibrium of a Rigid Body Overview Angular Velocity and Relation with Linear Velocity Dynamics of Rotational Motion About a Fixed Axis Kinematics of Rotational Motion About a Fixed Axis Angular Momentum of Rotation About a Fixed Axis Keplers Law Overview Escape Speed Earth Satellites Energy of an Orbiting Satellite Stress Strain Curve Elastic Moduli Applications of Elastic Behaviour of Materials Surface Tension Bernoulli Principle Pressure in Fluids Viscosity Streamline Flow Forces between Multiple Charges Conductors and Insulators Basic Properties of Electric Charge Electric Charge Electric Charge and Field Electric Flux Electric Charge and Field Electric Field Lines Continuous Charge Distribution Interference Light Waves Youngs Experiment Refraction Reflection Plane Wave Huygens Principle Refraction Reflection Plane Wave Huygens Principle Einstein Photoelectric Theory Photoelectric Effect Wave Theory Light Photoelectric Effect Electron Emission Overview Bohr Model of Hydrogen Atom Radioactivity Physics Nuclei Overview Size of Nucleus Binding Energy Nuclear Energy Semiconductor Devices Overview Semiconductor Devices Overview Semiconductor Diode Diode as Rectifier Intrinsic Semiconductor Extrinsic Semiconductor Overview Potential Due to Point Charge Combination of Capacitors Electrostatic Potential Energy Stored in a Capacitor Capacitors and Capacitance Effect of Dielectric on Capacitance Electrostatics of Conductors Potential Energy of a System of Charges Potential due to a System of Charges Electric Current Overview Electrical Energy and Power Temperature Dependence of Resistivity Wheatstone Bridge Overview Ohms Law Kirchhoffs Law Drift of Electrons and the Origin of Resistivity Torque on Current Loop Magnetic Dipole Motion in Magnetic Field Solenoid Magnetic Field due to a Current Element Magnetic Field on Axis of Circular Current Loop Ampere Circuital Law Magnetic Force Overview Moving Coil Galvanometer Magnetism and Matter Magnetic Properties of Materials Magnetisation and Magnetic Intensity Bar Magnet Electromagnetism Motional Electromotive Force Experiments of Faraday and Henry Alternating Current Overview Transformer AC Voltage Applied to a Resistor AC Voltage Applied to an Inductor AC Voltage applied to a Capacitor AC Voltage applied to a Series LCR circuit Representation of AC Current and Voltage by Vector Electromagnetic Spectrum Electromagnetic Waves Displacement Current Total Internal Reflection Refraction through a Prism Optical Instruments Derivation of Lens Formula Reflection of Light by Spherical Mirrors Refraction at Spherical Surface and by Lenses Derive Equation of Motion by Calculus method Alternating Current Overview Mole Concept and Molar Mass STOICHIOMETRY AND STOICHIOMETRIC CALCULATIONS Percentage Composition Laws of Chemical Combination Atomic and Molecular Masses Properties of Matter and their Measurement Importance of Chemistry Overview Overview Atomic Models Discovery of Sub Atomic Particles Towards Quantum Mechanical Model of Atom Quantum Mechanical Model of Atom Electronic Configuration Types of Elements Periodic Table Electronic Configuration of Element Periodic Trends in Properties of Elements Genesis of Periodic Classification Nomenclature of Elements with Atomic Numbers Present Form of Periodic Table Chemical Bonding and Molecular Structure Hybridization Valence Bond Theory Molecular Orbital Theory Hydrogen Bonding Ionic or Electrovalent Bond Kossel-Lewis Approach to Chemical Bonding Bond Parameters Bonding in Homonuclear Diatomic Molecules VSEPR Theory Applications of Chemical Bonding Equilibrium Processes Homogeneous Equilibria Factors Affecting Equilibria Applications of Equilibrium Constant Ionization of Acids and Bases Ionic Equilibrium in Solution Equilibrium in Chemical Processes Solubility Equilibria of Sparingly Soluble Salts Heter Heterogeneous Equilibria Oxidation Number Classification of Organic Compounds Isomerism Nomenclature of Organic Compounds Quantitative Analysis Qualitative Analysis of Organic Compounds Overview Structural Representations of Organic Compounds Fundamental Concepts in Organic Reaction Mechanism Tetravalence of Carbon Shapes of Organic Compounds Methods of Purification of Organic Compounds Classification Alkanes Alkenes Alkynes Aromatic Hydrocarbon Carcinogenicity and Toxicity Abnormal Molar Mass Colligative Properties and Molar Mass Solubility Proteins Vitamins Carbohydrates Enzymes Hormones Nucleic Acids Electrolytic Cells and Electrolysis Corrosion Galvanic Cell Fuel Cells Nernst Equation Electrochemical Cells Batteries Rate of Reaction Integrated Rate Equations Collision Theory of Chemical Reactions Temperature Dependence of the Rate of a Reaction Factors Influencing Rate of a Reaction Bonding in Metal Carbonyls Difference between Glucose and Fructose

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Where can I access the JAC Class 12 exam date sheet 2026?

Answered a week ago

The board released the JAC class 12 time table 2026 online on its website. Students can visit jac.jharkhand.gov.in to downloaf the Jharkhand Board 12th exam date sheet 2026. We have also provided the updated JAC Inter exam date sheet 2026 on this page.

Md Shahzad

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