Class 12 Mock Tests, Practice Questions

Biology

10 mock tests

300 questions

Botany, zoology, genetics, ecology, human physiology...

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Chemistry

10 mock tests

301 questions

Physical, organic, inorganic chemistry — equilibrium, kinetics, electrochemistry, coordination compounds...

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Mathematics

10 mock tests

279 questions

Algebra, calculus, coordinate geometry, trigonometry, probability, statistics...

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Physics

8 mock tests

245 questions

Mechanics, optics, thermodynamics, electricity, modern physics, electromagnetic waves...

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Practice tests for Topics/Chapters

Sample Questions

Class 12 Chemistry

The number of water molecules directly bonded to the metal centre in CuSO₄·5H₂O is:

A 4

B 5

C 0

D 2

Class 12 Physics

Two point charges +4q and +q are separated by a distance 3a. The position on the line joining the charges where the electric field is zero is:

A a from +4q

B 2a from +4q

C 1.5a from +4q

D at infinity

Class 12 Chemistry

In DNA, guanine pairs with cytosine through how many hydrogen bonds?

A One

B Two

C Three

D Four

Class 12 Physics

A convex lens of focal length 20 cm is dipped in water. Its focal length will:

A Increase

B Decrease

C Remain the same

D Become zero

Class 12 Chemistry

Starch is a polymer of which monosaccharide?

A α-D-glucose

B β-D-glucose

C Fructose

D Galactose

Class 12 Physics

Two point charges +q and -q are placed at (0, 0, a) and (0, 0, -a) respectively. The electrostatic potential at a point on the equatorial plane at distance r from the origin (where r >> a) is approximately:

A 2kqr/a²

B -2kqr/a²

C 0

D kq/r²

Class 12 Physics

In an AC circuit, the voltage is given by V = 200 sin(100t) volts and the current is I = 200 sin(100t + π/3) amperes. The power factor of the circuit is:

A 0.5

B 0.707

C 1

D 0.866

Class 12 Mathematics

If A and B are invertible matrices of the same order, then (AB)⁻¹ is:

A B⁻¹A⁻¹

B A⁻¹B⁻¹

C A⁻¹ + B⁻¹

D B⁻¹ + A⁻¹

About {{name}} Class 12

Class 12 (CBSE/NCERT) is the final year of higher secondary school in the Indian education system. As per the NCERT curriculum and CBSE board guidelines, Class 12 students study advanced subjects in Physics, Chemistry, Mathematics/Biology, English, and additional subjects, preparing for both board examinations and competitive exams like JEE Advanced, NEET, CUET, GATE, and international university admissions.

Subjects and Topic Coverage (NCERT/CBSE) — Science Stream:
- Physics: Electrostatics (Charge, Field, Potential, Gauss Law), Electrostatic Potential & Capacitance, Current Electricity (Ohm Law, Kirchhoff Laws, Wheatstone Bridge), Moving Charges & Magnetism (Biot Savart, Ampere), Magnetism & Matter, Electromagnetic Induction (Faraday, Lenz), Alternating Current, Electromagnetic Waves, Ray Optics & Optical Instruments, Wave Optics, Dual Nature of Radiation, Atoms, Nuclei, Semiconductors (Electronic Materials & Devices)
- Chemistry: Solid State, Solutions, Electrochemistry, Chemical Kinetics, Surface Chemistry, General Principles of Metallurgy, p-Block Elements (Groups 15-18), d & f Block Elements, Coordination Compounds, Haloalkanes & Haloarenes, Alcohols Phenols Ethers, Aldehydes Ketones Carboxylic Acids, Amines, Biomolecules, Polymers, Chemistry in Everyday Life
- Mathematics: Relations & Functions, Inverse Trigonometric Functions, Matrices, Determinants, Continuity & Differentiability, Applications of Derivatives, Integrals, Applications of Integrals, Differential Equations, Vector Algebra, Three Dimensional Geometry, Linear Programming, Probability
- Biology: Reproduction, Human Reproduction, Reproductive Health, Principles of Inheritance & Variation, Molecular Basis of Inheritance, Evolution, Human Health & Disease, Strategies in Enhancement of Food Production, Microbes in Human Welfare, Biotechnology, Ecology & Environment
- English: Reading comprehension, grammar (tenses, modals, clauses, reported speech), writing (formal/informal letters, essays, reports, notices), literature (Flamingo & Vistas)

Exam Pattern:
- Total Questions: 30 (MCQ-based)
- Total Marks: 30 (1 mark per question)
- Duration: 30 minutes
- Negative Marking: None

Why Practice Class 12 Mock Tests: Class 12 board exams and competitive exams (JEE Advanced, NEET, CUET) are conducted simultaneously. NCERT-based practice ensures students master the complete syllabus and achieve excellent scores in both board exams and entrance tests.

Frequently Asked Questions — Class 12 Mock Tests

What is Class 12?

Class 12 is a competitive examination for admission to higher education and career programs. MockTests.org provides free mock tests for Class 12 covering 4 subjects including Biology, Chemistry, Mathematics. Each test replicates the real exam pattern, marking scheme, and difficulty level with detailed solutions and explanations. The exam duration is 30 minutes. The test includes negative marking for incorrect answers.

How many mock tests are available for Class 12?

We offer 4 subject-wise mock tests for Class 12 that simulates the complete exam experience. Each test follows the actual exam pattern and marking scheme, with 30 (MCQ-based) practice questions available across all subjects.

Is it free to take Class 12 mock tests?

Yes, all mock tests for Class 12 are completely free — no hidden charges, no premium subscriptions, no paywalls. Every test, solution, and result is free forever. You can start taking tests immediately without even creating an account.

How do I prepare for Class 12?

Start by taking a subject-wise test to assess your current level in each topic. Identify weak areas and practice with targeted tests to build confidence. Then take the full mock test under timed conditions to simulate the real exam. After each test, review every question with its step-by-step solution and explanation. If you have an account, track your score trends over time to measure improvement.

Do I need to create an account to take tests?

No, you can take tests as a guest — just click Select on any test and start immediately. However, creating a free account lets you save your test history, track progress over time, compare scores across different tests, and view detailed performance analytics for each subject.

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