ICSE Class 10 Unit Tests 2026: All Subjects PDF Downloads
This page provides ICSE Class 10 unit tests for ten subjects, giving you direct PDF downloads for the 2025 academic session. You get one Unit Test I paper each for Biology, Chemistry, Computer Science, English, Geography, Hindi, History Civics, Mathematics, Physics, and Science. These are real school-level exam papers that mirror the CISCE syllabus structure, helping you check your preparation before the board exams.
Each paper tests the first-term syllabus for its subject. The downloads below are free, direct, and require no signup. For broader study material across all classes, you can also browse our ICSE books PDF free collection or the main Class 10 hub. Use these tests to find your weak chapters early.
Download ICSE Class 10 Unit Tests PDF
These are the 10 unit tests PDFs hosted on icseboard.org for ICSE Class 10, organised by subject. Each section below explains what those papers cover before the download table.
Biology
This 2025 Unit Test I paper tests cell division and genetics. Questions cover chromosome structure, nucleosomes, and crossing over during meiosis, with multiple-choice and short-answer formats.
| Paper | Download |
|---|---|
| Ut1 Biology (2025) | Download PDF |
Chemistry
This 2025 Unit Test I paper focuses on hydrogen chloride and covalent bonding. Students must draw electron dot structures, write balanced equations, and explain why HCl is a polar covalent compound.
| Paper | Download |
|---|---|
| Ut1 Chemistry (2025) | Download PDF |
Computer Science
This 2025 Unit Test I paper tests Java programming fundamentals. Questions cover punctuators, pure functions, access specifiers, and entry-controlled loops, with a 12-mark Section A.
| Paper | Download |
|---|---|
| Ut1 Computer Application (2025) | Download PDF |
English
This 2025 Unit Test I paper assesses language skills. It includes a formal letter on natural calamities, grammar fill-in-the-blanks, and sentence rewriting exercises.
| Paper | Download |
|---|---|
| Ut1 English Language (2025) | Download PDF |
Geography
This 2025 Unit Test I is a 10-mark paper on topographical maps. Questions test map colour identification, grid usage, and settlement patterns.
| Paper | Download |
|---|---|
| Ut1 Geography (2025) | Download PDF |
Hindi
This 2025 Unit Test I paper tests Hindi reading comprehension. Students read prose and poetry extracts and answer questions in Hindi.
| Paper | Download |
|---|---|
| Ut1 Hindi (2025) | Download PDF |
History Civics
This 2025 Unit Test I is a 10-mark paper. It covers the Indian National Congress and the President's oath of office, with multiple-choice and short-answer questions.
| Paper | Download |
|---|---|
| Ut1 History And Vicis (2025) | Download PDF |
Mathematics
This 2025 Unit Test I paper tests polynomials, matrices, and proportion. It includes multiple-choice questions and an Assertion-Reason format, with Section A worth 6 marks.
| Paper | Download |
|---|---|
| Ut1 Mathematics (2025) | Download PDF |
Physics
This 2025 Unit Test I paper focuses on work, energy, and power. Questions ask students to state conditions for positive and negative work, and derive expressions for kinetic and potential energy.
| Paper | Download |
|---|---|
| Ut1 Physics (2025) | Download PDF |
Science
This 2025 Unit Test I paper combines Physics and Chemistry, each worth 10 marks. The Physics section covers work and energy, while the Chemistry section tests chemical reactions and bonding.
| Paper | Download |
|---|---|
| Ut1 Science (2025) | Download PDF |
What These Unit Test Papers Cover Inside
Each PDF in the table is a Unit Test I paper from the 2025 session. They cover the first major chapters of the Class 10 syllabus. The papers follow different formats depending on the subject.
- Biology (2025): Tests cell division and genetics. Questions cover chromosomes, nucleosomes, and crossing over during meiosis.
- Chemistry (2025): Focuses on hydrogen chloride and covalent bonds. You must draw electron dot structures and write balanced equations.
- Computer Science (2025): Tests Java basics. Questions cover punctuators, pure functions, and access specifiers.
- English (2025): Includes a formal letter writing task on natural calamities, plus grammar exercises on prepositions and sentence rewriting.
- Geography (2025): A 10-mark paper on topographical maps. You identify colours, grid uses, and settlement patterns.
- Hindi (2025): Tests reading comprehension through prose and poetry extracts. Answers must be written in Hindi.
- History Civics (2025): A 10-mark paper. Questions cover the Indian National Congress and the President’s oath of office.
- Mathematics (2025): Tests polynomials, matrices, and proportion. Includes an Assertion-Reason question format.
- Physics (2025): Focuses on work, energy, and power. You must derive expressions for kinetic and potential energy.
- Science (2025): A combined paper split into Physics and Chemistry sections, each worth 10 marks.
How to Use These Papers for Exam Preparation
Downloading the papers is only the first step. To get real value, you need to use them like mock exams. Treat each paper as a diagnostic tool for your first-term preparation.
- Set a timer: Check the maximum marks on the paper and set a time limit. Geography and History Civics are 10-mark papers, so give yourself 20 minutes. Mathematics and Computer Science have larger sections, so allow 45 minutes.
- Write full answers: Do not just think through the answers. Write them down. For Chemistry, physically draw the electron dot structures for methane and nitrogen.
- Check against your textbook: After finishing, open your ICSE textbooks and verify each answer. Look for missing steps in Mathematics or incomplete definitions in Physics.
- Mark your errors: Note which questions you got wrong. If you missed the matrix multiplication question in Maths, revise matrix operations before the next test.
Marking Guidance From the Paper Tags
The papers use bracketed numbers like [2], [6], or (2.5) to show marks per question. Your answer length must match the marks.
- 1-mark or 2-mark questions: Give a direct answer. For fill-in-the-blanks in Chemistry, write only the missing word or phrase.
- 5-mark questions: Show full structure. For the English letter, include sender’s address, date, salutation, body, and sign-off.
- 6-mark questions: Show all working. In Maths, write the polynomial division steps. In Physics, write the formula, substitute values, and state the final unit.
Common Mistakes Students Make While Studying
Students lose marks on unit tests for predictable reasons. Knowing these errors helps you avoid them.
| Subject | Common Mistake | Correct Approach |
|---|---|---|
| Mathematics | Skipping steps in polynomial division | Write every division step. Examiners give marks for method, not just the final answer. |
| Physics | Forgetting to state the unit in the final answer | Always write the correct unit (Joules, Watts) after calculating a numerical answer. |
| Chemistry | Drawing wrong electron dot structures | Count the valence electrons first. Ensure every atom has a complete octet. |
| Geography | Confusing topographical map colours | Remember yellow means agricultural land, green means wooded areas. |
| Computer Science | Confusing pure and impure functions | A pure function does not change the state of its parameters. |
Worked Example: Calculating Work Done
The Physics and Science papers both ask questions on work, energy, and power. Here is a worked example matching the style in the 2025 papers.
Question: A boy weighing 350 N climbs up 30 steps, each 20 cm high. Calculate the work done.
Step 1: Find total height.
Total height = Number of steps × Height of one step
Total height = 30 × 20 cm = 600 cm = 6 m
Step 2: Use the work formula.
Work = Force × Displacement
Here, the force is the boy’s weight (350 N), and displacement is the vertical height (6 m).
Step 3: Calculate.
Work = 350 N × 6 m = 2100 Joules
Always state the final unit. The unit for work is Joules (J).
Frequently Asked Questions
How many subjects do these ICSE Class 10 unit tests cover?
The downloads cover ten subjects: Biology, Chemistry, Computer Science, English, Geography, Hindi, History Civics, Mathematics, Physics, and Science. Each subject has one Unit Test I paper from 2025.
Are these papers solved?
No. This page provides the question papers, not solution sets. You must solve the questions yourself and verify the answers using your textbooks.
What marks do these papers carry?
The marks vary by subject. Geography and History Civics papers carry 10 marks each. Computer Science Section A carries 12 marks. Mathematics Section A carries 6 marks. Always check the bracketed numbers on each paper for exact mark values.
Do these papers follow the current CISCE syllabus?
Yes. These are CISCE-aligned papers from the 2025 academic session. They test the first-term chapters of the Class 10 syllabus.
More ICSE study material on this site
Reference: CISCE-aligned ICSE Class 10 textbook material.