ICSE Class 10 Assessment Biology PDF Download (2025)
Find your icse class 10 assessment biology papers here. This page hosts one downloadable PDF from the 2025 assessment series, along with guidance on how to use it for exam preparation. You can also browse our main Class 10 resource hub for other subjects.
The table below provides the direct download for the 2025 Biology assessment. Before you click download, read the sections below to understand the paper pattern, the topics covered, and how to avoid common mistakes.
Download ICSE Class 10 Biology Assessment PDF
These are the 1 assessment PDFs hosted on icseboard.org for ICSE Class 10 Biology, organised by subject. Each section below explains what those papers cover before the download table.
This group contains the 2025 ICSE Class 10 Biology assessment paper. The paper tests core syllabus topics including plant physiology, genetics, and cell division through multiple-choice and structured questions. Students should use this paper to practice for the board exam under timed conditions.
| Paper | Download |
|---|---|
| Assessment Biology (2025) | Download PDF |
What the 2025 Biology Assessment Covers Inside
The 2025 assessment tests your understanding of the CISCE-aligned Class 10 Biology syllabus. The questions trace directly back to the core textbook chapters. You will see questions on cell structure, genetics, plant physiology, and human anatomy.
For example, the paper asks about the phenotypic monohybrid ratio in the F2 generation. This comes straight from the chapter on Genetics: Some Basic Fundamentals. You need to know Mendel’s laws and the difference between genotype and phenotype.
The paper also asks about plasmolysis and guttation. These topics come from the chapter on Absorption by Roots. You must understand osmosis, root pressure, and how water moves through a plant.
- Cell Biology: Structure of chromosomes, cell cycle stages, and the literal meaning of chromosome.
- Genetics: Monohybrid crosses, phenotypic ratios, and sex-linked inheritance.
- Plant Physiology: Photosynthesis factors, transpiration, guttation, and plasmolysis.
- Human Biology: Blood groups, antibodies, and the circulatory system.
Exam Mapping: Marks and Time Allowed
The 2025 assessment papers follow a specific format. You need to know the exact rules for each paper before you sit down to write. The papers differ in their stated marks and time allowed, so check the details for your specific assessment.
| Paper | Year | Maximum Marks | Time Allowed |
|---|---|---|---|
| Assessment 1 (250925) | 2025 | Not stated in excerpt | Not stated in excerpt |
| Assessment 1 (280925) | 2025 | 80 | Two hours |
| Assessment 1 (300925) | 2025 | Not stated in excerpt | Two hours |
Every paper uses the same structure. Section A is compulsory and contains a 15-mark multiple-choice question. You must attempt any four questions from Section B. The first 15 minutes of the exam are for reading the question paper only. You cannot write during this time.
Topic Frequency Across the 2025 Papers
Looking at the three 2025 assessment excerpts, certain topics appear repeatedly. The examiners favor plant physiology and genetics. You should prioritize these areas in your revision.
- Plant Physiology: Questions on guttation, plasmolysis, transpiration, and root pressure appear in the 250925 and 300925 papers.
- Genetics: The monohybrid phenotypic ratio appears in the 250925 paper. Blood groups and antibodies appear in the 280925 paper.
- Cell Division: Chromosome structure and the equatorial plate appear in the 250925 and 300925 papers.
- Human Anatomy: Oxygenated blood supply to the heart appears in the 300925 paper.
How to Use This Material for Exam Preparation
Use this assessment paper to test your readiness for the actual board exam. Do not just read the questions. Sit down with a pen and paper and attempt the paper under timed conditions.
- Simulate the exam: Give yourself two hours if your paper allows it. Use the first 15 minutes to read the paper without writing.
- Attempt Section A first: The 15-mark MCQ section tests your basic recall. Do not copy the questions; write the correct answer only.
- Choose Section B wisely: Read all the questions in Section B before you choose your four. Pick the ones you know best.
- Check your answers: Use your textbook to verify your answers. For example, if you wrote that root pressure causes guttation, check the chapter on Absorption by Roots.
You can find more study materials in our Class 10 books section. For official updates, always check the CISCE website.
Common Mistakes Students Make While Studying
Students lose marks in Biology because of small errors. The assessment excerpts show exactly where students go wrong. Here are the common mistakes and how to avoid them.
| Mistake | Correct Rule | How to Check |
|---|---|---|
| Confusing genotype and phenotype ratios | The phenotypic monohybrid ratio in F2 is 3:1. The genotypic ratio is 1:2:1. | Write the Punnett square and count the physical traits, not the alleles. |
| Writing the wrong cause of guttation | Guttation is caused by root pressure, not osmotic pressure. | Remember that guttation happens at night when transpiration is low. |
| Mixing up hypotonic and hypertonic solutions | A plant cell plasmolyses in a hypertonic solution because water moves out. | Link “hyper” to “shrivel” and “hypo” to “swell”. |
Worked Example: Monohybrid Cross
The 250925 paper asks for the phenotypic monohybrid ratio in the F2 generation. Here is how you solve a standard monohybrid cross problem.
Let us cross a tall pea plant (TT) with a short pea plant (tt). The F1 generation will all be tall (Tt) because tall is dominant. When you cross two F1 plants (Tt x Tt), you get the F2 generation.
The Punnett square for Tt x Tt gives you one TT, two Tt, and one tt. So the genotypic ratio is 1 TT : 2 Tt : 1 tt. The phenotypic ratio is 3 tall : 1 short. This is the 3:1 ratio the exam expects.
Marking Scheme Tips from the Paper
The assessment paper uses mark tags like [15] to show how much each question is worth. Your answer length should match the marks.
- [15] marks: The MCQ section. Write only the correct option. Do not copy the question.
- Section B questions: These usually carry 10 marks each. Give labeled diagrams wherever possible. Biology answers need diagrams to score well.
- Assertion-Reason questions: Read both statements carefully. Check if the reason explains the assertion, or if they are just both true.
Frequently Asked Questions
What is the format of the ICSE Class 10 assessment biology paper?
The paper has two sections. Section A is compulsory and starts with a 15-mark multiple-choice question. Section B requires you to attempt any four questions. The first 15 minutes are for reading only.
How much time do I get to write the 2025 biology assessment?
The 280925 paper allows two hours for an 80-mark paper. The 300925 paper also allows two hours. The 250925 paper does not state its time limit in the excerpt. You get 15 minutes of reading time before the writing time begins.
What topics should I study for this biology assessment?
Focus on plant physiology, genetics, and cell division. The 2025 papers ask about photosynthesis, guttation, plasmolysis, the monohybrid ratio, and chromosome structure. Use your CISCE-aligned textbook chapters on these topics.
Does this page provide solved answers for the assessment?
No. This page hosts the assessment paper PDF and guidance on how to use it. It does not provide a solution set. You must use your textbook to check your answers.
More ICSE study material on this site
Reference: CISCE-aligned ICSE Class 10 textbook material.