The last day before the board exam is very important for every student. The CBSE Class 10 Science Board Exam is scheduled for 25 February 2026. This is the time when you should not start anything new. You should only focus on revision and strengthening what you have already studied. A proper CBSE Class 10 Science Board Exam 2026 One-Day Revision Plan can help you revise all three subjects in a clear and structured way.
Many students feel confused about what to study in the final 24 hours. They try to read the entire syllabus again. This often leads to stress and poor retention. A planned CBSE Class 10 Science Board Exam 2026 One-Day Revision Plan helps you stay calm and focused.
Here will guide you on how to revise Physics, Chemistry, and Biology in one day using a practical approach.
Why You Need a One-Day Revision Strategy
Science is a concept-based subject. It needs understanding and memory together. You have studied the chapters for months. Now your aim should be:
- Recall important formulas
- Revise diagrams
- Review definitions
- Practice important questions
- Understand common mistakes
A clear CBSE Class 10 Science Exam 2026 One-Day Revision Plan will help you revise all these points without panic.
CBSE Class 10 Science Exam 2026 One-Day Revision Plan
The CBSE Class 10 Science Board Exam will be conducted on 25 February 2026. Students should use the last day before the exam only for revision. A structured CBSE Class 10 Science Exam 2026 One-Day Revision Plan will help you revise important concepts from Physics, Chemistry, and Biology in a focused way.
Morning Session: Physics Revision
Start your day with Physics. Your mind is fresh in the morning. Physics needs logical thinking. Follow this CBSE Class 10 Science Exam 2026 One-Day Revision Plan for Physics:
1. Revise Important Chapters
Focus on chapters that carry high weightage and require formulas:
- Light – Reflection and Refraction
- Human Eye and Colourful World
- Electricity
- Magnetic Effects of Electric Current
- Sources of Energy
2. Revise All Formulas
Make sure you revise formulas from:
- Ohm’s Law
- Power Formula
- Mirror Formula
- Lens Formula
- Magnification
- Electric Power and Energy
Write the formulas once in a notebook. This improves recall.
3. Go through the ray diagrams
Check diagrams of:
- Image formation by a mirror
- Image formation by a lens
- Defects of vision
Diagram-based questions are common in the Science board exam revision plan.
4. Practice Numericals
Solve 4 to 5 numericals from Electricity and Light. Check units carefully. Do not try new questions now.
Afternoon Session: Chemistry Revision
Take a short break after Physics. Start Chemistry after lunch.
Use the same CBSE Class 10 Science Exam 2026 One-Day Revision Plan approach for Chemistry.
1. Revise Chemical Reactions
Revise types of reactions:
- Combination reaction
- Decomposition reaction
- Displacement reaction
- Double displacement reaction
- Redox reaction
Also, revise corrosion and rancidity.
2. Revise Acids, Bases, and Salts
Focus on:
- pH scale
- Uses of common salts
- Strength of acids and bases
- Chemical properties
Check the preparation of:
- Baking soda
- Washing soda
- Plaster of Paris
3. Revise Metals and Non-Metals
Understand:
- Reactivity series
- Extraction of metals
- Properties of metals and non-metals
- Corrosion prevention
4. Revise Carbon and Its Compounds
Focus on:
- Covalent bonding
- Homologous series
- Functional groups
- Ethanol and Ethanoic acid properties
This part is very important for the final CBSE Class 10 Science Exam 2026 One-Day Revision Plan.
Evening Session: Biology Revision
Biology needs memory and diagram practice. Follow this CBSE Class 10 Science Board Exam 2026 One-Day Revision Plan for Biology:
1. Revise Important Chapters
- Life Processes
- Control and Coordination
- How do Organisms Reproduce
- Heredity and Evolution
- Our Environment
2. Revise Diagrams
Practice diagrams of:
- Human digestive system
- Human heart
- Neuron
- Female reproductive system
- Eye
- Refraction through a prism
Label the diagrams properly.
3. Revise Definitions
Focus on definitions like:
- Reflex action
- Hormones
- Genes
- Alleles
- Ecosystem
- Biodegradable substances
These are scoring areas in the last-minute Science revision tips.
Night Session: Sample Paper and Important Questions
Now use the final hours of your CBSE Class 10 Science Exam 2026 One-Day Revision Plan wisely.
1. Solve One Sample Paper
Solve one sample paper in exam-like conditions. Check:
- Time management
- Question selection
- Answer presentation
2. Revise Mistakes
Go through:
- Previous errors
- Incorrect diagrams
- Missed formulas
Avoid repeating them in the exam.
What Not to Do in the Last 24 Hours
While following the CBSE Class 10 Science Exam 2026 One-Day Revision Plan, avoid:
- Starting new chapters
- Solving difficult questions
- Watching long lectures
- Comparing preparation with others
- Ignoring diagrams
- Skipping formulas
Stay confident in your preparation.
A planned CBSE Class 10 Science Exam 2026 One-Day Revision Plan helps you revise smartly instead of studying randomly. Focus on formulas in Physics, reactions in Chemistry, and diagrams in Biology. Revise important definitions and practice one sample paper.
The last day is not for learning new topics. It is for strengthening what you already know. If you follow this structured CBSE Class 10 Science Exam 2026 One-Day Revision Plan, you will enter the exam hall with clarity and confidence.