CBSE Exam 2025: Tips, strategies for Class 10 students to ace Physics, Chemistry and Biology

By Kiran Shivaji Ahire

NEW DELHI: "Exams are not just a test of memory but a test of diligence, strategy, and perseverance." This quote resonates deeply with the countless students preparing for the CBSE board exams 2025. These exams mark a pivotal moment in academic life, often determining the future opportunities.

Among the subjects, science holds particular significance for its conceptual and application-based approach. As a seasoned science teacher and CBSE evaluator, I have witnessed how a structured study plan can dramatically enhance performance. This article outlines effective strategies to help Class 10 CBSE students excel in science, offering insights for students and parents alike.

The CBSE board exams 2025 for Class 10 and Class 12 are scheduled to be held from February 15. The Class 10 exams will conclude on March 18, while the Class 12 exams will end on April 4. The CBSE admit card 2025 for both the classes were issued on February 3.

CBSE Board Exam: Exam pattern, syllabus

The CBSE board exam 2025 preparation begins with understanding the structure and expectations of the exam. The CBSE science paper is designed to evaluate conceptual understanding, analytical ability, and application skills. Familiarity with the syllabus and weightage of each chapter is critical for focused preparation.

CBSE Sample Paper: Science, NCERT textbook

• Section A (Objective-type questions): These require clarity and precision. Practice answering in one line or choosing the most accurate option.
• Section B (Short-answer questions): Write concise responses that directly address the question.
• Sections C and D (Application-based and long-answer questions): Develop detailed answers, incorporating diagrams and examples where applicable.

A clear understanding of this structure allows students to allocate time effectively during the exam.

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The NCERT textbook is the cornerstone of CBSE board exam preparation. Most exam questions are derived directly or indirectly from its content. Students should thoroughly study every chapter, paying close attention to in-text questions, exercises, and examples. Supplementary materials, such as CBSE question banks, can help broaden understanding and provide additional practice.

CBSE Class 10: Subject-specific strategies for science

Each branch of Science — Physics, Chemistry, and Biology — demands a tailored approach to preparation. Here are some tips for excelling in each subject:

CBSE Class 10 Physics

• Focus on conceptual clarity: Avoid rote learning; instead, ensure a deep understanding of principles and their applications.
• Practice numericals regularly: Always show detailed steps. Begin with the formula, substitute the values, and provide the final answer with appropriate units.
• Perfect Your Diagrams: Learn to draw ray diagrams and circuit diagrams neatly, ensuring all labels are accurate and clear.

CBSE Class 10 Chemistry

• Master chemical equations: Balancing chemical equations is fundamental. Pay attention to exceptions and reaction mechanisms.
• Use quick revision tools: Create concise notes of formulas, periodic trends, and reaction types for quick daily revision.
• Focus on applications: Study practical concepts like electrolysis, pH, and the uses of compounds, as these often appear in exams.

CBSE Class 10 Biology

• Prioritise diagrams: Diagrams such as the human heart, leaf structure, and digestive system must be well-drawn and labeled.
• Explain logical sequences: Write processes like photosynthesis and respiration in a clear, step-by-step manner.
• Use scientific terminology: Incorporate specific keywords like "zygote," "osmosis," and "enzyme" to demonstrate subject mastery.

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Creating a study timeline

Planning your study schedule is critical, especially in the final months leading up to the exam. A well-structured timeline ensures balanced preparation.

Early February

• Prioritise high-weightage chapters.
• Dedicate time daily to revising diagrams, equations, and numericals.
• Practice one mock test daily under timed conditions to build exam temperament.

One Week Before the CBSE board exam

• Avoid introducing new topics. Instead, focus on reinforcing previously learned material.
• Review key formulas, definitions, and diagrams multiple times.
• Take regular breaks to maintain mental clarity and avoid burnout.

CBSE board exam: Presentation tips

Having evaluated numerous CBSE science answer sheets, I can attest that presentation plays a crucial role in securing marks. These tips can make a significant difference:

• Maintain a logical format: For numericals and long answers, follow a structured approach. Show all steps clearly, underline formulas, and highlight key points.
• Neatness matters: Neatly written answers, with underlined headings and labeled diagrams, are more likely to score well.
• Precision over length: Focus on answering exactly what the question demands. Irrelevant details do not fetch extra marks.
• Accurate diagrams: Ensure diagrams are well-drawn and labeled. For example, in Biology, labels must correspond precisely to the diagram parts.

CBSE 2025: Common pitfalls to avoid

Even diligent students sometimes lose marks due to avoidable mistakes. Here are some common pitfalls and ways to address them:

• Lack of units: Always include the correct units in Physics numericals. Marks are often deducted for missing units.
• Unbalanced equations: In Chemistry, check and double-check that all chemical equations are balanced.
• Incomplete diagrams: Incomplete or poorly labeled diagrams in Biology and Physics can result in significant mark loss.
• Neglecting subparts: Pay attention to all subparts of a question. Missing even one can lead to unnecessary mark deduction.

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CBSE Board Exam 2025: Parents’ role in preparation

Parents play a vital role in supporting their child's preparation. Here's how they can help:

• Create a positive environment: Ensure a quiet, distraction-free study space. Encourage regular breaks to avoid fatigue.
• Monitor progress: Without micromanaging, track their preparation and offer gentle reminders for revisions and mock tests.
• Promote healthy habits: Encourage a balanced diet, adequate sleep, and regular physical activity to keep stress levels in check.
• Offer emotional support: Be a source of motivation and reassurance. A calm, composed parent fosters confidence in the child.

10 Class Board Exam: Words of wisdom

Success in exams is the result of a combination of hard work, smart strategies, and confidence. Having evaluated numerous answer sheets, I’ve seen how students who focus on step-by-step presentation and clear organisation skills excel. Remember, neatness, accurate diagrams, and precision in answers make a significant difference.

"The future belongs to those who prepare for it today." These words by Malcolm X highlight the importance of consistent effort and preparation. As you approach your Science exam, trust your preparation, stay calm, and give it your best.

CBSE Board: Way to success

The Grade 10 CBSE Science exam is an opportunity to demonstrate your understanding and application of fundamental concepts. With a structured approach, consistent practice, and a positive mindset, success is well within reach. Parents, too, have a crucial role to play in providing the right environment and support for their children.

Remember, exams are not just a test of knowledge but a journey of perseverance and growth. With these strategies, both students and parents can navigate this crucial period confidently and achieve outstanding results. Trust your efforts, believe in yourself, and take on the exam with determination — you’ve got this!

The author is Senior Academic Manager, Orchids Career Foundation Program (OCFP), Orchids The International School