CBSE Class 10 Science Important Questions 2026: MCQs, Case Based & Descriptive Questions with Answers for Quick Revision

CBSE Class 10 Science Important Questions and Answers: In this article, we have shared chapter-wise important questions and answers for CBSE Class 10 Science Exam 2026 to help students with quick and effective last-minute revision. These questions are prepared by experienced subject experts after carefully analysing the latest CBSE syllabus 2025–26, sample question papers, and updated exam pattern.

Science is a vast subject, and revising everything just before the exam can be difficult. To make revision easier, we have compiled highly important and exam-oriented questions from all chapters, which are expected to help students score better in the CBSE Class 10 Science Board Exam 2026.

Key Features of CBSE Class 10 Science Important Questions 2026

• Chapter-wise coverage of the complete CBSE Class 10 Science syllabus

• Questions based on the latest CBSE exam pattern and marking scheme

• Includes MCQs, case-based questions, assertion–reason, and short & long answer questions

• Covers 2-mark, 3-mark, and 5-mark important questions

• Helpful for last-minute revision and quick practice

• Designed to improve concept clarity and exam confidence

These CBSE Class 10 Science important questions and answers are ideal for self-assessment, revision before exams, and practice as per board-level expectations. Students are advised to go through the chapter-wise questions given below and revise them thoroughly before the exam.

Related: CBSE Class 10 Maths Important Questions for Board Exam 2026

Chapter-wise CBSE Class 10 Science Important Questions and Answers

The important questions and answers of all chapters for CBSE Class 10 Science can be accessed from the table below:

Class 10 Science syllabus by CBSE board covers Chemistry, Physics and Biology within five units. These five units are based on seven broad themes: Food; Materials; The World of The Living; How Things Work; Moving Things, People and Ideas; Natural Phenomenon and Natural Resources. Questions from all these units will be asked in the upcoming exam.

Tips to Use CBSE Class 10 Science Important Questions for Exam Preparation

To get the maximum benefit from these important questions, students should follow a smart revision strategy before the exam:

• Focus on High-Weightage Chapters: Certain chapters like Life Processes, Control & Coordination, Acids & Bases, Electricity, and Heredity & Evolution carry more marks. Prioritize these chapters during last-minute revision.

• Practice MCQs and Case-Based Questions: These are increasingly appearing in the CBSE board exams. Attempting them will help improve speed, accuracy, and exam confidence.

• Revise Short & Long Answer Questions: Go through 2-mark, 3-mark, and 5-mark questions multiple times. They cover important concepts and formulae often repeated in board exams.

• Use Previous Year Questions (PYQs) Alongside: Cross-check these important questions with PYQs to understand exam trends and commonly asked questions.

• Time Yourself: While revising, try solving questions within the exam time frame to improve time management during the board exam.

• Make Quick Notes or Flashcards: Highlight key points, formulas, and definitions from the important questions for fast last-minute recall.

• Clarify Concepts: Don’t just memorize answers; ensure you understand the concept behind each question, which helps in answering application-based and case-study questions.

Note: These questions are provided for practice and revision purposes only. An ideal way to prepare for the CBSE Class 10 Science Board Exam 2026 is to refer to the prescribed NCERT textbooks, sample papers, and previous year question papers to get a complete understanding of all types of questions that may appear in the final exam. Alternatively, students can use these Important Questions and Answers for Class 10 Science, specially designed by subject experts, as a quick and effective revision tool.

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