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CBSE Class 10 Science Blueprint 2026 - Chapter Wise Weightage & Marking Scheme

By Ankit Gupta

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Updated on 19 Feb 2026, 11:22 IST

The CBSE Class 10 Science Blueprint 2026 is an important document for students preparing for the board exams. It clearly explains how the question paper is designed, how marks are distributed, and which units and chapters carry more weightage. By understanding the class 10 science blueprint 2026, students can plan their preparation in a structured and smart way.

The Science syllabus for Class 10 includes five main units and thirteen chapters. The theory paper carries 80 marks, and 20 marks are allotted for internal assessment. The total marks for the subject are 100. Going through the science blueprint class 10 2026 helps students focus on high-weightage topics and practice according to the marking scheme.

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Overview of CBSE Class 10 Science Blueprint 2026

The class 10 cbse science blueprint 2026 provides complete details about the structure of the question paper. It includes information about the types of questions, section-wise division, and unit-wise marks distribution.

Key Highlights of Science Blueprint 2026 Class 10 CBSE

ParticularsDetails
BoardCBSE
SubjectScience
Mode of ExamOffline
Duration3 Hours
Reading Time15 Minutes
Theory Marks80
Internal Assessment20
Total Marks100
Passing Criteria33% overall

The science class 10 blueprint 2026 shows that the board follows a balanced approach to testing knowledge, understanding, and application skills. There is no negative marking, so students can attempt all questions confidently.

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Question Paper Structure as per Science Blue Print Class 10 2026 CBSE

According to the science blueprint 2026 class 10 cbse, the question paper includes different types of questions. Nearly half of the paper consists of competency-based questions. These questions test analytical thinking and concept clarity.

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Types of Questions in Class 10 CBSE Science Blue Print 2026

Type of QuestionsWeightage
Competency-Based Questions50%
Multiple Choice Questions (MCQs)20%
Short and Long Answer Questions30%

The science class 10 blue print 2026 cbse ensures that students are tested not only on theory but also on application-based knowledge.

Section-wise Division in Blueprint of Class 10 CBSE 2026 Science

The blueprint of class 10 cbse 2026 science divides the question paper into five sections. There are a total of 39 questions.

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SectionType of QuestionsNumber of QuestionsMarks per QuestionTotal Marks
Section AMCQs20120
Section BShort Answer Type I6212
Section CShort Answer Type II7321
Section DLong Answer Type3515
Section ECase/Source-Based3412
Total 39 80

Students are given 15 minutes to read the paper before writing. The blue print of science class 10 2026 helps students understand how much time they should give to each section during the exam.

Division of Sections – Science Blueprint Class 10 2026 CBSE

As per the blueprint of science class 10 cbse 2026, the answer booklet must be divided into three parts:

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  • Section A – Biology
  • Section B – Chemistry
  • Section C – Physics

Students must write answers only in the correct section. Answers written in the wrong section will not be evaluated. This instruction is clearly mentioned in the class 10 science blueprint 2026 cbse.

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Unit-wise Weightage in Class 10 Science Blueprint 2026

The class 10 cbse science blue print 2026 gives clear unit-wise marks distribution. Understanding unit-wise weightage helps students decide which areas need more attention.

Unit-wise Marks Distribution

UnitTopics IncludedMarks
Unit 1: Chemical Substances – Nature and BehaviourChemical Reactions, Acids, Bases & Salts, Metals & Non-metals, Carbon Compounds25
Unit 2: World of LivingLife Processes, Control & Coordination, Reproduction, Heredity & Evolution25
Unit 3: Natural PhenomenaReflection & Refraction of Light, Human Eye12
Unit 4: Effects of CurrentElectricity, Magnetic Effects of Current13
Unit 5: Natural ResourcesOur Environment5
Total 80

From the science blueprint class 10 2026, Units 1 and 2 carry the highest marks. Students should give extra time to these units.

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Chapter-wise Marks Distribution – Class 10th Science Blueprint 2026

The science class 10th blueprint 2026 also provides chapter-wise marking details. This helps students focus on important chapters.

Chapter-wise Weightage Table

ChapterMarks
Chemical Reactions and Equations6
Acids, Bases and Salts3
Metals and Non-metals10
Carbon and its Compounds6
Life Processes9
Control and Coordination6
How do Organisms Reproduce3
Heredity and Evolution7
Light – Reflection and Refraction10
The Human Eye and the Colourful World2
Electricity7
Magnetic Effects of Electric Current6
Our Environment5
Total80

According to the blueprint for science class 10 2026, chapters like Metals and Non-metals and Light – Reflection and Refraction carry higher marks.

Detailed Marking Scheme – Blueprint of Science Class 10 CBSE 2026

The blueprint of science class 10 cbse 2026 explains what type of questions are asked from each chapter.

ChapterType of QuestionsMarks
Chemical ReactionsObjective & Short Answer6
Acids, Bases and SaltsObjective3
Metals and Non-metalsObjective, Short & Case-Based10
Carbon and its CompoundsObjective & Long Answer6
Life ProcessesObjective & Short9
Control & CoordinationObjective & Short6
ReproductionObjective3
Heredity & EvolutionObjective & Case-Based7
LightShort & Case-Based10
Human EyeShort2
ElectricityObjective & Long7
Magnetic EffectsObjective & Short6
EnvironmentShort5

The class 10 cbse science blueprint 2026 shows that both theory and application-based questions are included.

Internal Assessment – Class 10 Science Blueprint 2026 CBSE

The class 10 science blueprint 2026 cbse includes 20 marks for internal assessment. These marks are awarded by schools.

Internal Assessment Distribution

ComponentMarks
Periodic Tests5
Subject Enrichment Activities5
Practical / Lab Work5
Portfolio5
Total20

Students must perform well in internal activities to secure full marks.

Importance of Science Blueprint Class 10 2026

The science blueprint class 10 2026 cbse is more than just a marks distribution chart. It helps students:

  • Understand the pattern of questions.
  • Identify important units and chapters.
  • Prepare according to weightage.
  • Practice competency-based questions.
  • Improve time management.

When students follow the blue print of class 10 cbse 2026 science, they can reduce exam stress and study in a focused manner.

How to Use Blueprint for Science Class 10 2026 Effectively

Understanding the blueprint of science class 10 2026 is useful only if students apply it correctly.

Smart Preparation Tips

  1. Focus on High-Weightage Units: Give more time to Units 1 and 2 as they carry 25 marks each in the science class 10 blueprint 2026.
  2. Practice Case-Based Questions: Since competency-based questions carry 50% weightage, practice more application-based problems.
  3. Revise Important Diagrams and Equations: Many short and long answer questions come from key concepts.
  4. Solve Previous Year Papers: Follow the structure mentioned in the class 10th science blueprint 2026 while solving sample papers.
  5. Improve Time Management: Divide time according to sections mentioned in the science blue print class 10 2026 cbse.

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FAQs on CBSE Class 10 Science Blueprint 2026

What is the CBSE Class 10 Science Blueprint 2026?

The CBSE Class 10 Science Blueprint 2026 is an official structure that explains how the Science question paper is designed. It includes details about unit-wise marks, chapter-wise weightage, types of questions, and total marks distribution for the board exam.

How many marks are allotted in the class 10 science blueprint 2026?

As per the class 10 science blueprint 2026, the theory paper carries 80 marks and internal assessment carries 20 marks. The total marks for the subject are 100.

What is the unit-wise weightage in the science blueprint class 10 2026?

According to the science blueprint class 10 2026 CBSE, Units 1 and 2 carry 25 marks each, Unit 3 carries 12 marks, Unit 4 carries 13 marks, and Unit 5 carries 5 marks. Understanding this helps students focus on high-weightage units.

What types of questions are included in the science class 10 blueprint 2026?

The science blueprint 2026 class 10 CBSE includes competency-based questions, MCQs, short answer questions, long answer questions, and case-based questions. Around 50% of the paper is competency-based.

Is there any negative marking in class 10 CBSE science blue print 2026?

No, there is no negative marking mentioned in the class 10 CBSE science blueprint 2026. Students can attempt all questions without fear of losing marks for wrong answers.

How can students use the blueprint for science class 10 2026 for preparation?

Students can use the blueprint for science class 10 2026 to identify important chapters, focus on high-weightage topics, practice according to question types, and manage time effectively during preparation and in the final exam.