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Academic Session 2026-27

Tamil Nadu Board Class 10 Exam Pattern 2026-27

Complete TNBSE Class 10 Board Exam Marking Scheme & Assessment Structure

80 Marks Theory + 20 Marks Internal • 2.5 Hours Duration • 35% Passing Criteria

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80 Theory Marks 20 Internal Marks 2.5 Hours Duration 35% Passing Criteria

Tamil Nadu Board Class 10 Board Exam Overview 2026-27

Exam Duration

2.5 Hours per subject

Total Marks

100 per subject

Theory Marks

80 per subject

Passing Marks

35% in each subject

Note: Students must secure a minimum of 35% marks in each subject to pass the board examination. The marks are calculated by combining theory and internal assessment scores.

Assessment Structure

Theory Examination (80 Marks)

  • Written Board Examination: Conducted at the end of the academic year
  • Question Types: Objective (MCQ), Short Answer, Long Answer
  • Duration: 2.5 hours per subject
  • Coverage: Full syllabus as prescribed by TNBSE
  • Design: Conceptual understanding, application, and analytical skills
  • Map Work: Included in Social Science (4-5 marks)
  • Diagram Work: Included in Science (4-5 marks)

Internal Assessment (20 Marks)

  • Periodic Tests (10 marks): Three periodic tests throughout the year
  • Notebook Submission (5 marks): Regular notebook maintenance and completeness
  • Subject Enrichment (5 marks): Project work, activities, practicals
  • Map Work (Social Science): Included in enrichment activities
  • Oral Tests: Speaking and listening skills evaluation (Languages)
  • Practical Work: Science laboratory experiments
  • Project Work: Subject-specific projects and presentations

Subject-Wise Marking Scheme 2026-27

Subject Theory Internal Total Duration Passing
Tamil 80 20 100 2.5 hours 35%
English 80 20 100 2.5 hours 35%
Mathematics 80 20 100 2.5 hours 35%
Science 80 20 100 2.5 hours 35%
Social Science 80 20 100 2.5 hours 35%
Important: All subjects carry equal weightage of 100 marks. Students must secure a minimum of 35% marks in each subject to pass the board examination.

Subject-Wise Board Exam Pattern 2026-27

Tamil (தமிழ்) Board Exam Pattern - 80 Marks

Section Question Type Marks
Section A Objective Questions (MCQs, Fill in the blanks, True/False, Match the following) 20
Section B Short Answer Questions (2-3 mark questions) 25
Section C Long Answer Questions (4-6 mark questions) 25
Section D Grammar, Composition, and Literature-based Questions 10
Total 80

English Board Exam Pattern - 80 Marks

Section Question Type Marks
Section A Reading Comprehension (Unseen passages with questions) 15
Section B Objective Questions (MCQs, Fill in the blanks, True/False) 15
Section C Short Answer Questions (2-3 mark questions) 25
Section D Long Answer Questions (4-6 mark questions) 25
Total 80

Mathematics Board Exam Pattern - 80 Marks

Section Question Type Marks
Section A Objective Questions (MCQs, Fill in the blanks, True/False) 20
Section B Short Answer Questions (2-3 mark questions) 25
Section C Long Answer Questions (4-5 mark questions) 25
Section D Higher Order Thinking Questions (6 mark questions) 10
Total 80

Tip: Show complete steps in long answer questions. Marks are awarded for the method and approach, not just the final answer.

Science Board Exam Pattern - 80 Marks

Section Question Type Marks
Section A Objective Questions (MCQs, Fill in the blanks, True/False) 20
Section B Short Answer Questions (2-3 mark questions) 25
Section C Long Answer Questions (4-5 mark questions) 25
Section D Diagram-based Questions and Practical-based Questions 10
Total 80

Note: Practice diagrams and labeling. Focus on scientific terms and concepts. Diagram-based questions carry significant marks.

Social Science Board Exam Pattern - 80 Marks

Section Question Type Marks
Section A Objective Questions (MCQs, Fill in the blanks, True/False) 20
Section B Short Answer Questions (2-3 mark questions) 25
Section C Long Answer Questions (4-5 mark questions) 25
Section D Map Work (Geography and History) - 4-5 marks 10
Total 80

Map Work: Focus on India map, Tamil Nadu map, and historical places. Practice labeling and marking. Map-based questions carry 4-5 marks in the board exam.

Passing Criteria & Promotion Rules

Minimum Marks

35% in each subject

Combined theory + internal

Internal Assessment

Mandatory

20 marks per subject

Overall Promotion

Must pass all subjects

Supplementary exams available

Important: Students must secure a minimum of 35% marks in both theory and internal assessment components combined. Failure in any subject requires re-examination through supplementary exams.

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