BSE Odisha 10th Supplementary 2026 Science: Good Attempts for Minimum Passing Marks

To score minimum passing marks in BSE Odisha Class X Supplementary 2026 Science, you should attempt all 50 MCQs and subjective questions worth at least 20-25 marks — targeting a combined 40-50 marks across both sections gives you a safe margin above the 30-mark passing threshold.

The BSE Odisha 10th Supplementary 2026 Science exam is scheduled for June 26, 2026. This is the second-chance exam for students who could not clear Science in the main Odisha Board Class X examination. The Science paper carries a total of 100 marks split between an objective MCQ section (50 marks) and a subjective section (50 marks). Minimum passing marks is 30 out of 100, with no negative marking in the objective section.

• Exam date: June 26, 2026 | Official website: bseodisha.ac.in
• Total marks: 100 (50 marks objective + 50 marks subjective)
• Minimum passing marks: 30 out of 100 as per BSE Odisha norms
• No negative marking — attempt all 50 MCQs in the objective section
• Safe theory target for a comfortable pass: 40-50 marks

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BSE Odisha 10th Science Supplementary 2026 Paper Pattern

The BSE Odisha Class X Science paper for the supplementary exam follows the same pattern as the main board exam. The paper is for 100 marks and is divided into two broad sections: an objective MCQ section and a subjective section. Based on previous years’ patterns, the breakdown is as follows:

Key exam facts for the BSE Odisha 10th Supplementary 2026 Science paper:

• Duration: 2 hours 30 minutes
• Negative marking: None — attempt every MCQ
• Minimum passing marks: 30 out of 100
• Syllabus: Physics, Chemistry, and Biology from the Odisha Board Class X curriculum

The objective section covers definitions, formulas, one-liners, and concept-based questions across all three science streams. The subjective section includes short-answer (2-3 marks) and long-answer (5 marks) questions with options to choose from, based on previous years’ trends.

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Good Attempts by Section for Minimum Passing Marks

The minimum passing marks in BSE Odisha Class X Science is 30 out of 100. To reach this threshold safely, you should target a combined score of 40-50 marks, which gives you a comfortable buffer for any MCQs where you are unsure.

Since there is no negative marking in the objective section, never leave an MCQ blank. Even an educated guess improves your score. In the subjective section, partial marks are awarded for steps, formulas, and labeled diagrams — so attempting a question you partially know is always worthwhile.

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Section-wise Strategy to Clear the BSE Odisha 10th Supplementary Science Paper

Objective Section — MCQs (50 Marks)
Attempt all 50 MCQs without exception. This is the most time-efficient section — allocate about 40-45 minutes. Focus on recalling definitions, formulas, and key facts from Physics, Chemistry, and Biology. If you are unsure about an answer, eliminate clearly wrong options and choose the most logical remaining one. Getting just 20 MCQs correct already puts you at the minimum passing mark before you even open the subjective section.

Subjective — Short Answer Questions (2-3 Marks Each)
These questions carry 2-3 marks each, making them high-value for the effort required. Attempt 4-6 questions from topics you studied well. Write answers in 3-5 clear sentences with key terms bolded or underlined. You do not need a perfect answer — hitting 2 of 3 points earns partial marks. Strong topics for short answers: Chemical Reactions, Ohm’s Law, Photosynthesis, Nervous System, and Heredity.

Subjective — Long Answer Questions (5 Marks Each)
Attempt 2-3 long answer questions from your strongest chapters. Structure each answer with an introduction, a main explanation in 6-8 sentences or numbered points, and a labeled diagram wherever relevant. Diagrams for the human eye, reflex arc, nephron, and electric circuit fetch full diagram marks even if the written part is incomplete. A well-presented partial answer commonly earns 3-4 out of 5 marks.

Time Management on Exam Day
Allocate your 2.5 hours wisely: 40-45 minutes for MCQs, 50-55 minutes for short-answer questions, 40-45 minutes for long-answer questions, and 10 minutes to review. Do not spend more than 1 minute on any single MCQ — move on and return if time permits.

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Last-Minute Tips for BSE Odisha 10th Supplementary Science 2026

• Prioritise the highest-weight chapters: Chemical Reactions and Equations, Electricity, Light, Life Processes, and Control and Coordination — these consistently appear across all sections based on previous years’ trends.
• Revise key formulas: Ohm’s Law (V = IR), Lens Formula (1/v ? 1/u = 1/f), Power (P = VI), and Resistance in series (R = R1 + R2) and parallel (1/R = 1/R1 + 1/R2).
• Practice drawing and labelling these diagrams: Human Eye, Nephron, Reflex Arc, Plant Cell, Animal Cell, and Electric Circuit. Labeled diagrams alone can fetch 1-2 marks per question.
• For Chemistry, memorise the types of chemical reactions (combination, decomposition, displacement, double displacement, redox) with one example each.
• For Biology, revise transportation in plants and animals, reproduction in organisms, and the endocrine system — these are frequently tested in long-answer format.
• On June 26, 2026, carry your admit card and a valid photo ID. Report to the exam centre at least 30 minutes before the start time.

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