PREVIOUS YEAR PAPER · CBSE CLASS 12 · BIOLOGY · BOARD EXAM 2026 · Q.P. CODE 57/1/1
CBSE Class 12 Biology Board Paper 2026 (57/1/1) with Solutions
The CBSE Class 12 Biology board exam paper of 2026, Q.P. Code 57/1/1, exactly as set by CBSE: 33 questions, 70 marks, 3 hours. Write it in one sitting with the timer. Section A is marked the moment you submit; you then mark your written answers against our NCERT-based solutions.
General instructions.
- This question paper contains 33 questions. All questions are compulsory.
- Question paper is divided into FIVE sections – Section A, B, C, D and E.
- Section A – questions number 1 to 16 are multiple choice type questions. Each question carries 1 mark.
- Section B – questions number 17 to 21 are very short answer type questions. Each question carries 2 marks.
- Section C – questions number 22 to 28 are short answer type questions. Each question carries 3 marks.
- Section D – questions number 29 and 30 are case-based questions. Each question carries 4 marks. Each question has subparts with internal choice in one of the subparts.
- Section E – questions number 31 to 33 are long answer type questions. Each question carries 5 marks.
- There is no overall choice. However, internal choices have been provided in some questions. A candidate has to write answer for only one of the alternatives in such questions.
- Wherever necessary, neat and properly labelled diagrams should be drawn.
- This is the official 2026 board paper (Q.P. Code 57/1/1). The step marks shown in the solutions are our marking scheme in the CBSE style; CBSE's own marking scheme may award steps differently.
- Write your answers on paper or in the boxes below. No marks are deducted for wrong answers.
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