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CBSE Class 12 Biology Answer Key 2026:

The Central Board of Secondary Education (CBSE) conducted the Class 12 Biology exam on March 27, 2026, from 10:30 AM to 1:30 PM. Lakhs of students appeared for the examination across India. The CBSE Class 12 Biology Unofficial Answer Key 2026 is prepared by subject experts immediately after the exam to help students evaluate their performance.

Students can use the unofficial answer key to cross-check their responses and estimate their scores out of 70 marks (theory paper). The remaining 30 marks are allotted for practical/internal assessment.

CBSE Class 12 Biology 2026 - Exam Highlights

Particulars	Details
Conducting Board	Central Board of Secondary Education (CBSE)
Exam Name	CBSE Class 12 Biology Exam 2026
Subject Code	044
Exam Date	March 27, 2026
Exam Time	10:30 AM - 1:30 PM
Total Marks	100 (70 Theory + 30 Practical)

CBSE Class 12 Biology Unofficial Answer Key 2026

The CBSE does not release an official answer key for board examinations. However, experienced faculty and subject experts prepare the CBSE Class 12 Biology Answer Key 2026 (Unofficial) based on the question paper immediately after the exam.

This answer key includes section-wise solutions covering all questions from the Biology paper. Students should use it as a reference to estimate their scores and identify mistakes.

Answer Key	Link
CBSE Class 12 Biology Unofficial Answer Key YouTube 2026	Click Here
CBSE Class 12 Biology Unofficial Answer Key 2026	Click Here

How to Calculate Your Score Using CBSE Class 12 Biology Answer Key 2026

The CBSE Class 12 Biology theory exam carries 70 marks. Students can calculate their estimated score using the marking scheme provided below.

Section	Question Type	Marks Per Question	Total Marks
Section A	MCQs	1	16
Section B	Very Short Answer	2	10
Section C	Short Answer	3	21
Section D	Case-based	4	8
Section E	Long Answer	5	15
Total			70 Marks

Note: The overall exam is of 100 marks, including 30 marks for practical/internal assessment. Students must secure at least 33% marks to pass.

How to Download CBSE Class 12 Biology Answer Key 2026

Follow these simple steps to access the CBSE Class 12 Biology Answer Key 2026:

Visit trusted education portals or coaching institute websites.
Search for CBSE Class 12 Biology Answer Key 2026.
Select the correct set (Set 1, Set 2, Set 3, etc.).
Open the PDF answer key.
Compare your answers and calculate your expected score.

CBSE Class 12 Biology Answer Key 2026 (Unofficial) - FAQ's

Q1. When will the CBSE Class 12 Biology Answer Key 2026 be released?

The unofficial answer key is released for CBSE Class 12 Biology. Students can check it online to estimate their scores.

Q2. Does CBSE release an official answer key for Class 12 Biology?

No, CBSE does not publish official answer keys for board exams. Only unofficial solutions are provided by experts and coaching institutes.

Q3. What is the total marks for CBSE Class 12 Biology 2026?

The exam is conducted for 100 marks, including 70 marks for theory and 30 marks for practical/internal assessment.

Q4. How can I calculate my Biology score?

Students can match their answers with the unofficial answer key and use the marking scheme to estimate their expected score.

Q5. What is the passing mark for CBSE Class 12 Biology?

Students must secure at least 33% marks overall to pass the CBSE Class 12 Biology examination.

CBSE Class 12 Biology Answer Key 2026 (Unofficial) – Get Answers Here

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