UP Board Class 12 Biology Question Paper 2026 with Answer Key: Download PDF

The UP Board Class 12 Biology Exam 2026 was conducted today, February 23, 2026, in the evening shift from 2:00 PM to 5:15 PM. Biology is a core and vital subject for students in the medical stream. The marks obtained in this paper are crucial as they play a key role in deciding the future career paths of medical aspirants. Every year, lakhs of students appear for the UP Board Intermediate Biology exam with the hope of scoring high to take the first step towards admission into top medical colleges.

Now that the exam is over, we bring here the UP Board Class 12 Biology question paper and answer key to help you assess your performance and estimate your marks. In this article, you will also find a detailed paper analysis to understand how the exam went overall and how other students performed in today’s session.

UP Board 12th Biology Exam 2026: Key Highlights

UPMSP Class 12 Biology Question Paper Pattern 2026

Today’s Biology exam followed the pattern similar to the latest official model paper released by board for the 2026 examinations. The question paper was designed to test both theoretical knowledge and diagrammatic skills.

The paper was divided into the following sections:

• Reading Time: The first 15 minutes were exclusively for reading the question paper. 

• Multiple Choice Questions (MCQs): These were objective questions worth 1 mark each. 

• Very Short Answer Type: Direct one-sentence or one-word answers worth 1 mark each.

• Short Answer Type I: Focused on definitions and brief explanations worth 2 marks each. 

• Short Answer Type II: More detailed questions often requiring diagrams, worth 3 marks each. 

• Long Answer Type: In-depth questions with internal choices, worth 5 marks each.

UP Board Class 12 Biology Paper Analysis

Initial Student Reactions

Initial reactions from students across centers in Uttar Pradesh suggest that the paper was moderate in difficulty. Most students found the MCQ section scoring, though some long-answer questions on Genetics and Ecology required deep thinking. Students noted that the paper was strictly based on the NCERT syllabus, which helped those who studied their textbooks thoroughly.

UP Board Class 12 Biology Question Paper 2026 PDF

For students who want to cross-verify the questions or for juniors preparing for the next session, you can download the full set of today's question paper here.

Click Here to Download UP Board 12th Biology Question Paper 2026 PDF

UP Board Class 12 Biology Answer Key 2026

Our subject experts have compiled a tentative answer key for objective type and short answer questions asked in today's Biology exam. Use this to calculate your probable score.

Section 1: Multiple Choice Type Questions (बहुविकल्पीय प्रश्न)

Q1. Choose the correct option and write in your answer-book:

(i) The sudden discontinuation of the regular dose of drug/alcohol causes:

(A) Turner syndrome

(B) Deficiency syndrome

(C) Withdrawal syndrome

(D) All of these

Answer: (C) Withdrawal syndrome

(ii) Citric acid is produced by:

(A) Aspergillus niger

(B) Clostridium butylicum

(C) Acetobacter aceti

(D) Trichoderma polysporum

Answer: (A) Aspergillus niger

(iii) In the following statements, which explains the parasitism?

(A) Only one organism is benefitted

(B) Both organisms are benefitted

(C) Both organisms are harmed

(D) Neither of both the any organisms is benefitted or harmed

Answer: (A) Only one organism is benefitted (Note: In parasitism, the parasite benefits while the host is harmed).

(iv) Which of the following is known as universal codon?

(A) AAA

(B) CCC

(C) GGG

(D) UUU

Answer: (D) UUU

Section 2: Very Short Answer Type Questions (अति लघु उत्तरीय प्रश्न)

Q2. Attempt all parts:

a) What is cloning?

Answer: Cloning is the process of producing genetically identical copies of a biological entity (cell, tissue, or organism) either naturally or artificially.

b) Which type of cell division occurs during cleavage?

Answer: Mitotic cell division (Mitosis) occurs during cleavage.

c) Name the gases which were used by S.L. Miller in the experiment of origin of life.

Answer: The gases used were Methane (CH₄), Ammonia (NH₃), Hydrogen (H₂), and Water Vapor (H₂O).

d) Write the names of any two biodiversity hot-spots.

Answer: Two major biodiversity hot-spots in India are the Western Ghats and the Eastern Himalayas.

e) What is sporopollenin?

Answer: Sporopollenin is one of the most resistant organic materials found in nature. It makes up the tough outer layer (exine) of pollen grains, protecting them from heat, enzymes, and strong acids or bases.

Reviewing the UP Board Class 12 Biology Question Paper 2026 and the answer key will help you understand your performance and plan your next steps for further medical entrance exams like NEET. While this unofficial answer key is a great tool for marks estimation, remember that the official results will depend on the final evaluation by the UP Board.