The UP Board Class 12 Biology 2026 question paper with solutions (Set 348 EJ) is available here for free download. UP Board Class 12 Biology 2026 was conducted by the Uttar Pradesh Madhyamik Shiksha Parishad (UPMSP) on February 23, 2026, in the afternoon shift, as a 70-mark paper of 32 questions to be solved in 3 hours 15 minutes.
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UP Board Class 12 Biology 2026 (Set 348 EJ) Questions with Solutions
Which of the following is a cyanobacteria?
The ovule is attached to the placenta by means of a stalk called
Who coined the term 'linkage'?
Which of the following hormones is secreted by the placenta?
Write the name of any one cloning vector.
Write the name of any one water pollinated plant.
Write the name of any one ecto-parasite.
Give the names of two decomposers.
Which gas is used for the storage of pollen grains?
Define micro-propagation.
Draw a ray diagram (flow chart) of energy flow in an ecosystem.
Write a short note on biopiracy.
Comment upon biological evolution.
Write the importance of species diversity in an ecosystem.
Write a short note on self-incompatibility.
What is colostrum? Write its importance.
Write a short note on birth control.
What is a biodiversity hot-spot? Describe with an example.
Briefly explain the test cross.
Briefly describe crossing over.
Write a short note on the prevention and control of Drug/Alcohol abuse.
What is a terminator codon? Write two examples.
Distinguish between convergent evolution and divergent evolution.
Give a diagrammatic presentation of the stages in the life cycle of Plasmodium in human.
Write a descriptive note on BOD.
Write a note on lymphocytes.
What is oogenesis? Describe the process of oogenesis with diagram.
Write explanatory notes on the following: (i) Water pollination (ii) Polyembryony.
Describe Mendel's law of one gene (monohybrid) inheritance.
Describe chromosomal aberration with examples.
Write an essay on population interactions.
What is an ecological pyramid? Describe different types of ecological pyramid with diagram.
UP Board Class 12 Biology 2026 Exam Pattern and Marking Scheme Explained
UPMSP set this paper (Set 348 EJ) as 32 compulsory questions of rising difficulty, with the last three questions offering an internal choice.
- Total questions: 4 one-mark MCQs, 5 one-mark short questions, 15 two/three-mark short questions across three sections, and 3 five-mark questions with a choice (extracted as 6 rows)
- Total marks: 70
- Duration: 3 hours 15 minutes
- Question types: objective (MCQ), short-answer and diagram-based descriptive answers
- Internal choice: the final 3 questions (5 marks each, 15 marks total) each let you attempt one of two alternative questions
- Diagrams: UPMSP instructs students to illustrate answers with labelled diagrams wherever necessary
High-Weightage Topics in UP Board Class 12 Biology 2026 to Focus On First
Based on this paper's actual question distribution across the first 26 questions (55 of the 70 marks, before the internal-choice questions), a few chapters clearly dominate.
- Human Health and Disease: 9 of 55 marks - the single biggest chapter
- Principles of Inheritance and Variation: 7 of 55 marks
- Biodiversity and Conservation: 7 of 55 marks
- Sexual Reproduction in Flowering Plants: 6 of 55 marks
- Evolution: 5 of 55 marks
The remaining 15 marks let you choose between long-answer questions across multiple chapters - practise as many as you can, since you only find out which alternative suits you better once you read the actual questions.
UP Board Class 12 Biology Question Paper Analysis Video
Source: ask board
How to Use the UP Board Biology Question Paper for Practice
Treat this Set 348 EJ paper as a timed mock before you check the solutions.
- Attempt all 32 questions in 3 hours 15 minutes under exam conditions first
- For the final 3 choice questions, practise both alternatives, not just the one you'd normally pick
- Draw and label the relevant diagram for every question that calls for one - UPMSP awards marks for correctly labelled diagrams separately from the written answer
- Review each answer against the step-by-step solution PDF, not just the final answer
UP Board Class 12 Biology Student Reactions 2026
- Reactions to this paper were mixed - some students found the human physiology and biotechnology questions familiar from NCERT practice, while others found the diagram-based questions time-consuming to complete neatly under time pressure
UP Board Class 12 Biology 2026 Question Paper FAQs
Ques. When was the UP Board Class 12 Biology 2026 exam conducted?
Ans. UPMSP conducted the UP Board Class 12 Biology 2026 exam on February 23, 2026, in the afternoon shift from 2:00 PM to 5:15 PM, as part of the intermediate exams that ran from February 18 to March 12, 2026.
Ques. How many questions are there in the UP Board Class 12 Biology 2026 paper, and is there any choice?
Ans. The paper has 32 questions worth 70 marks. The last 3 questions (5 marks each) each give you a choice between two alternative questions - you only need to attempt one from each pair.
Ques. What is the marking scheme for UP Board Class 12 Biology 2026?
Ans. The paper carries 70 marks in 3 hours 15 minutes: 4 one-mark MCQs, 5 one-mark short questions, 15 two- and three-mark short questions, and 3 five-mark questions with internal choice.
Ques. Which topics had the highest weightage in UP Board Class 12 Biology 2026 Set 348 EJ?
Ans. Based on this paper's actual questions, Human Health and Disease (9 of the first 55 marks) led, followed by Principles of Inheritance and Variation and Biodiversity and Conservation (7 marks each). The final 15 marks let you choose between long-answer questions across multiple chapters.
Ques. Where can I download the UP Board Class 12 Biology 2026 question paper with solutions PDF for free?
Ans. You can download both the question paper and the full step-by-step solutions PDF for Set 348 EJ from the table at the top of this page, for free.
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