National Examinations Board · Class 11–12
NEB Class 12 Biology questions
NEB Biology past papers, model question sets and chapter quizzes for Class 12, in one place.
394 questions, in Nepali and English wherever the paper has both. Below are a few sample questions; the full papers, marking and answers are in GyanMul Prep.
The account is free. Practice, marking and help from Gurubaa, in one place.
- 1 Past papers
- 12 Model question sets
- 17 chapter quizzes
- 394 questions
Sample questions
Answers are inside GyanMul Prep.
Which of the following term describes pollen tube entry into the embryo sac of ovule through micropyle during fertilization? (A) Mesogamy (B) Chalazogamy (C) Syngamy (D) Porogamy
Which of the following structures in a plant is primarily responsible for regulating transpiration? (A) Xylem (B) Stomata (C) Root hairs (D) Phloem
Past papers
- NEB 2082 (2025) Biology — Grade XII (2021'M')Biology · 23 questions · 75 marks · 180 minPractise
Model question sets
- NEB Grade 12 Biology — Model Question Set ABiology · 23 questions · 75 marks · 180 minPractise
- NEB Grade 12 Biology — Model Question Set BBiology · 23 questions · 75 marks · 180 minPractise
- NEB Grade 12 Biology — Model Question Set CBiology · 23 questions · 75 marks · 180 minPractise
- NEB Grade 12 Biology — Model Question Set DBiology · 23 questions · 75 marks · 180 minPractise
- NEB Grade 12 Biology — Model Question Set EBiology · 23 questions · 75 marks · 180 minPractise
- NEB Grade 12 Biology — Chapter Mock: MutationBiology · 11 questions · 37 marks · 89 minPractise
- NEB Grade 12 Biology — Chapter Mock: Poultry FarmingBiology · 12 questions · 38 marks · 91 minPractise
- NEB Grade 12 Biology — Chapter Mock: RespirationBiology · 11 questions · 37 marks · 89 minPractise
- NEB Grade 12 Biology — Chapter Mock: Sense OrgansBiology · 12 questions · 38 marks · 91 minPractise
- NEB Grade 12 Biology — Mixed Mock: Plant Anatomy and Water RelationsBiology · 11 questions · 37 marks · 89 minPractise
- NEB Grade 12 Biology — Mixed Mock: Propagation and BiotechnologyBiology · 11 questions · 37 marks · 89 minPractise
- NEB Grade 12 Biology — Mixed Mock: Reproduction and DevelopmentBiology · 12 questions · 38 marks · 91 minPractise
How to use past papers well
- Sit a whole paper against the clock, the way the exam will be.
- Check each answer against the marking, and ask Gurubaa why when one goes wrong.
- Come back to the weak chapters a few days later and practise them again.
Questions learners ask
- Are these real NEB past papers?
- Yes. These are the 2082 papers as the board set them, typed up and checked by the GyanMul team. Each paper shows its code.
- How are the model questions made?
- Model question sets are written to the current specification grid, with the same marks pattern as the board paper. They are practice papers, not official board papers.
- Is GyanMul Prep free?
- Yes. The account is free, and right now every question, the marking and Gurubaa's help are free too.
- Where are the answers?
- This page shows only a few sample questions. The full papers, answers and marking are inside GyanMul Prep once you sign in.
- Are the questions in Nepali too?
- Yes. Wherever the paper has both, every question is in Nepali and English, and you can practise in the language you prefer.