Biology Past Papers — Class 12
Every official DG Khan Board Biology paper from 2018 to 2024, with the exam pattern and chapter weightage you need to practise smart.
- Papers
- 5
- Years
- 2018–2024
- Total marks
- 60
- Duration
- 2 hours 10 minutes
Download every year
Official DG Khan Board papers, newest first.
2024
Biology Class 12 Past Paper 2024 — DG Khan Board
PDF · Class 12
2022
Biology Class 12 Past Paper 2022 — DG Khan Board
PDF · Class 12
2021
Biology Class 12 Past Paper 2021 — DG Khan Board
PDF · Class 12
2019
Biology Class 12 Past Paper 2019 — DG Khan Board
PDF · Class 12
2018
Biology Class 12 Past Paper 2018 — DG Khan Board
PDF · Class 12
Exam pattern & chapter weightage
Know the structure before you practise.
Paper structure
MCQs20 marks · 20 questions
Short questions40 marks · 8 questions
Long questions40 marks · 4 questions
Where the marks come from
Cell Biology & GeneticsFocus here
18 marksHuman & Plant PhysiologyFocus here
20 marksEcology & Diversity
10 marksHow to use these papers
Biology-specific advice for Class 12 students.
Study tips
- Focus on diagrams — labelled diagrams carry dedicated marks
- Memorise scientific names for the objective section
- Long questions usually come from Physiology and Genetics
Common mistakes to avoid
- Unlabelled diagrams
- Confusing mitosis and meiosis stages
Frequently asked questions
How many Biology past papers are available for Class 12?
5 official Biology papers for Class 12 (DG Khan Board), covering 2018 to 2024. Each is the original board exam paper.
Are these Biology papers official?
Yes — these are the same papers administered by DG Khan Board during annual examinations, which makes them the most reliable practice material available.
How should I practise with these papers?
Start with the most recent year and work backwards. Time yourself strictly (2 hours 10 minutes), then review your answers against the marking scheme where available.
What is the exam pattern for Class 12 Biology?
The paper is worth 60 marks and lasts 2 hours 10 minutes: MCQs (20 marks), Short questions (40 marks), Long questions (40 marks).