KCSE Biology Past Papers & Revision
Subject code 231. KCSE Biology is examined in 3 papers. Below are the past papers we have on file, the topics examiners test most, and tips to pick up easy marks.
Revise Biology with the AI tutorKCSE Biology papers
Biology Paper 2
Structured questions, a data/graph question and an essay (choose one).
Practise Paper 2 →KCSE Biology past papers by year
- KCSE Biology Paper 1 Practice Paper (2026)Practice + marking scheme
- KCSE 2024 Biology Paper 1Past paper + marking scheme
- KCSE 2024 Biology Paper 2Past paper + marking scheme
- KCSE 2024 Biology Paper 3Past paper + marking scheme
- KCSE 2023 Biology Paper 1Past paper + marking scheme
- KCSE 2023 Biology Paper 2Past paper + marking scheme
- KCSE 2023 Biology Paper 3Past paper + marking scheme
- KCSE 2022 Biology Paper 1Past paper
- KCSE 2022 Biology Paper 3Past paper
- KCSE 2021 Biology Paper 1Past paper
- KCSE 2021 Biology Paper 2Past paper + marking scheme
- KCSE 2021 Biology Paper 3Past paper + marking scheme
- KCSE 2020 Biology Paper 1Past paper + marking scheme
- KCSE 2020 Biology Paper 2Past paper + marking scheme
- KCSE 2020 Biology Paper 3Past paper + marking scheme
- KCSE 2019 Biology Paper 1Past paper
- KCSE 2019 Biology Paper 2Past paper + marking scheme
- KCSE 2019 Biology Paper 3Past paper + marking scheme
- KCSE 2018 Biology Paper 1Past paper
- KCSE 2018 Biology Paper 2Past paper + marking scheme
- KCSE 2018 Biology Paper 3Past paper + marking scheme
- KCSE 2017 Biology Paper 1Past paper + marking scheme
- KCSE 2017 Biology Paper 2Past paper + marking scheme
- KCSE 2017 Biology Paper 3Past paper + marking scheme
- KCSE 2016 Biology Paper 1Past paper
- KCSE 2016 Biology Paper 2Past paper
- KCSE 2016 Biology Paper 3Past paper
- KCSE 2015 Biology Paper 1Past paper + marking scheme
- KCSE 2015 Biology Paper 2Past paper + marking scheme
- KCSE 2015 Biology Paper 3Past paper + marking scheme
- KCSE 2014 Biology Paper 1Past paper + marking scheme
- KCSE 2014 Biology Paper 2Past paper + marking scheme
- KCSE 2014 Biology Paper 3Past paper + marking scheme
- KCSE 2013 Biology Paper 1Past paper + marking scheme
- KCSE 2013 Biology Paper 2Past paper + marking scheme
- KCSE 2013 Biology Paper 3Past paper + marking scheme
- KCSE 2012 Biology Paper 1Past paper
- KCSE 2012 Biology Paper 3Past paper
- KCSE 2011 Biology Paper 1Past paper + marking scheme
- KCSE 2011 Biology Paper 2Past paper + marking scheme
- KCSE 2011 Biology Paper 3Past paper + marking scheme
- KCSE 2008 Biology Paper 1Past paper + marking scheme
- KCSE 2008 Biology Paper 3Past paper + marking scheme
- KCSE 2007 Biology Paper 3Past paper + marking scheme
- KCSE 2006 Biology Paper 1Past paper + marking scheme
- KCSE 2006 Biology Paper 2Past paper + marking scheme
- KCSE 2006 Biology Paper 3Past paper + marking scheme
- KCSE 2005 Biology Paper 1Past paper
- KCSE 2004 Biology Paper 1Past paper + marking scheme
- KCSE 2004 Biology Paper 2Past paper
- KCSE 2003 Biology Paper 1Past paper + marking scheme
- KCSE 2002 Biology Paper 1Past paper + marking scheme
- KCSE 2002 Biology Paper 2Past paper
- KCSE 2001 Biology Paper 1Past paper + marking scheme
- KCSE 2001 Biology Paper 2Past paper
- KCSE 2000 Biology Paper 1Past paper + marking scheme
- KCSE 2000 Biology Paper 2Past paper
- KCSE 1999 Biology Paper 1Past paper + marking scheme
- KCSE 1999 Biology Paper 2Past paper
- KCSE 1998 Biology Paper 1Past paper + marking scheme
- KCSE 1998 Biology Paper 2Past paper
- KCSE 1997 Biology Paper 1Past paper + marking scheme
- KCSE 1997 Biology Paper 2Past paper
- KCSE 1996 Biology Paper 1Past paper + marking scheme
- KCSE 1996 Biology Paper 2Past paper
- KCSE 1995 Biology Paper 1Past paper + marking scheme
- KCSE 1995 Biology Paper 2Past paper
KCSE Biology topics to revise
ClassificationThe cellCell physiology (osmosis, diffusion)Nutrition in plants & animalsTransport in plants & animalsGaseous exchangeRespirationExcretion & homeostasisClassification IIEcologyReproduction in plants & animalsGrowth & developmentGeneticsEvolutionReception, response & coordinationSupport & movement
Examiner tips for KCSE Biology
- Use correct spelling of biological terms: misspelt key terms often lose the mark.
- In essays, every correct point earns a mark, so aim for many short, accurate points.
- Practise food tests and their expected observations for Paper 3.
KCSE Biology revision: common questions
Where can I get KCSE Biology past papers with marking schemes?+
On this page. Read the Biology papers free, and unlock the marking schemes plus AI marking from KES 199 a month.
How do I improve my KCSE Biology grade fast?+
Do one past paper under time every few days, get it marked, and spend the rest of your time on the topics where you lost marks. The AI tutor tracks this for you.
Can the AI explain Biology topics I don't understand?+
Yes. Tap any topic above and the tutor will teach it step by step, then test you with KCSE-style questions.