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100+ Free IB Philosophy SL Practice Questions

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2026 Statistics

Key Facts: IB Philosophy SL Exam

50%

Paper 1 weighting (Being Human + optional theme)

IB Philosophy subject guide

25%

Internal Assessment weighting

IB Philosophy subject guide

150 hours

Recommended teaching time at SL

IB Philosophy SL guide

100

Free practice questions here

OpenExamPrep

IB Philosophy SL is assessed by Paper 1 (Section A stimulus-based response on the Core Theme 'Being Human' + Section B essay on one optional theme, 2h 30m, 50%), Paper 2 (essay on one prescribed philosophical text, 1h, 25%), and an Internal Assessment of ~1600 words analysing a non-philosophical stimulus (25%). Students must master argument construction, named philosophers, and evaluative discussion.

Sample IB Philosophy SL Practice Questions

Try these sample questions to test your IB Philosophy SL exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1On Locke's memory criterion of personal identity, what makes you the same person over time?
A.Continuity of memory linking present and past experiences
B.Continuity of the same physical body
C.Continuity of the same immaterial soul
D.Continuity of social and legal recognition
Explanation: Locke argues in An Essay Concerning Human Understanding that personal identity consists in consciousness extended backwards through memory: you are the same person as a past person if you can remember that person's experiences from the inside.
2Hume's bundle theory of the self claims that, on introspection, we find only:
A.A bundle or collection of distinct perceptions in constant flux
B.A simple immaterial substance that endures
C.A transcendental ego underlying all experience
D.An embodied subject inseparable from the world
Explanation: In the Treatise of Human Nature, Hume argues that when he looks inward he never catches himself without a perception; the self is just a bundle of perceptions linked by resemblance, contiguity, and causation, not a simple enduring substance.
3Derek Parfit's reductionist view of persons concludes that:
A.Personal identity is not what matters; what matters is psychological continuity and connectedness
B.Personal identity is a primitive, further fact over and above brain and body
C.There are no persons at all — talk of persons is wholly illusory
D.Personal identity is fixed entirely by the persistence of the same brain
Explanation: In Reasons and Persons, Parfit argues from cases like the teletransporter and brain-division that identity can be indeterminate, so identity is not what we should care about; what matters is Relation R — overlapping chains of psychological connections and continuity.
4The Buddhist doctrine of anatta (anatman) maintains that:
A.There is no permanent, unchanging self underlying experience
B.The self is an eternal soul that is reincarnated
C.Each person has a unique essence given at birth
D.Personal identity is grounded in family lineage
Explanation: Anatta literally means 'non-self'. The Buddha taught that what we call the self is just five impermanent aggregates (skandhas) — form, feeling, perception, mental formations, and consciousness — with no permanent atman behind them.
5Descartes' substance dualism in the Meditations claims that:
A.Mind and body are two really distinct substances — thinking and extended
B.Mind and body are two aspects of a single underlying substance
C.Only the mind exists; the body is an illusion
D.Only the body exists; the mind is a process of the brain
Explanation: Descartes argues in Meditation VI that he can clearly and distinctly conceive of mind without body and body without mind, so they are really distinct substances: res cogitans (thinking) and res extensa (extended).
6Functionalism in the philosophy of mind is best characterised as the view that mental states are:
A.Defined by their causal role between inputs, other mental states, and outputs
B.Identical with particular brain states such as C-fibre firing
C.Non-physical states of an immaterial substance
D.Mere illusions with no genuine causal power
Explanation: Functionalism, defended by Putnam and developed by Fodor, holds that what makes something a pain or belief is the functional role it plays — its pattern of causes and effects — so the same mental state could in principle be realised in different physical substrates.
7David Chalmers' philosophical zombie thought experiment is designed to show that:
A.Consciousness cannot be wholly explained by physical or functional facts
B.Consciousness reduces straightforwardly to brain activity
C.There really are zombies living among us
D.We have no reliable knowledge of other minds
Explanation: A philosophical zombie is a being physically and functionally identical to a conscious human but with no subjective experience. Chalmers argues that the mere conceivability of zombies shows that consciousness is not logically entailed by the physical facts, opening up the 'hard problem'.
8Hard determinism holds that free will is impossible because:
A.Every event, including human choice, is fully caused by prior events
B.Humans are wholly governed by random quantum events
C.Moral responsibility is a social construct with no metaphysical basis
D.Free will exists but is severely restricted by social structures
Explanation: Hard determinists such as Baron d'Holbach and modern thinkers like Sam Harris argue that universal causal determinism is true and that genuine free will requires the ability to have done otherwise, which determinism rules out, so no one is truly free.
9Compatibilism, as defended by Hume and Frankfurt, holds that:
A.Free will is compatible with determinism if the agent acts on her own desires without coercion
B.Free will requires libertarian indeterminism in the brain
C.Free will and determinism cannot both be true
D.Free will is illusory but useful for moral practice
Explanation: Hume redefines free will as acting according to one's own will free from external compulsion. Frankfurt adds that an agent is free when her first-order desires align with her second-order desires about what to want, so determinism does not threaten freedom.
10Chalmers' 'hard problem' of consciousness is the problem of explaining:
A.Why there is something it is like to undergo physical processes
B.How neurons transmit electrical signals
C.How the brain stores long-term memories
D.How attention selects sensory inputs
Explanation: Chalmers distinguishes 'easy' problems of consciousness — explaining cognitive functions like discrimination or reportability — from the hard problem: why and how any physical process gives rise to subjective experience or qualia at all.

About the IB Philosophy SL Exam

IB Diploma Philosophy Standard Level is a Group 3 (Individuals and Societies) course that introduces students to philosophical inquiry through a Core Theme on what it means to be human, one optional theme chosen from a list of seven, and a detailed study of one prescribed philosophical text. Assessment combines Paper 1 (a stimulus-based response on Being Human plus an essay on the optional theme, 2 hours 30 minutes, 50%), Paper 2 (one essay on the prescribed text, 1 hour, 25%) and an Internal Assessment philosophical analysis of a non-philosophical stimulus (25%).

Questions

100 scored questions

Time Limit

Paper 1: 2 hours 30 minutes, Paper 2: 1 hour, plus Internal Assessment

Passing Score

Grade 4 commonly used as a pass; grades 1-7 awarded (7 highest)

Exam Fee

School-set entry fee (varies by school and country) (International Baccalaureate Organization (IBO))

IB Philosophy SL Exam Content Outline

~30%

Core Theme: Being Human

Personal identity (Locke memory criterion, Hume bundle theory of self, Parfit reductionist view of persons, Buddhist anatta no-self doctrine); mind-body problem (Descartes substance dualism, materialism/physicalism, functionalism, Chalmers philosophical zombies); free will vs determinism (hard determinism, libertarianism, Hume/Frankfurt compatibilism); consciousness (Chalmers hard problem, Jackson's Mary's Room knowledge argument, qualia); nature vs nurture; human nature theories (Hobbes brutish state of nature in Leviathan, Rousseau noble savage, Aristotle zoon politikon, Marx species-being and alienation, Sartre 'existence precedes essence'); what is a person? (Boethius, Locke psychological continuity, Singer); rationality; embodiment (Merleau-Ponty phenomenology of perception)

~25%

Ethics (most common optional theme)

Meta-ethics: cognitivism vs non-cognitivism; ethical naturalism vs non-naturalism (Moore's open-question argument, naturalistic fallacy); error theory (Mackie argument from queerness); emotivism (Ayer, Stevenson), prescriptivism (Hare). Normative ethics: consequentialism (Bentham hedonic calculus, Mill higher/lower pleasures, Singer preference utilitarianism); deontology (Kant Categorical Imperative — universal law, humanity as end-in-itself, kingdom of ends); virtue ethics (Aristotle eudaimonia, doctrine of the mean, phronesis; Anscombe/MacIntyre revival; Plato cardinal virtues). Applied ethics: euthanasia, animal rights (Singer, Regan), environmental ethics (Naess deep ecology), business ethics, lying, justice

~15%

Paper 2: Prescribed Philosophical Text

One of 11 prescribed texts: Plato Republic, Aristotle Nicomachean Ethics, Descartes Meditations on First Philosophy, Locke Second Treatise of Government, Hume An Enquiry Concerning Human Understanding, Mill On Liberty, Nietzsche On the Genealogy of Morals, Sartre Existentialism is a Humanism, Simone de Beauvoir The Ethics of Ambiguity, Confucius Analects, Lao Tzu Tao Te Ching. Students must know key arguments, technical vocabulary, philosophical significance, and standard scholarly criticisms

~15%

Other Optional Themes (representative content)

Epistemology: Plato's tripartite JTB account of knowledge (Theaetetus), Gettier counterexamples, Russell's chicken on induction, scepticism (Descartes' evil demon, Putnam's brain-in-a-vat), rationalism (Descartes' cogito) vs empiricism (Hume's impressions and ideas, Locke's tabula rasa), perception (direct realism, indirect/representative realism, Berkeley's idealism), theories of truth (correspondence, coherence, pragmatist). Philosophy of religion: ontological argument (Anselm), cosmological (Aquinas Five Ways), teleological/design (Paley), moral (Kant); problem of evil (Hume, Mackie's logical version, Hick's soul-making theodicy); religious language (Wittgenstein language games, Ayer verificationism). Aesthetics: beauty subjective (Hume) vs objective (Kant), Plato's mimesis vs Aristotle's catharsis, definitions of art (Tolstoy expression, Bell significant form, Danto and the institutional theory). Political philosophy: social contract (Hobbes, Locke, Rousseau), justice (Rawls' veil of ignorance vs Nozick's libertarianism), democracy, Berlin's two concepts of liberty (positive vs negative)

~10%

Philosophical method and skills

Constructing arguments (premises, conclusion; valid vs sound, deductive vs inductive); identifying informal fallacies (straw man, ad hominem, slippery slope, appeal to authority, circular reasoning/begging the question, false dichotomy, equivocation); close analysis of a philosophical text; relating philosophical claims to concrete cases; structure of philosophical writing (clear thesis, body with argument and counter-argument, evaluation, conclusion); engagement with IB command terms (analyse, evaluate, justify, discuss, compare and contrast)

How to Pass the IB Philosophy SL Exam

What You Need to Know

  • Passing score: Grade 4 commonly used as a pass; grades 1-7 awarded (7 highest)
  • Exam length: 100 questions
  • Time limit: Paper 1: 2 hours 30 minutes, Paper 2: 1 hour, plus Internal Assessment
  • Exam fee: School-set entry fee (varies by school and country)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

IB Philosophy SL Study Tips from Top Performers

1Build a glossary of named philosophers, technical terms and key arguments for every topic — examiners reward precise use of vocabulary and named references
2Practise IB command terms exactly (analyse, evaluate, justify, discuss, contrast) — markschemes are tied to AO1/AO2/AO3 levels of demand
3For every position you study, prepare a strongest counter-argument plus a reply — Paper 1 and Paper 2 essays require evaluative discussion, not summary
4Read the prescribed text in full once early, then re-read key sections with the IB guide's prompts — Paper 2 essays must engage directly with the text, not just secondary opinions

Frequently Asked Questions

How is IB Philosophy SL assessed?

IB Philosophy SL is assessed by Paper 1 (Section A stimulus-based response on the Core Theme 'Being Human' + Section B essay on one optional theme, 2 hours 30 minutes, 50%), Paper 2 (essay on one prescribed philosophical text, 1 hour, 25%), and an Internal Assessment philosophical analysis of a non-philosophical stimulus (~1600 words, 25%).

What is the Core Theme 'Being Human' in IB Philosophy?

Being Human is the compulsory Core Theme studied by every IB Philosophy student. It explores what it means to be human through questions about personal identity, mind and body, free will and determinism, consciousness, human nature, and our relation to others — drawing on philosophers from Plato and Aristotle through Descartes, Hume and Locke to Sartre, Parfit and Chalmers.

How many optional themes do SL students study?

SL students study one optional theme chosen from seven: Aesthetics, Epistemology, Ethics, Philosophy and Contemporary Society, Philosophy of Religion, Political Philosophy, or Philosophy of Science. HL students study two optional themes. Ethics is the most commonly chosen theme worldwide.

Which prescribed texts can I study for Paper 2?

Paper 2 requires detailed study of one prescribed text from the IB list — currently including Plato's Republic, Aristotle's Nicomachean Ethics, Descartes' Meditations, Locke's Second Treatise of Government, Hume's Enquiry Concerning Human Understanding, Mill's On Liberty, Nietzsche's Genealogy of Morals, Sartre's Existentialism is a Humanism, Beauvoir's Ethics of Ambiguity, Confucius' Analects and the Tao Te Ching.