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100+ Free QCAA Psychology EA Practice Questions
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2026 Statistics
Key Facts: QCAA Psychology EA Exam
2 papers
The external assessment consists of two papers covering Units 3 and 4
QCAA Psychology syllabus
20 multiple-choice
Paper 1 Section 1 includes 20 multiple-choice questions
QCAA Psychology Paper 1 specification
50%
External assessment weighting towards final QCE result
QCAA Science assessment policy
3 hours
Total working time across both examination papers
QCAA exam timetable
100
Original practice questions provided in this study module
OpenExamPrep
The QCAA Psychology external assessment covers Units 3 and 4 of the Queensland syllabus through two written papers. Paper 1 includes a 20-question multiple-choice section. This bank provides 100 high-quality, original multiple-choice practice items with detailed rationales for all choices to support QCE revision.
Sample QCAA Psychology EA Practice Questions
Try these sample questions to test your QCAA Psychology EA exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Which division of the nervous system is primarily responsible for initiating the 'fight-or-flight' response during an acute threat?
A.Parasympathetic nervous system
B.Somatic nervous system
C.Central nervous system
D.Sympathetic nervous system
Explanation: The sympathetic nervous system is a branch of the autonomic nervous system that activates physiological arousal (e.g., increased heart rate, pupil dilation) to prepare the organism for action during a fight-or-flight response.
2Which structure in the hindbrain plays a crucial role in coordinating smooth motor movement, balance, and posture?
A.Cerebellum
B.Medulla oblongata
C.Pons
D.Hypothalamus
Explanation: The cerebellum, located at the base of the brain in the hindbrain, integrates sensory information to fine-tune voluntary motor movements, posture, and equilibrium.
3An individual sustains an injury to Broca's area in the left frontal lobe. Which symptom is most likely to be observed?
A.Inability to comprehend spoken and written language while speech remains fluent but meaningless
B.Difficulty producing fluent spoken speech despite intact comprehension
C.Loss of sensation in the right hand and arm
D.Inability to visually recognize familiar faces
Explanation: Broca's area (in the left frontal lobe) controls motor production of speech. Damage results in expressive aphasia, where speech production is slow, laborious, and non-fluent, but language comprehension remains largely intact.
4Which lobe of the cerebral cortex contains the primary visual cortex responsible for processing raw visual signals?
A.Temporal lobe
B.Parietal lobe
C.Occipital lobe
D.Frontal lobe
Explanation: The primary visual cortex is situated in the posterior portion of the occipital lobe and receives visual inputs from the retina via the optic nerve.
5Which major neural pathway connects the left and right cerebral hemispheres, enabling interhemispheric communication?
A.Hippocampus
B.Basal ganglia
C.Thalamus
D.Corpus callosum
Explanation: The corpus callosum is a dense tract of nerve fibers that bridges the two cerebral hemispheres, allowing rapid exchange of electrical information between them.
6Which part of a neuron receives incoming chemical neurotransmitters from presynaptic neurons?
A.Dendrite
B.Axon terminal
C.Myelin sheath
D.Axon hillock
Explanation: Dendrites are branching neural extensions equipped with receptor sites designed to receive neurotransmitter chemical signals sent across synaptic gaps.
7Gamma-aminobutyric acid (GABA) acts primarily as which type of neurotransmitter in the central nervous system?
A.Primary excitatory neurotransmitter
B.Primary inhibitory neurotransmitter
C.Neuromuscular junction activator
D.Endocrine hormone
Explanation: GABA is the chief inhibitory neurotransmitter in the brain; its binding hyperpolarizes postsynaptic membranes, decreasing the probability of an action potential.
8Long-term potentiation (LTP) refers to which neurobiological phenomenon underlying learning and memory formation?
A.Permanent pruning and removal of inactive synaptic connections
B.Degeneration of myelin sheaths following axonal trauma
C.Persistent strengthening of synapses based on recent patterns of activity
D.Systemic release of cortisol in response to environmental stressors
Explanation: Long-term potentiation (LTP) is the long-lasting enhancement of synaptic transmission between neurons following high-frequency stimulation, forming the cellular basis of learning and memory.
9During a split-brain experiment, a picture of a spoon is flashed exclusively to a participant's left visual field. Which outcome will be observed?
A.The participant can name the spoon verbally but cannot select it with their left hand.
B.The participant can both name the spoon verbally and pick it up with their right hand.
C.The participant cannot see the image at all because left visual field inputs are blocked.
D.The participant can pick up the spoon with their left hand but cannot name it verbally.
Explanation: An image in the left visual field travels to the right hemisphere. The right hemisphere controls the left hand (allowing motor selection), but because the severed corpus callosum prevents transfer to the left hemisphere (where language centers reside), the person cannot name the object verbally.
10Which neuroimaging technique uses strong magnetic fields and radio waves to generate detailed structural cross-sections of brain anatomy without radiation exposure?
A.Magnetic Resonance Imaging (MRI)
B.Positron Emission Tomography (PET)
C.Electroencephalography (EEG)
D.Computed Tomography (CT)
Explanation: MRI uses powerful magnetic fields and radiofrequency pulses to produce high-resolution structural images of soft brain tissues without ionising radiation.
About the QCAA Psychology EA Practice Questions
Verified exam format metadata for QCAA Psychology External Assessment (Queensland) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.