SCSA Human Biology Performance

Overall average 72.1%40,581 questions answered2026 data

Score by Unit & Topic

Full syllabus

Homeostasis and disease

72%
Science Inquiry Skills
74.8%
Science as a Human Endeavour
74.4%
Endocrine system
65.7%
Central and peripheral nervous system
69.7%
Homeostasis
67.2%
Response to infection
71.4%

Human variation and evolution

72.3%
Science Inquiry Skills
73.2%
Science as a Human Endeavour
72.6%
Mutations
71%
Gene pools
70.1%
Evidence for evolution
73%
Hominid evolutionary trends
73.1%

Score by Past Paper

2026 data

2025
60.4%
2024
59.5%
2023
72.5%
2022
66.8%
2021
71.4%
2020
62.1%

Score by Question Type

2026 data

Extended Response
55.2%
Multiple Choice
73.7%
Short Answer
68.2%

Cognitive Verb Performance

2026 data

Analyse
70.3%
Assess
68.2%
Calculate
38.9%
Compare
63.3%
Construct
71.9%
Contrast
69.1%
Define
71.2%
Describe
68.7%
Design
52.4%
Determine
74.2%
Discuss
71.4%
Distinguish
63.2%
Draw
63.6%
Estimate
0%
Evaluate
66%
Explain
65.8%
Identify
65.9%
Infer
91.2%
Justify
69.5%
Label
71.1%
Name
72.3%
Outline
64.2%
Predict
80.4%
Present
53.2%
Propose
86.8%
Provide
38.4%
Recommend
100%
Select
87.5%
Sketch
100%
State
76.8%
Write
25%

Study Guides

WACE Human Biology Hardest Topics: Where Students Lose the Most MarksAverage scores in WACE Human Biology by past paper, topic, question type and command verb, plus the high-weight low-score revision list.WACE Human Biology Most Tested Topics: What the SCSA Exams CoverMarks by topic and dot point across 6 SCSA Human Biology external papers, 2020 to 2025, plus the question type and cognitive verb mix.

Frequently Asked Questions

What are the hardest SCSA Human Biology topics?
Based on student performance on AusGrader in 2026, the hardest SCSA Human Biology topics are Endocrine system (65.7%), Homeostasis (67.2%), Central and peripheral nervous system (69.7%). Focus your revision on these areas for the biggest score improvement.
What are the easiest SCSA Human Biology topics?
Based on student performance on AusGrader in 2026, the highest-scoring SCSA Human Biology topics are Science Inquiry Skills (74.8%), Science as a Human Endeavour (74.4%), Science Inquiry Skills (73.2%).
What are the most common command words in SCSA Human Biology exams?
The most frequently tested command words in SCSA Human Biology are Explain, Outline, Describe, Identify, State. Practising responses to these verbs is a high-impact study strategy.

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