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Year 12 VCE Biology practice questions
This public preview page identifies the planned Year 12 VCE Biology demo route and links it to curriculum coverage while the reviewed sample question set is being completed.
Sample-question focus
The planned public sample is for Year 12 VCE Biology practice and will open after the demo questions are reviewed.
Skills covered
Practice cells, living systems, ecosystems, genetics, evolution, biodiversity, disease, biotechnology, and scientific inquiry.
Exercise and test mode
The route is public now; the exercise and test preview will become available after the curated question set is ready.
Curriculum link
Compare this demo with the VCE Year 11-12 Biology curriculum page to scan related topics, subtopics, and pathway coverage.
These sample questions are visible on the page before login. Use them to check the style of the answers and worked explanations, then open the no-login demo for a longer practice set.
practiceVCE Year 12 Biology practice questionsProtein synthesishardprotein-synthesis diagram
1. A DNA template triplet is TAC. Which mRNA codon is produced during transcription?
Choices
AUG
TAC
ATG
UAC
Explanation:
RNA bases pair with the DNA template: T pairs with A, A pairs with U, and C pairs with G, giving AUG.
practiceVCE Year 12 Biology practice questionsInheritancehardPunnett square
2. The Punnett square shows two heterozygous parents, Aa x Aa. What proportion of offspring are expected to be aa?
Choices
25%
50%
75%
100%
Explanation:
The four equally likely genotypes are AA, Aa, Aa, and aa, so one out of four is aa.
practiceVCE Year 12 Biology practice questionsImmunityhardimmune-response graph
3. The antibody graph shows a faster and larger response after a second exposure to the same antigen. What explains this pattern?
Choices
Memory cells produce a faster antibody response.
Antibodies become enzymes.
The antigen stops being foreign.
White blood cells no longer divide.
Explanation:
Memory B cells formed after the first exposure allow a quicker and stronger secondary immune response.
practiceVCE Year 12 Biology practice questionsDisease transmissionharddisease-spread graph
4. A disease model shows each infected person infecting fewer than one new person on average. What is the most likely trend?
Choices
The outbreak should decline.
The outbreak must grow exponentially.
Every person becomes immune instantly.
Transmission is unrelated to contacts.
Explanation:
If the reproduction number is below 1, each generation of infection is smaller than the one before it.
practiceVCE Year 12 Biology practice questionsBiotechnologyhardDNA gel diagram
5. A gel electrophoresis diagram shows bands A, B, and C. Band C has travelled the furthest from the wells. Which fragment is shortest?
Choices
Band C
Band A
Band B
All fragments are the same size
Explanation:
Shorter DNA fragments move further through the gel, so the band furthest from the wells represents the shortest fragment.
practiceVCE Year 12 Biology practice questionsHomeostasishardhomeostasis loop
6. The feedback diagram shows blood glucose rising above normal after a meal. Which response helps return glucose toward normal?
Choices
Insulin secretion increases.
Glucagon secretion increases only.
Cells stop using glucose.
Blood glucose is not regulated.
Explanation:
Insulin promotes glucose uptake and storage, lowering blood glucose back toward the set point.
For parents checking senior maths readiness
Year 10 practice can help identify whether a student is comfortable with algebra, geometry, trigonometry, statistics, and probability before choosing senior maths pathways. The demo is a quick way to sample those areas without creating an account.
This demo is in progress
In progress
Year 12 VCE Biology is available to purchase, and the public demo preview is still being prepared.
Students can use the purchased subject once subscribed; this anonymous preview will be opened after the curated public question set is ready.
Does this page include Year 12 VCE Biology practice questions?
Not yet. The Year 12 VCE Biology demo route is public, but the interactive sample questions will open after the reviewed public set is ready.
Can students try the demo without signing up?
No sign-up is required to view the preview status. The no-login interactive demo will be available after the sample set is completed.
How does this demo relate to curriculum coverage?
This demo is linked with the VCE Year 11-12 Biology curriculum coverage page, where parents can compare the broader topic and pathway structure used for Skill Align practice.
