PagineOntario Grade 12 Biology Practice Tests
Five free, full-length practice tests for Grade 12 biology in Ontario, written to the Ontario Curriculum and Resources. Take them online for instant scoring and a skill breakdown, or print them with an answer key.
- 5 full tests
- ~20 questions each
- Answer keys
- Free
Choose a practice test
All questions and passages are original and written for Pagine to match the published curriculum. Pagine is not affiliated with any ministry or department of education, EQAO, CMEC or any assessment body. Not official tests.
Keep going: Grade 12 Mathematics · Grade 12 English · Grade 12 Chemistry · All Grade 12 practice
What these tests cover
Ontario curriculum strands:
Course: Biology (SBI4U)
Skills across all five tests: Homeostasis (13) · Genetics (12) · Molecular Genetics (12) · Metabolic Processes (10) · Evolution (10) · Diversity of Living Things (10) · Biochemistry (9) · Animal Systems (9) · Population Dynamics (6) · Cells & Genetics (5)
Each test covers the main strands of the science curriculum, with some calculation questions from Grade 7 up.
Sample questions from Practice Test 1
- Which organelle produces most of a cell’s energy (ATP)?
A. ribosome B. Golgi body C. mitochondrion D. nucleusShow answer
mitochondrion - Structures with a common origin but different functions, like a whale flipper and a human arm, are…
A. convergent structures B. homologous structures C. vestigial structures D. analogous structuresShow answer
homologous structures - Proteins are made of monomers called…
A. fatty acids B. monosaccharides C. amino acids D. nucleotidesShow answer
amino acids - Carrying capacity is…
A. the birth rate B. the number of predators C. the maximum population an environment can sustain D. the size of a habitat in km²Show answer
the maximum population an environment can sustain
More Grade 12 practice in Ontario
Also useful: printable worksheets · Canadian reading levels · Canadian classics · Ontario curriculum guide
Frequently asked questions
What is in these Ontario Grade 12 Biology practice tests?
Five full original tests of about 20 questions each. Each test covers the main strands of the science curriculum, with some calculation questions from Grade 7 up. You get a score, a skill breakdown and a review of every answer at the end.
Do these tests follow the Ontario curriculum?
Yes. They are written to the Ontario Curriculum and Resources — the strands are STEM skills and connections, Life Systems, Matter and Energy, Structures and Mechanisms, Earth and Space Systems. Pagine summarizes the curriculum in its own words and links to the official documents.
Can I print them?
Yes. Every test has a printable version with an answer key, so you can use it in class or at the kitchen table.
Are these official tests?
All questions and passages are original and written for Pagine to match the published curriculum. Pagine is not affiliated with any ministry or department of education, EQAO, CMEC or any assessment body. Not official tests.