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🌉 California · Grade 10

California Grade 10 Biology Practice Tests

Five free, full-length Grade 10 biology practice tests for California, written to the California Common Core State Standards, NGSS and History–Social Science Framework. Take them online for instant scoring and a skill breakdown, or print them with an answer key.

Choose a practice test

Practice Test 120 questions · Molecular Genetics · Evolution · Metabolic Processes
Practice Test 220 questions · Molecular Genetics · Biochemistry · Homeostasis
Practice Test 320 questions · Genetics · Animal Systems · Homeostasis
Practice Test 420 questions · Biochemistry · Molecular Genetics · Evolution
Practice Test 520 questions · Cells & Genetics · Animal Systems · Genetics

All questions and passages are original and written for Pagine to match the published curriculum. Pagine is not affiliated with any government, ministry, department of education, exam board or assessment body. Not official tests.

What these tests cover

Physical scienceLife scienceEarth & space scienceEngineering & science practices

Skills across all five tests: Molecular Genetics (14) · Homeostasis (12) · Genetics (11) · Metabolic Processes (10) · Animal Systems (10) · Biochemistry (10) · Evolution (9) · Diversity of Living Things (9) · Cells & Genetics (6) · Population Dynamics (5)

Each test covers the main strands of the science curriculum, with calculation questions in upper levels.

Sample questions from Practice Test 1

  1. The final electron acceptor in aerobic cellular respiration is…
    A. glucose   B. oxygen   C. carbon dioxide   D. water
    Show answeroxygen
  2. DNA’s base-pairing rule is…
    A. A with G, and C with T   B. A with C, and T with G   C. A with T, and C with G   D. A with U only
    Show answerA with T, and C with G
  3. Crossing over during meiosis increases…
    A. the number of chromosomes   B. genetic variation   C. mutation rates only   D. cell size
    Show answergenetic variation
  4. Antibodies are produced by…
    A. neurons   B. platelets   C. red blood cells   D. B cells (lymphocytes)
    Show answerB cells (lymphocytes)

More Grade 10 practice

Also useful: printable worksheets · free books · California curriculum guide

Frequently asked questions

What is in these California Grade 10 Biology practice tests?

Five full original tests of about 20 questions each. Each test covers the main strands of the science curriculum, with calculation questions in upper levels. You get a score, a skill breakdown and a review of every answer at the end.

Do these tests follow the California curriculum?

Yes. They are written to the California Common Core State Standards, NGSS and History–Social Science Framework — Physical science, Life science, Earth & space science, Engineering & science practices. 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.

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 government, ministry, department of education, exam board or assessment body. Not official tests.

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