Praxis Biology CK (Praxis Biology: Content Knowledge (5236)) — Free Online Mock Test
Praxis · ~150 selected-response in 2.5h. Cells, genetics & evolution, organisms, ecology, scientific inquiry and the nature of science. · Official language: English.
Praxis Biology CK exam at a glance
Praxis Biology CK key facts & eligibility
| Conducting body | ETS (Educational Testing Service) — The Praxis Tests |
|---|---|
| Official website | ets.org/praxis ↗ |
| Mode | Praxis Biology: Content Knowledge, test code 5236 — a subject-area licensure exam for prospective secondary biology teachers. It is a computer-delivered selected-response test. |
| Frequency | Offered by appointment during testing windows at Praxis test centres and online. |
| Scoring & marking | It has about 150 selected-response questions in 150 minutes. Content covers the nature and impact of science and engineering, cell biology (structure and function), genetics and evolution, the diversity of life and organismal biology, and ecology. Each state sets its own passing score. |
| Score validity | Praxis scores are typically reportable for about 10 years; states set their own recency rules. |
| Language | English. |
Who is eligible for Praxis Biology CK?
Taken by prospective secondary biology teachers for state licensure; requirements are set by each state.
Last verified July 2026 against ETS — Praxis Biology: Content Knowledge (5236). Always confirm current details on the official website before you register.
Praxis Biology CK section breakdown
The Praxis Biology CK mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
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Praxis Biology CK (60 Q)
Praxis Biology CK scoring & marking scheme
Strategy: Praxis Biology CK has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: Praxis Biology CK (pass 700/1000).
How Praxis Biology CK is conducted
- Mode
- Test format
- Backtracking
- Mark for review
Praxis Biology CK time strategy
With 60 questions in 150 minutes, you have about 150 seconds per question on average. Successful candidates aim for the following pacing on each section:
- Praxis Biology CK (60 Q)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
Praxis Biology CK topics covered
Across the 50 Wrexa Edge variants of Praxis Biology CK, the following topics appear most often (sample distribution from one variant):
Praxis Biology CK (60 Q)
- Biology — Fundamentals · 60
Praxis Biology CK difficulty calibration
Intermediate tier. Intermediate-level: assumes a working command of the syllabus. Most candidates need 2-4 months of focused prep.
Praxis · ~150 selected-response in 2.5h. Cells, genetics & evolution, organisms, ecology, scientific inquiry and the nature of science. · Official language: English.
Verified content — Wrexa Edge's Praxis Biology CK bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for Praxis Biology CK
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what Praxis Biology CK really tests
Praxis Biology: Content Knowledge (5236) is the secondary-biology licensure content exam — about 150 selected-response questions in 150 minutes. It spans the nature of science, cell biology, genetics and evolution, the diversity of life and organismal biology, and ecology. States set their own passing scores.
Preparation tips
- Cover all branches evenly — the exam samples the whole biology curriculum.
- Know core processes: metabolism, genetics, evolution and ecology.
- Practise a full 150-question set to build stamina and pacing.
⚠️ Common mistakes to avoid
- Over-focusing on molecular biology and neglecting ecology/organismal topics.
- Not learning your specific state’s passing score for 5236.
Praxis Biology CK study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Cell structure and function
- Genetics and evolution
- Selected-response practice
- Diversity of life and organismal biology
- Ecology and the nature of science
- Timed question sets
- Full ~150-question timed practice
- Review weak content areas
- Meet your state’s passing score
Where Praxis Biology CK can take you
A strong Praxis Biology CK result opens up these careers and higher-study paths:
- Secondary biology licensure
- Subject mastery
- State-set cut score
- Broad coverage
Best books & official prep for Praxis Biology CK
- Praxis Biology 5236 Study Companion — ETS
- College-level biology review guides — Various
Official practice: Use the free ETS Study Companion for 5236 and review biology from cells and genetics to ecology; check your state’s passing score.
Previous-year papers: ETS provides official practice questions; there are no released full past papers.
Frequently asked questions
- What is the Praxis Biology CK exam pattern?
- Praxis Biology: Content Knowledge (5236) contains 60 questions across 1 section: Praxis Biology CK (60 Q). Total duration is 150 minutes (about 150 seconds per question).
- Does Praxis Biology CK have negative marking?
- No — Praxis Biology CK has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is Praxis Biology CK scored?
- Scaled score range: 100 to 1000. Praxis Biology CK (pass 700/1000).
- How can I practise Praxis Biology CK online for free?
- Wrexa Edge gives you 10 free full-length Praxis Biology CK mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of Praxis Biology CK?
- Praxis Biology CK is rated Intermediate difficulty on Wrexa Edge. Intermediate-level: assumes a working command of the syllabus. Most candidates need 2-4 months of focused prep. Praxis · ~150 selected-response in 2.5h. Cells, genetics & evolution, organisms, ecology, scientific inquiry and the nature of science. · Official language: English.
- How long is the Praxis Biology CK exam?
- Praxis Biology CK runs for 150 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in Praxis Biology CK?
- Praxis Biology CK is split into: Praxis Biology CK (60 Q). Each section is timed and weighted separately. Praxis · ~150 selected-response in 2.5h. Cells, genetics & evolution, organisms, ecology, scientific inquiry and the nature of science. · Official language: English.
- What tools or aids are allowed during Praxis Biology CK?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the Praxis Biology CK test adaptive?
- No — Praxis Biology CK is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many Praxis Biology CK mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct Praxis Biology CK variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 3000 unique practice questions in the real test-day interface.
- Is there a free Praxis Biology CK test series 2026?
- Yes. The Wrexa Edge Praxis Biology CK test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are Praxis Biology CK previous year question–style papers included?
- Every Praxis Biology CK mock is modelled on the official exam pattern and the style of previous years' papers — the same 60-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free Praxis Biology CK mock test online?
- Wrexa Edge's Praxis Biology CK mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the Praxis Biology CK mock test on mobile?
- Yes. Praxis Biology CK mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the Praxis Biology CK syllabus?
- The Praxis Biology CK syllabus maps to its 1 section: Praxis Biology CK (60 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for Praxis Biology CK?
- Eligibility for Praxis Biology CK — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic Praxis Biology CK practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the Praxis Biology CK exam and how should I prepare?
- Official Praxis Biology CK exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 10 free Praxis Biology CK mocks with instant scoring so you can track your readiness week by week.
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