CLEP Biology (College Board) — Free Online Mock Test
CLEP · ~100 MCQ in 90m. Molecular & cellular biology, organismal biology, and population biology/ecology & evolution. Credit-granting score 50/80. · Official language: English.
CLEP Biology exam at a glance
CLEP Biology key facts & eligibility
| Conducting body | College Board (College-Level Examination Program, CLEP) |
|---|---|
| Official website | clep.collegeboard.org ↗ |
| Mode | A credit-by-examination test covering the content of a full-year college general biology course. It is a computer-based, multiple-choice exam taken at a CLEP test centre. |
| Frequency | Offered year-round on demand at CLEP test centres. |
| Scoring & marking | About 115 multiple-choice questions in 90 minutes (no calculator). CLEP uses a 20–80 scaled score with rights-only scoring (no penalty for wrong answers), and the ACE-recommended credit-granting score is 50 (each college sets its own policy). Content is roughly one third each: molecular and cellular biology, organismal biology, and population biology (evolution, ecology, behaviour). |
| Score validity | Credit awarded is permanent once accepted by an institution. |
| Language | English. |
Who is eligible for CLEP Biology?
Open to anyone seeking college credit by examination; no formal prerequisite.
Last verified July 2026 against College Board — CLEP Biology. Always confirm current details on the official website before you register.
CLEP Biology section breakdown
The CLEP Biology 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.
-
CLEP Biology (55 Q)
CLEP Biology scoring & marking scheme
Strategy: CLEP Biology has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: CLEP Biology (pass 700/1000).
How CLEP Biology is conducted
- Mode
- Test format
- Backtracking
- Mark for review
CLEP Biology time strategy
With 55 questions in 90 minutes, you have about 98 seconds per question on average. Successful candidates aim for the following pacing on each section:
- CLEP Biology (55 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.
CLEP Biology topics covered
Across the 50 Wrexa Edge variants of CLEP Biology, the following topics appear most often (sample distribution from one variant):
CLEP Biology (55 Q)
- Biology — Fundamentals · 55
CLEP Biology difficulty calibration
Intermediate tier. Intermediate-level: assumes a working command of the syllabus. Most candidates need 2-4 months of focused prep.
CLEP · ~100 MCQ in 90m. Molecular & cellular biology, organismal biology, and population biology/ecology & evolution. Credit-granting score 50/80. · Official language: English.
Verified content — Wrexa Edge's CLEP Biology bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for CLEP Biology
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what CLEP Biology really tests
CLEP Biology covers a full-year general-biology course — about 115 multiple-choice questions in 90 minutes (no calculator). It uses the 20–80 CLEP scale with rights-only scoring and an ACE-recommended credit score of 50. Content is roughly a third each: molecular and cellular, organismal, and population biology.
Preparation tips
- Balance all three areas — molecular/cellular, organismal and population biology.
- Know core processes (metabolism, genetics, evolution, ecology) well.
- Answer every question — CLEP has no penalty for guessing.
⚠️ Common mistakes to avoid
- Over-focusing on cellular biology and neglecting ecology/evolution.
- Assuming every college awards credit at 50 — check the school’s policy.
CLEP Biology 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, metabolism and genetics
- Molecular biology fundamentals
- Sample-question practice
- Organismal biology (systems, reproduction)
- Evolution, ecology and behaviour
- Timed multiple-choice sets
- Full-length practice test
- Rights-only scoring — answer everything
- Target well above the ACE score of 50
Where CLEP Biology can take you
A strong CLEP Biology result opens up these careers and higher-study paths:
- College credit
- Faster degree
- Science foundation
- No guessing penalty
Best books & official prep for CLEP Biology
- CLEP Official Study Guide — College Board
- College general-biology textbook (e.g. Campbell) — Various
Official practice: Work through a college general-biology text across all three areas and use the CLEP Official Study Guide; with rights-only scoring, answer every question and aim above the ACE score of 50.
Previous-year papers: College Board publishes sample questions and a study guide; there are no released full past papers.
Frequently asked questions
- What is the CLEP Biology exam pattern?
- CLEP Biology (College Board) contains 55 questions across 1 section: CLEP Biology (55 Q). Total duration is 90 minutes (about 98 seconds per question).
- Does CLEP Biology have negative marking?
- No — CLEP Biology has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is CLEP Biology scored?
- Scaled score range: 100 to 1000. CLEP Biology (pass 700/1000).
- How can I practise CLEP Biology online for free?
- Wrexa Edge gives you 10 free full-length CLEP Biology 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 CLEP Biology?
- CLEP Biology 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. CLEP · ~100 MCQ in 90m. Molecular & cellular biology, organismal biology, and population biology/ecology & evolution. Credit-granting score 50/80. · Official language: English.
- How long is the CLEP Biology exam?
- CLEP Biology runs for 90 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 CLEP Biology?
- CLEP Biology is split into: CLEP Biology (55 Q). Each section is timed and weighted separately. CLEP · ~100 MCQ in 90m. Molecular & cellular biology, organismal biology, and population biology/ecology & evolution. Credit-granting score 50/80. · Official language: English.
- What tools or aids are allowed during CLEP Biology?
- 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 CLEP Biology test adaptive?
- No — CLEP Biology is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many CLEP Biology mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct CLEP Biology variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 2750 unique practice questions in the real test-day interface.
- Is there a free CLEP Biology test series 2026?
- Yes. The Wrexa Edge CLEP Biology 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 CLEP Biology previous year question–style papers included?
- Every CLEP Biology mock is modelled on the official exam pattern and the style of previous years' papers — the same 55-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free CLEP Biology mock test online?
- Wrexa Edge's CLEP Biology 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 CLEP Biology mock test on mobile?
- Yes. CLEP Biology 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 CLEP Biology syllabus?
- The CLEP Biology syllabus maps to its 1 section: CLEP Biology (55 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 CLEP Biology?
- Eligibility for CLEP Biology — 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 CLEP Biology practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the CLEP Biology exam and how should I prepare?
- Official CLEP Biology 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 CLEP Biology mocks with instant scoring so you can track your readiness week by week.
Related exams & practice tests
Candidates preparing for CLEP Biology also practise these on Wrexa Edge:
Browse more: All University & Higher Ed exams → · All United States exams → · Full exam catalog →
Ready to ace CLEP Biology?
Join thousands of candidates practising on Wrexa Edge. Free signup, 50 variants per exam, instant scoring.
Start practising free →