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Biology Practice Test

140 questions available

The Biology Certification Exam is a rigorous, industry-recognized assessment that validates a candidate's comprehensive understanding of core biological principles and their application in professional, research, and educational contexts. Achieving this certification demonstrates mastery across cellular and molecular biology, genetics, evolution, ecology, and organismal biology. It signifies not only a deep theoretical knowledge but also the analytical skills necessary to interpret data, solve complex biological problems, and apply scientific reasoning. Recognized by academic institutions, research organizations, and biotechnology firms, this credential serves as an objective benchmark of competency, distinguishing certified professionals in a competitive field. It is particularly valuable for educators, lab technicians, research assistants, and professionals in healthcare or environmental science seeking to formalize and verify their expertise, thereby enhancing their credibility and professional standing.

Certification exam
115 Exam questions
1 hour 30 minutes Time Limit
Career Opportunities & Salary
Entry $44,373 - $62,373
Mid-Career $59,373 - $82,373
Senior $79,373 - $109,373
stable market
Why This Certification Opens Doors

In the rapidly advancing fields of life sciences, biotechnology, and healthcare, a validated standard of knowledge is critical for career progression and professional credibility. This certification provides tangible proof of your biological expertise, directly impacting hiring decisions, promotion potential, and salary negotiations. It signals to employers, peers, and academic institutions a commitment to professional excellence and a foundational competency that is essential for roles in research, education, clinical support, and regulatory affairs. Industry recognition of this credential opens doors to advanced opportunities and establishes you as a qualified professional with a verified, standardized skill set that meets current industry and academic standards.

Exam Blueprint

Each domain is weighted to match the real certification exam, so a full practice simulation predicts your result.

01Organismal BiologyStructure and function in plants with emphasis on angiosperms, Structure and function in animals with emphasis on vertebrates, Principles of heredity
34%
02Molecular and Cellular BiologyChemical composition of organisms, Simple chemical reactions and bonds, Properties of water, Chemical structure of carbohydrates, lipids, proteins, and nucleic acids, Origin of life, Cells
33%
03Population BiologyPrinciples of ecology, Principles of evolution, Classification of living organisms, Evolutionary history of humans, Principles of behavior, Human population growth
33%
Exam Details BIO | $93 USD | 1 hour 30 minutes
Exam Code BIO
Vendor CLEP
Exam Cost $93 USD
Passing Score 50
Time Limit 1 hour 30 minutes
Exam questions 115
Question Types Multiple Choice (100%)
Retake Policy Each institution reserves the right to set its own credit-granting policy, which may differ from the American Council on Education (ACE). Contact your college to find out the score required for credit and the number of credit hours granted.
Exam Format Multiple-choice (computer-based)
Available In
English
Study Resources
CLEP Biology Examination Guide
CLEPFree
The Biology exam covers molecular and cellular biology, organismal biology, and population biology.
Study Resources: Biology
CLEPFree
A study plan and list of online resources.
Sample Questions: Biology
CLEPFree
Answer sample questions related to the Biology exam.
CLEP Practice App
examIamFree
Official CLEP eguides from examIam.
What Your CLEP Score Means
CLEPFree
Guide to understanding how CLEP scores are calculated and credit-granting recommendations for all exams.
ACE Credit Recommendations
American Council on Education (ACE)Free
Recommendations for credit-granting scores from the American Council on Education.
Frequently Asked Questions

Who is the target audience for the Biology Certification Exam?

The exam is designed for individuals seeking to validate their comprehensive knowledge in biology. This includes high school and college-level educators, laboratory technicians, research associates, pre-professional students (pre-med, pre-vet), science writers, environmental consultants, and professionals in biotechnology or pharmaceutical support roles who require a strong foundational credential.

What are the typical prerequisites or recommended experience for taking the exam?

While formal prerequisites may not be mandatory, successful candidates typically have completed university-level coursework in general biology, genetics, cell biology, and ecology, equivalent to a bachelor's degree minor or major in biology. Substantial professional or research experience in a biology-related field is also considered strong preparation. It is recommended that candidates engage in structured review of all core topics outlined in the official exam blueprint.

How does this certification benefit educators specifically?

For educators, this certification provides an authoritative, third-party validation of subject matter expertise, which can enhance professional credibility, meet continuing education requirements, and strengthen qualifications for teaching advanced placement (AP), International Baccalaureate (IB), or dual-enrollment courses. It demonstrates a commitment to content mastery, which is highly valued by school administrations and can be a factor in career advancement.

Is the certification vendor-neutral, and what is its recognition level?

Yes, this is a vendor-neutral certification focused on core biological principles, not specific methodologies or proprietary technologies. It is recognized by a wide range of academic institutions, professional societies in the life sciences, and employers in research, education, and applied biology fields as a benchmark of foundational competency. Its value lies in its standardized assessment of universally accepted biological knowledge.

What is the recertification or renewal process?

To maintain the currency and validity of the certification, holders are typically required to renew their credential every three to five years. This can be achieved by earning continuing education units (CEUs) through approved activities such as attending relevant workshops, completing advanced coursework, publishing research, or participating in professional development. Alternatively, retaking the current exam may be an option. Specific requirements are detailed in the certification maintenance policy.

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