Question 1
In a Mendelian cross, a heterozygous tall pea plant (Tt) is crossed with a homozygous short plant (tt). What fraction of the offspring are expected to be tall?
Correct Answer:
One half
Question 2
Which structure in a eukaryotic cell is the primary site of aerobic respiration and ATP production?
Correct Answer:
Mitochondrion
Question 3
During DNA replication, an adenine base on one strand pairs with which complementary base on the new strand?
Correct Answer:
Thymine
Question 4
In humans, which chromosome combination determines a typical genetic male?
Correct Answer:
XY
Question 5
Which tissue type in plants is primarily responsible for transporting water and dissolved minerals upward from the roots?
Correct Answer:
Xylem
Question 1
Exam overview

About this Exam

The Natural Sciences CLEP (College-Level Examination Program) exam is a comprehensive computer-based test designed to measure a student’s understanding of introductory physical and biological science.

It is specifically created for individuals seeking college credit without enrolling in a semester-long course.

Successful completion allows students to demonstrate knowledge equivalent to standard college freshman or sophomore requirements, saving significantly on both time and tuition costs.

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Additional Information

What the Course Entails and Exam Details

The exam content is divided almost equally between Biological Sciences (50%) and Physical Sciences (50%).

In the Biological Science category, topics include:

  • Origin and evolution of life

  • Cell organization and molecular biology

  • Classic genetics and modern inheritance

  • Population biology, ecosystems, and human ecology

In the Physical Science category, subjects covered are:

  • Atomic and nuclear structure and properties

  • Chemical elements, reactions, and stoichiometry

  • Thermodynamics, matter, and chemical bonding

  • Classical mechanics, electricity, and magnetism

  • Earth science and basic geology

  • Astronomy and the structure of the universe

The examination assesses factual knowledge as well as the ability to interpret scientific data and understand fundamental principles.


What to Expect in the Final Exam

Candidates should expect a computer-administered test consisting of approximately 115 multiple-choice questions.

You will be given exactly 90 minutes to complete the exam.

Some questions require not just knowledge, but the analytical skill to evaluate information presented in tables, charts, and graphs.

A non-programmable, four-function calculator is often provided within the testing software for specific questions.

CLEP scores are reported on a scaled range from 20 to 80; while passing scores vary by institution, a score of 50 is generally considered the minimum for credit.


How to Study and Exam Centers

Effective Study Strategies:

Because this exam covers a vast amount of material, start by reviewing standard high school or introductory college textbooks on general biology and physical science.

Focus on understanding major cycles (e.g., the water cycle, Krebs cycle) and fundamental laws (e.g., Newton’s laws, basic thermodynamics).

The most crucial study tool is a reliable "Natural Science CLEP Practice Exam" to gauge your readiness and identify weakness areas.

We recommend timed practice tests to familiarize yourself with the 90-minute constraint.

Testing Information and Locations:

CLEP exams are not taken online at home but at official designated testing centers.

These centers are located at over 2,000 college and university test centers and independent test centers across the United States and internationally.

You must register through the official College Board website, where you can locate and select a testing center near you.


Job Opportunities from the Course

Passing the Natural Sciences CLEP does not grant a specific professional certification, but it accelerates degree completion. This acceleration allows individuals to enter science-related career paths faster. Possible job titles upon graduation include:

  • Laboratory Technician

  • Research Assistant

  • Environmental Consultant (Entry-Level)

  • Science Teacher (with required licensure)

  • Conservation Specialist

  • Chemical Sales Representative

  • Pharmaceutical Representative

  • Health Care Administrator (supporting role)

  • Geological Technician

Quiz information

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