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100+ Free MTTC Biology (017) Practice Questions

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A scientist constructs an energy pyramid for an ecosystem. Why is the producer level always shown as the largest, at the base of the pyramid?

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2026 Statistics

Key Facts: MTTC Biology (017) Exam

220

Passing Scaled Score

MTTC score reporting

$129

Test Fee (2026)

MTTC registration

100 selected-response

Test Format

MTTC Biology (017) test page

2 hr 30 min

Testing Time

MTTC Biology (017) test page

5 subareas

Content Domains

MTTC Biology (017) test objectives

22%

Heaviest Subarea Weight

MTTC Biology (017) test objectives

15%

Cellular Function Weight

MTTC Biology (017) test objectives

100%

Multiple-Choice Score Weight

MTTC Biology (017) test page

MTTC Biology (017) is Michigan's biology content certification test, delivered by Pearson Evaluation Systems as a computer-based exam with 100 selected-response questions and a passing scaled score of 220. The questions are weighted across five subareas: Foundations of Scientific Inquiry 19%, Cellular Function 15%, Heredity and Evolutionary Changes 22%, Organization of Living Things 22%, and Ecological Systems 22%. The current public registration fee is $129, and the appointment runs 2 hours 45 minutes with 2 hours 30 minutes of testing time. This free 100-question bank mirrors the official objective weighting so candidates can practice across every subarea.

Sample MTTC Biology (017) Practice Questions

Try these sample questions to test your MTTC Biology (017) exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In a controlled experiment testing whether a fertilizer increases plant growth, which of the following is the independent variable?
A.The amount of fertilizer applied to each plant
B.The height of the plants after four weeks
C.The number of leaves produced
D.The dry mass of the harvested plants
Explanation: The independent variable is the factor the experimenter deliberately manipulates. Here the researcher controls how much fertilizer each plant receives, so the amount of fertilizer is the independent variable.
2A student forms the statement, "If plants are given more light, then they will grow taller." Which component of scientific reasoning does this statement best represent?
A.A testable hypothesis
B.A scientific law
C.A control group
D.A conclusion
Explanation: A hypothesis is a tentative, testable, and falsifiable explanation or prediction, often phrased as an if-then statement that relates a manipulated factor to a measurable outcome. This statement predicts a relationship that can be experimentally tested.
3Which of the following best distinguishes a scientific theory from a hypothesis?
A.A theory is a broad, well-substantiated explanation supported by extensive evidence
B.A theory is an untested guess awaiting experimentation
C.A theory is a fact that can never be revised
D.A theory applies only to a single observation
Explanation: In science, a theory is a comprehensive explanation of an aspect of the natural world that is supported by a large body of repeatedly confirmed evidence, such as the theory of evolution. It unifies many observations and hypotheses rather than being a mere guess.
4A teacher is setting up a lab in which students heat liquids over a Bunsen burner. Which safety practice is most important to require?
A.Students wear safety goggles and tie back long hair
B.Students work alone to avoid distraction
C.Students taste small samples to identify substances
D.Students point heated test tubes toward themselves to observe reactions
Explanation: Proper personal protective equipment is essential whenever heating substances. Safety goggles protect the eyes from splashes and shattering glass, and tying back long hair prevents it from catching fire near an open flame.
5Which piece of equipment is most appropriate for accurately measuring 24.0 mL of a liquid for a chemistry experiment?
A.A graduated cylinder
B.A beaker
C.An Erlenmeyer flask
D.A test tube
Explanation: A graduated cylinder has finely marked volume gradations designed for measuring liquid volumes with reasonable precision, reading at the bottom of the meniscus. Beakers and flasks have approximate markings intended for mixing, not precise measurement.
6In an experiment, a group that receives no treatment but is otherwise identical to the experimental groups serves as the control. What is the primary purpose of this control group?
A.To provide a baseline for comparison so the effect of the treatment can be isolated
B.To increase the number of subjects in the study
C.To guarantee the hypothesis is supported
D.To introduce a second independent variable
Explanation: A control group experiences all conditions except the variable being tested, giving researchers a baseline against which to compare experimental results. Differences between the treated and control groups can then be attributed to the manipulated variable.
7A researcher repeats an experiment many times and obtains consistent results. This repetition primarily improves the experiment's:
A.Reliability
B.Independent variable
C.Bias
D.Hypothesis
Explanation: Repeating trials and obtaining consistent outcomes increases reliability, meaning the results are reproducible and less likely to be due to chance or random error. Replication is a cornerstone of trustworthy scientific evidence.
8Which of the following best describes the role of peer review in the scientific process?
A.Independent experts evaluate the methods and conclusions before publication
B.It guarantees that the results are absolutely correct
C.It replaces the need for replication of experiments
D.It is performed only by the original researcher
Explanation: Peer review is a quality-control process in which qualified experts who were not involved in the study critically assess its methodology, analysis, and conclusions before publication. This helps catch errors and ensures the work meets scientific standards.
9A student measures a leaf and records its length as 6.4 cm. Which of the following correctly expresses this measurement in millimeters?
A.64 mm
B.0.64 mm
C.640 mm
D.6.4 mm
Explanation: There are 10 millimeters in 1 centimeter, so multiplying 6.4 cm by 10 gives 64 mm. Fluency with metric conversions is essential for recording and interpreting laboratory measurements.
10Which scientist is credited with proposing the binomial system of nomenclature used to name species, such as Homo sapiens?
A.Carl Linnaeus
B.Charles Darwin
C.Gregor Mendel
D.Louis Pasteur
Explanation: Carl Linnaeus developed the binomial nomenclature system in the 18th century, assigning each species a two-part Latin name consisting of genus and species. This standardized naming system remains the foundation of biological classification.

About the MTTC Biology (017) Exam

The MTTC Biology (017) test is the subject-area assessment for the Michigan biology teaching endorsement. The computer-based test includes 100 selected-response (multiple-choice) questions organized into five subareas spanning the foundations of scientific inquiry, cellular function, heredity and evolutionary changes, the organization of living things, and ecological systems.

Questions

100 scored questions

Time Limit

2 hours 30 minutes testing time (2 hours 45 minutes total appointment)

Passing Score

220 scaled score

Exam Fee

$129 (Michigan Department of Education / Pearson Evaluation Systems)

MTTC Biology (017) Exam Content Outline

19% of this test

Foundations of Scientific Inquiry (Subarea I)

Scientific methods and experimental design including hypotheses, variables, and controls; the history and tentative nature of science; laboratory safety, equipment, and measurement; data analysis and graph interpretation; contemporary issues in science and technology; and connections among biology, chemistry, physics, and earth science.

15% of this test

Cellular Function (Subarea II)

Cell theory and the chemical components of cells; cell structure and organelle function; the plasma membrane and transport processes; enzymes and biochemistry; cellular respiration, fermentation, and photosynthesis; and the cell cycle and mitosis.

22% of this test

Heredity and Evolutionary Changes (Subarea III)

Mendelian genetics and probability, molecular genetics and the central dogma, mutations, modern genetic and biotechnology techniques such as PCR and restriction enzymes, population genetics and Hardy-Weinberg equilibrium, the mechanisms of evolution and natural selection, speciation, and evidence of ancient life.

22% of this test

Organization of Living Things (Subarea IV)

Classification and taxonomy across domains and kingdoms; reproduction and development; the structure and function of plant and animal body systems; homeostasis and feedback; human anatomy and physiology; microorganisms and viruses; and disease and the immune response.

22% of this test

Ecological Systems (Subarea V)

Populations, communities, and species interactions; human population growth; energy transfer through trophic levels and the ten percent rule; biogeochemical cycles for carbon, nitrogen, and water; human impacts such as pollution, eutrophication, and invasive species; biodiversity; and natural resource management and conservation.

How to Pass the MTTC Biology (017) Exam

What You Need to Know

  • Passing score: 220 scaled score
  • Exam length: 100 questions
  • Time limit: 2 hours 30 minutes testing time (2 hours 45 minutes total appointment)
  • Exam fee: $129

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

MTTC Biology (017) Study Tips from Top Performers

1Allocate study time by subarea weight: Heredity, Organization of Living Things, and Ecological Systems each carry 22% and together make up two-thirds of the test
2Practice genetics problems such as Punnett squares, dihybrid crosses, and Hardy-Weinberg calculations because they appear frequently and reward calculation fluency
3Review the structure and function of human body systems and how each contributes to homeostasis
4Study energy flow, trophic levels, the ten percent rule, and the carbon, nitrogen, and water cycles for the ecology subarea
5Reinforce cell biology fundamentals including organelle functions, membrane transport, respiration, photosynthesis, and the phases of mitosis
6Use data tables, graphs, and experimental scenarios to practice scientific inquiry skills, since many items test analysis rather than recall

Frequently Asked Questions

What is on the MTTC Biology (017) test?

The test covers five subareas: Foundations of Scientific Inquiry (19%), Cellular Function (15%), Heredity and Evolutionary Changes (22%), Organization of Living Things (22%), and Ecological Systems (22%). All questions are selected-response (multiple-choice) items assessing biology content and scientific reasoning.

How many questions are on the MTTC Biology (017) test and what is the format?

The computer-based test has 100 selected-response (multiple-choice) questions. There are no constructed-response assignments on this field, so your entire score is based on the multiple-choice questions across the five subareas.

What is the passing score for MTTC Biology (017)?

You need a scaled score of 220 to pass the MTTC Biology (017) test, the standard passing score used across MTTC tests. Scores are reported on a scale, and the raw number of correct answers is converted to this scaled score.

How much does the MTTC Biology (017) test cost in 2026?

The current registration fee for the MTTC Biology (017) test is $129. Always confirm the exact amount in your Pearson registration portal before checkout, since fees can be updated and additional services may carry extra charges.

How long is the MTTC Biology (017) test appointment?

The total appointment is 2 hours and 45 minutes, which includes about 15 minutes for the computer-based testing tutorial and nondisclosure agreement, leaving 2 hours and 30 minutes for the 100 selected-response questions.

Which subareas carry the most weight on the MTTC Biology (017) test?

Three subareas are tied as the heaviest at 22% each: Heredity and Evolutionary Changes, Organization of Living Things, and Ecological Systems. Cellular Function is the lightest at 15%, and Foundations of Scientific Inquiry accounts for 19%.