Praxis Practice Questions

Praxis 5235 Practice Test Practice Questions

Praxis Biology: Content Knowledge (5235) — This praxis 5235 practice test gives you focused biology review with realistic questions on cell biology, genetics, evolution, ecology, and lab skills. Each answer includes a clear explanation, so you can practice the reasoning behind Praxis Biology questions instead of just checking whether an answer choice was right.

150

Total Questions

2 hours 30 minutes

Time Limit

Varies by state

Passing Score

$130

Registration Fee

Free Sample Questions

Here are 5 free sample questions from our full bank of 580+ Praxis 5235 Practice Testpractice questions. Try them out below — click "Show Answer" to reveal the correct response and explanation.

A student observes that a plant cell placed in a hypertonic salt solution loses turgor pressure and the plasma membrane pulls away from the cell wall. Which process best explains this observation?

AA) Osmosis moves water out of the cell toward the higher solute concentration

BB) Active transport moves salt ions out of the cytoplasm

CC) Facilitated diffusion moves glucose into the vacuole

DD) Endocytosis removes water from the cell membrane

In fruit flies, red eyes are dominant to white eyes. A heterozygous red-eyed female is crossed with a white-eyed male. Assuming simple Mendelian inheritance for this trait, what percentage of the offspring are expected to have white eyes?

AA) 0%

BB) 25%

CC) 50%

DD) 100%

Which evidence would most directly support the claim that two bird species share a recent common ancestor?

AA) They live in similar forest habitats on different continents

BB) They both use songs during courtship behavior

CC) They eat insects during the same season of the year

DD) Their DNA sequences show a high degree of similarity in homologous genes

A sudden increase in nitrogen runoff enters a pond and causes a rapid algal bloom. Which outcome is most likely after the algae die and decompose?

AA) Dissolved oxygen increases because decomposers release oxygen

BB) Dissolved oxygen decreases as decomposers carry out aerobic respiration

CC) Primary productivity stops permanently because nitrogen is removed

DD) Consumer biomass immediately increases at all trophic levels

A biology teacher wants students to test whether light intensity affects photosynthesis rate in aquatic plants. Which setup provides the best control of variables?

AA) Use identical plants, keep carbon dioxide and temperature constant, and vary only the distance from the light source

BB) Use different plant species, different water temperatures, and one light distance for all trials

CC) Use identical plants but change both light distance and carbon dioxide concentration at the same time

DD) Use one plant under bright light and compare it with a different plant kept in darkness

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About the Praxis 5235 Practice Test

Format & Structure

Total Questions: 150
Time Limit: 2 hours 30 minutes
Format: Computer-delivered selected-response questions

Scoring & Cost

Passing Score: Varies by state
Registration Fee: $130

Frequently Asked Questions

What is the Praxis Biology: Content Knowledge (5235) test?

Praxis Biology: Content Knowledge (5235) is a Praxis Subject Assessment for candidates preparing to teach secondary biology. It measures college-level biology knowledge and the science practices a beginning biology teacher is expected to understand.

How many questions are on Praxis 5235?

Praxis 5235 has 150 selected-response questions. The questions cover biology content, scientific inquiry, lab methodology, data interpretation, and the relationship between science, technology, and society.

How long do I have to complete Praxis Biology 5235?

The time limit is 2 hours and 30 minutes. Since there are 150 questions, pacing matters: you have about one minute per question, so it helps to move steadily and return to harder items later.

What topics should I study for Praxis 5235?

The official content areas include nature of science, molecular and cellular biology, genetics and evolution, diversity of life and organismal biology, ecology, and science, technology, and social perspectives. A strong praxis biology practice test should include both content recall and application questions, especially questions involving data, experiments, and biological reasoning.

What score do I need to pass Praxis Biology 5235?

Passing scores are set by individual states and licensing agencies, not by one national rule. Check your state education agency or Praxis score requirements before registering so you know the exact qualifying score for your certification pathway.

How much does Praxis 5235 cost?

The registration fee is commonly listed as $130. Extra fees may apply for services such as changing an appointment, late registration, or sending additional score reports, so review the current Praxis registration page before you schedule.

How should I use a praxis 5235 practice test to study?

Start with a timed set to identify your weakest content areas, then review every missed question carefully. After that, study by domain: for example, spend one session on cellular respiration, another on Mendelian and molecular genetics, and another on ecology graphs and experimental design.

Can I retake Praxis 5235 if I do not pass?

Yes. Praxis retake rules generally require a waiting period before another attempt, and you will need to register and pay again. Use your score report during that waiting period to target the categories where you lost the most points.

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