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Praxis Biology: Content Knowledge (5236) practice test

2026-2027 exam practice page

6 practice questions

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Praxis Biology: Content Knowledge (5236)

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Question 1 Understand cell biology and organelles

Question 1: Understand cell biology and organelles

Which organelle is the primary site of ATP production through cellular respiration in eukaryotic cells?

Question 2 Apply principles of genetics

Question 2: Apply principles of genetics

In a cross between two heterozygous parents for a single trait, written Aa by Aa, what fraction of offspring is expected to be homozygous recessive?

Question 3 Understand the structure of DNA

Question 3: Understand the structure of DNA

In a double-stranded DNA molecule, the nitrogenous base adenine always pairs with:

Question 4 Understand evolution and natural selection

Question 4: Understand evolution and natural selection

According to Darwin's theory of natural selection, which condition is necessary for evolution by natural selection to occur within a population?

Question 5 Apply ecology concepts

Question 5: Apply ecology concepts

In an energy pyramid, approximately what percentage of energy is typically transferred from one trophic level to the next higher level?

Question 6 Understand cellular processes

Question 6: Understand cellular processes

During which phase of mitosis do sister chromatids separate and move toward opposite poles of the cell?

Question 7 Understand human anatomy and physiology

Question 7: Understand human anatomy and physiology

Which chamber of the human heart pumps oxygenated blood out to the body through the aorta?

Question 8 Apply knowledge of photosynthesis

Question 8: Apply knowledge of photosynthesis

In photosynthesis, the light-dependent reactions take place in which part of the chloroplast?

Question 9 Understand protein synthesis

Question 9: Understand protein synthesis

The process by which the genetic information in messenger RNA is used to assemble a chain of amino acids is called:

Question 10 Apply knowledge of cell transport

Question 10: Apply knowledge of cell transport

The movement of water across a selectively permeable membrane from a region of higher water concentration to a region of lower water concentration is called:

Question 11 Understand ecological relationships

Question 11: Understand ecological relationships

A relationship in which one organism benefits while the other is harmed, such as a tapeworm living in a host's intestine, is best described as:

Question 12 Understand the classification of organisms

Question 12: Understand the classification of organisms

In the modern system of biological classification, which taxonomic level is the broadest and most inclusive?

Question 13 Apply knowledge of enzymes

Question 13: Apply knowledge of enzymes

An enzyme increases the rate of a biochemical reaction primarily by:

Question 14 Understand cellular respiration

Question 14: Understand cellular respiration

In aerobic cellular respiration, what is the final electron acceptor in the electron transport chain?

Question 15 Apply principles of inheritance

Question 15: Apply principles of inheritance

A trait that appears more frequently in males than in females and is carried on the X chromosome is best described as:

Question 16 Understand the nervous system

Question 16: Understand the nervous system

The basic structural and functional unit of the nervous system, specialized to transmit electrical impulses, is the:

Question 17 Understand population ecology

Question 17: Understand population ecology

A population that grows rapidly and produces a J-shaped curve when resources are unlimited is exhibiting:

Question 18 Apply knowledge of meiosis

Question 18: Apply knowledge of meiosis

A key outcome of meiosis that contributes to genetic variation is the production of gametes that are:

Question 19 Understand biogeochemical cycles

Question 19: Understand biogeochemical cycles

In the carbon cycle, the process of cellular respiration by living organisms primarily:

Question 20 Understand evidence for evolution

Question 20: Understand evidence for evolution

Structures such as the forelimbs of humans, whales, and bats that share a common underlying skeletal pattern despite different functions are called:

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What this 2026-2027 Praxis Biology: Content Knowledge (5236) Practice Test covers

Purchase access to the current 6-question practice bank, with exam mode, study mode, answers and rationales. The free sample is separate. Purchase includes the current bank only.

Practice material can include variations on the same concept. It is not an official exam or a guarantee of a passing score. Confirm important facts against current authoritative sources.

Work through up to 120 ETS-style questions built around assessment, instructional planning, and the wording patterns students usually miss on the first read.
Use answer-by-answer rationales to learn why the correct option wins and why weaker distractors fail in Teaching exam situations.
Review 3 real-world analogies, topic article cards, and source checks after each question so reading analysis and math reasoning feel easier to recognize under pressure.
Build timing, confidence, and recall with scenario-based practice that feels closer to the real Praxis Biology: Content Knowledge (5236) than a generic flashcard dump.

Prepare for the Praxis Biology: Content Knowledge (5236) with realistic ETS practice questions, timed review, detailed rationales, and real-world analogies that make harder Teaching concepts easier to remember.

This practice test is designed for students and professionals preparing for Praxis Biology: Content Knowledge (5236) who want stronger exam-day confidence, better explanation quality, and more useful answer review than a generic test bank.

Focus areas include assessment, instructional planning, reading analysis, math reasoning, along with scenario-based judgment, careful review of why distractors are less correct, and real-world analogies that help the key ideas stick.

What you will practice on this page

  • Work through up to 120 ETS-style questions built around assessment, instructional planning, and the wording patterns students usually miss on the first read.
  • Use answer-by-answer rationales to learn why the correct option wins and why weaker distractors fail in Teaching exam situations.
  • Review 3 real-world analogies, topic article cards, and source checks after each question so reading analysis and math reasoning feel easier to recognize under pressure.
  • Build timing, confidence, and recall with scenario-based practice that feels closer to the real Praxis Biology: Content Knowledge (5236) than a generic flashcard quiz.

How to use this exam to study smarter

  1. Start with the 20-question free sample to spot whether assessment or instructional planning is slowing you down before you buy the full exam.
  2. After each block, review every rationale and the 3 real-world analogies, topic article cards, and source checks so the tested pattern behind reading analysis becomes easier to remember.
  3. Retake the full Praxis Biology: Content Knowledge (5236) practice test in timed mode and focus on cleaner decision-making, not just memorizing the last answer.

Students often land on this page after searching for terms like Praxis Biology: Content Knowledge (5236) practice test, Praxis Biology: Content Knowledge (5236) practice questions, Praxis Biology: Content Knowledge (5236) free practice test, Praxis Biology: Content Knowledge (5236) study guide, ETS Praxis Biology: Content Knowledge (5236) practice test, Praxis Biology: Content Knowledge (5236) assessment questions. That is why the free sample gives you 10 questions first and the full version goes deeper into the tested patterns.

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