Biology practice
Each cluster is a passage with its questions, as printed on the exam. Pick one to practice.
August 2026 Biology Regents
- Star of the Tide Pool 4 questions
Topics: Mechanisms of Natural Selection · Body Systems and Functions · Mitosis and Differentiation · Human Impacts on Biodiversity
- Deep-Sea Dilemmas 4 questions
Topics: The Carbon Cycle · Matter and Energy in Ecosystems · Ecosystem Stability and Change · Evaluating Solutions and Trade-offs
- Human Variations in Eye Color 4 questions
Topics: Sources of Genetic Variation · Genetics and Probability · DNA and Protein Synthesis · DNA, Genes, and Traits
- Humongous Fungus 4 questions
Topics: Energy Flow and Matter Cycling · Mitosis and Differentiation · Sources of Genetic Variation · DNA and Protein Synthesis
- Colorful Guppies 5 questions
Topics: DNA, Genes, and Traits · Natural Selection and Adaptation · Natural Selection and Traits · Environmental Change and Evolution
- A Tale of Two Squirrels 4 questions
Topics: Environmental Change and Evolution · Evidence for Evolution · Human Impacts on Biodiversity
- Frog Development 4 questions
Topics: Mitosis and Differentiation · Sources of Genetic Variation · Natural Selection and Adaptation · Cellular Respiration
- Homeostasis in Plants 5 questions
Topics: Body Systems and Functions · Photosynthesis · Homeostasis and Feedback · Matter and Energy in Ecosystems
- Invasive Mussels 5 questions
Topics: Biodiversity and Populations · Carrying Capacity and Ecosystems · Ecosystem Stability and Change · Breaking Down Complex Problems
- Parrots and Biodiversity 5 questions
Topics: Ecosystem Stability and Change · Group Behavior and Survival · Carrying Capacity and Ecosystems · Biodiversity and Populations · Analyzing Global Challenges
- The Permafrost Problem 4 questions
Topics: The Carbon Cycle · Carbon Cycling · Coevolution of Earth and Life · Analyzing Global Challenges
June 2026 Biology Regents
- A Seasonal Strategy for Survival 5 questions
Topics: Body Systems and Functions · Homeostasis and Feedback · Cellular Respiration · Mechanisms of Natural Selection
- Nitrogen: Friend or Foe? 4 questions
Topics: Biodiversity and Populations · Carrying Capacity and Ecosystems · Ecosystem Stability and Change · Evaluating Solutions and Trade-offs
- Green and Black Frogs 5 questions
Topics: DNA, Genes, and Traits · Mechanisms of Natural Selection · Natural Selection and Adaptation · Ecosystem Stability and Change
- Polycystic Ovary Syndrome (PCOS) 4 questions
Topics: Human Reproduction and Development · Homeostasis and Feedback · Evaluating Solutions and Trade-offs
- Tailless Humans 4 questions
Topics: Evidence for Evolution · DNA and Protein Synthesis · DNA, Genes, and Traits · Sources of Genetic Variation
- Fossil Fuels: Out of Sight, but Not Out of Mind 5 questions
Topics: The Carbon Cycle · Carrying Capacity and Ecosystems · Coevolution of Earth and Life · Carbon Cycling · Analyzing Global Challenges
- Buzzy Bees 5 questions
Topics: Matter and Energy in Ecosystems · Mechanisms of Natural Selection · Group Behavior and Survival · Environmental Change and Evolution · Evaluating Solutions and Trade-offs
- The Forest Gardener 5 questions
Topics: Matter and Energy in Ecosystems · Human Impacts on Biodiversity · Energy Flow and Matter Cycling · Ecosystem Stability and Change
- Caffeine’s Effect on the Body 4 questions
Topics: Body Systems and Functions · DNA and Protein Synthesis · Sources of Genetic Variation · DNA, Genes, and Traits
- Australian Adaptations 4 questions
Topics: Evidence for Evolution · Environmental Change and Evolution · Mechanisms of Natural Selection · Natural Selection and Adaptation
- Mercury Rising 4 questions
Topics: Human Impacts on Biodiversity · Biodiversity and Populations · Carrying Capacity and Ecosystems
January 2026 Biology Regents
- Two Kinds of Twins 5 questions
Topics: Human Reproduction and Development · Mitosis and Differentiation · Sources of Genetic Variation · DNA, Genes, and Traits · Breaking Down Complex Problems
- Space Invader 4 questions
Topics: DNA, Genes, and Traits · Photosynthesis · Biodiversity and Populations · Evaluating Solutions and Trade-offs
- Keystone Species Rule 4 questions
Topics: Ecosystem Stability and Change · Carbon Cycling · Human Impacts on Biodiversity · Group Behavior and Survival
- Solving the Problem of Cat Allergies 5 questions
Topics: DNA and Protein Synthesis · Body Systems and Functions · Genetics and Probability · Sources of Genetic Variation
- A Hard Pest to Manage 4 questions
Topics: Natural Selection and Traits · DNA, Genes, and Traits · Genetics and Probability · Evidence for Evolution
- Diabetes 5 questions
Topics: Cellular Respiration · Body Systems and Functions · Homeostasis and Feedback · DNA and Protein Synthesis · Analyzing Global Challenges
- Honeybee Behavior and Threats 5 questions
Topics: Breaking Down Complex Problems · Group Behavior and Survival · Biodiversity and Populations · Mechanisms of Natural Selection · Carrying Capacity and Ecosystems
- Baboon Evolution 4 questions
Topics: Evidence for Evolution · Mechanisms of Natural Selection · Group Behavior and Survival · Natural Selection and Adaptation
- Purple Insect Eater 4 questions
Topics: Photosynthesis · Carbon Cycling · Matter and Energy in Ecosystems · Body Systems and Functions
- Zebra Coat Patterns 5 questions
Topics: DNA, Genes, and Traits · DNA and Protein Synthesis · Mechanisms of Natural Selection · Genetics and Probability · Human Impacts on Biodiversity
August 2025 Biology Regents
- Trees Have Organ Systems 4 questions
Topics: Body Systems and Functions · Homeostasis and Feedback · Biodiversity and Populations · Carbon Cycling
Topics: Group Behavior and Survival · Mechanisms of Natural Selection · Biodiversity and Populations · Natural Selection and Traits · Natural Selection and Adaptation
- A Unique Relationship: Mulberries and Silk 4 questions
Topics: Cellular Respiration · Synthesis of Biomolecules · Body Systems and Functions · DNA and Protein Synthesis
- Ivory and Elephants 5 questions
Topics: Biodiversity and Populations · Genetics and Probability · Natural Selection and Adaptation · Ecosystem Stability and Change · Evaluating Solutions and Trade-offs
- Carbon Cycle Supports Life on Earth 4 questions
Topics: The Carbon Cycle · Carbon Cycling
- Keratin – A Very Versatile Protein 5 questions
Topics: DNA and Protein Synthesis · Mitosis and Differentiation · Sources of Genetic Variation · Mechanisms of Natural Selection
- How Do Kangaroo Rats Survive in the Desert? 4 questions
Topics: Body Systems and Functions · Natural Selection and Adaptation · Carrying Capacity and Ecosystems
- Evolutionary Relationships 4 questions
Topics: Evidence for Evolution · Mechanisms of Natural Selection
- The Human Journey from One Cell to 30 Trillion 5 questions
Topics: Human Reproduction and Development · Mitosis and Differentiation · Evaluating Solutions and Trade-offs
- Driving the Florida Panther to Extinction 4 questions
Topics: Natural Selection and Adaptation · Energy Flow and Matter Cycling · Environmental Change and Evolution · Evaluating Solutions and Trade-offs
June 2025 Biology Regents
Topics: Energy Flow and Matter Cycling · The Carbon Cycle · Photosynthesis · Biodiversity and Populations · Carbon Cycling
- Drinking Water Is Just The Beginning! 5 questions
Topics: Body Systems and Functions · Mechanisms of Natural Selection · Homeostasis and Feedback
- Heads or Tails? 6 questions
Topics: DNA, Genes, and Traits · Mechanisms of Natural Selection · DNA and Protein Synthesis · Evidence for Evolution
- Organisms of the Tibetan Plateau 5 questions
Topics: Natural Selection and Adaptation · Sources of Genetic Variation · Carrying Capacity and Ecosystems · Energy Flow and Matter Cycling
- Salt Marsh Shoreline 6 questions
Topics: Ecosystem Stability and Change · Carrying Capacity and Ecosystems · Evaluating Solutions and Trade-offs
- Limb Evolution 5 questions
Topics: Evidence for Evolution · Mechanisms of Natural Selection
- Does It Matter? 5 questions
Topics: Cellular Respiration · Matter and Energy in Ecosystems · Synthesis of Biomolecules · Carbon Cycling
- Keystone Species: Black-Tailed Prairie Dogs 5 questions
Topics: Carrying Capacity and Ecosystems · Ecosystem Stability and Change · Natural Selection and Traits · Evaluating Solutions and Trade-offs
- Nature or Nurture? 6 questions
Topics: DNA, Genes, and Traits · DNA and Protein Synthesis · Sources of Genetic Variation · Mitosis and Differentiation · Breaking Down Complex Problems
Biology Regents (sample clusters)
- Coral Reefs 6 questions
Topics: Ecosystem Stability and Change · Photosynthesis · Biodiversity and Populations · Carrying Capacity and Ecosystems · Natural Selection and Adaptation · Evaluating Solutions and Trade-offs
- Dinosaurs-Evolution 5 questions
Topics: Mechanisms of Natural Selection · Environmental Change and Evolution · Ecosystem Stability and Change · Natural Selection and Adaptation
- Prostaglandins 6 questions
Topics: DNA and Protein Synthesis · Sources of Genetic Variation · DNA, Genes, and Traits · Analyzing Global Challenges
- Old Forest 5 questions
Topics: The Carbon Cycle · Environmental Change and Evolution · Coevolution of Earth and Life · Analyzing Global Challenges