Biology Quizzes 28

Play biology quizzes on cells, DNA and genes, evolution, photosynthesis, microorganisms, ecology, food chains and biodiversity. 10 questions, answers explained.

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  2. Plant Quizzes · 10 questions Lichen Quiz: Fungi and Algae Living Together as One
  3. Human Body Quizzes · 10 questions Small Intestine Villi Quiz: How Your Gut Absorbs Food
  4. Human Body Quizzes · 10 questions Large Intestine Quiz: How Your Colon Absorbs Water
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  7. Human Body Quizzes · 10 questions Bone Marrow Quiz: How Your Body Makes New Blood Cells
  8. Human Body Quizzes · 10 questions Platelets Quiz: How Tiny Blood Cells Stop Bleeding
  9. Human Body Quizzes · 10 questions Pupillary Light Reflex Quiz: How Eyes Adjust to Brightness
  10. Biology Quizzes · 10 questions Biological Classification Quiz: 10 Questions That Test What You Know
  11. Biology Quizzes · 10 questions Adaptations Trivia Quiz – Names, Facts and Surprises

These biology quizzes explore life at every scale, from cells, enzymes and DNA to evolution, photosynthesis, ecosystems, food chains and the diversity of living things. Every quiz has 10 timed questions, and each answer comes with a short explanation.