30 Fascinating Biology Trivia and Answers

Welcome to the Biology Trivia page! Challenge yourself with intriguing questions that explore the wonders of life, from the basics of DNA and genetics to the mysteries of evolution, human anatomy, and ecosystems. Whether you’re fascinated by the inner workings of cells or the resilience of plants and animals, this trivia will test your knowledge across all areas of biology. Dive in and see how much you really know about the science of life!

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Biology Trivia

1. What percentage of human DNA is identical to that of a chimpanzee?

2. Which molecule carries genetic information from DNA to the site of protein synthesis?

3. What is the name of the process by which cells divide to produce gametes in sexually reproducing organisms?

4. How many chromosomes are in a typical human cell?

5. Which organelle is known as the “powerhouse of the cell”?

6. What is the main function of ribosomes in a cell?

7. Which type of cells do not have a nucleus: prokaryotic or eukaryotic?

8. What type of microorganism is responsible for causing tuberculosis?

9. What is the largest organ in the human body?

10. What structure in the brain controls balance and coordination?

11. What is the term for the smallest blood vessels in the body?

12. Which human organ can regenerate itself if a part of it is removed?

13. What type of symbiotic relationship exists between fungi and algae in lichens?

14. What is the name of the phenomenon where certain animals can regrow lost body parts, such as a salamander regrowing a limb?

15. What is the term for the process by which organisms better adapted to their environment tend to survive and reproduce?

16. What term describes a species that has a disproportionately large impact on its ecosystem, such as wolves in Yellowstone?

17. What pigment gives plants their green color and is essential for photosynthesis?

18. What process do plants use to convert sunlight into chemical energy?

19. What part of a plant is responsible for absorbing water and nutrients from the soil?

20. Which plant hormone is responsible for fruit ripening and is often used commercially to speed up the ripening process?

21. What is the term for an organism’s complete set of DNA, including all of its genes?

22. Which enzyme is responsible for unzipping the DNA double helix during replication?

23. What is the only bone in the human body that is not connected to any other bone?

24. What part of the human eye is responsible for controlling the size of the pupil?

25. What organ in the human body is primarily responsible for detoxifying chemicals and metabolizing drugs?

26. Which process involves organisms developing similar traits independently due to similar environmental pressures, rather than shared ancestry?

27. What is the term for the gradual increase in the Earth’s average surface temperature due to human activities?

28. What type of organism causes malaria, and what is its primary vector?

29. What disease, caused by a deficiency of vitamin C, affected sailors during long voyages in history?

30. What type of plant structure do gymnosperms, such as pine trees, use to reproduce instead of flowers?