Science & Nature50 randomly selected Science & Nature questions for quizmasters. New random selection made weekly. Next update: Monday 1st June 2026 (Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.) |
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| 1. | Light enters the eye through what aperture? |
| 2. | What 'P' describes rocks composed solely or primarily of volcanic materials? |
| 3. | This breed of dog, developed in Southern Africa, is commonly called a Rhodesian what? |
| 4. | Part of the sunflower family, what 'G' describes this flower? |
| 5. | What chemical element has the atomic number 5? |
| 6. | What type of ounce is traditionally used to measure precious metals and gems? |
| 7. | Originally from northern China, and noted for its characteristic blue-black tongue, what is the name of this dog breed? |
| 8. | What 'A' describes the pigmented area on the breast around the nipple? |
| 9. | Polycerate is a term used to describe animals with more than two what? |
| 10. | What genus of bird is this? |
| 11. | What 5-letter word can be spelt using the chemical symbols for Tungsten, Astatine, Carbon and Hydrogen? |
| 12. | Used to measure an absorbed dose of ionizing radiation, what SI unit is represented by the symbol Gy? |
| 13. | What English inventor (1937-2018) is best known for the wind-up radio? |
| 14. | What is a more common name for the cluster of seven stars officially called the Pleiades? |
| 15. | Native to Western Australia, and about the size of a domestic cat, what species of marsupial is this? |
| 16. | What 'T' describes an electrical device used to increase or decrease voltage through inductively coupled electrical conductors? |
| 17. | What 'E' is the medical term for the outermost layer of human skin? |
| 18. | Used for grooming horses, what 'C' describes this type of comb? |
| 19. | What 'H' describes this genus of over 75 species of flowering plants native to Asia and the Americas? |
| 20. | What name is given to a mesh cage used to protect electrical equipment from external static and electromagnetic fields? |
| 21. | How many Troy ounces are there in a Troy pound? |
| 22. | What type of animal is a California sheephead? |
| 23. | What is the common term for a female ass or donkey? |
| 24. | What type of insect is this? |
| 25. | Cynology is the scientific study of what animal? |
| 26. | Fulminology is the scientific study of what naturally occurring phenomena? |
| 27. | A fine imaging device, what do the initials SEM stand for? |
| 28. | Which part of a horse consists of a dock and a skirt? |
| 29. | Sulphuric acid contains sulphur, oxygen, and what other element? |
| 30. | The leaves of what tree make up most of a Koala Bear's diet? |
| 31. | Found only in the Ethiopian Highlands, what type of mammal is a galada? |
| 32. | What has the chemical symbol Sr and derives its name from a village in the Scottish Highlands near where it was first discovered? |
| 33. | An astronomical unit (AU) is a unit of length defined by the mean distance between which two celestial objects? |
| 34. | What 7-letter word can be spelt using the chemical symbols for barium, platinum, iodine, and samarium? |
| 35. | What advance in sound recording was patented by English electronics engineer Alan Blumlein in 1933? |
| 36. | In forensic science, what does the 'F' in AFIS stand for? |
| 37. | What is the name of the belt, beyond the orbit of Neptune, that is home to the dwarf planets Pluto, Haumea and Makemake? |
| 38. | What is the second planet from the Sun? |
| 39. | Where on the human body are the filiform, fungiform, foliate, and circumvallate papillae? |
| 40. | What type of animal is a brown booby? |
| 41. | Alongside engineer Émile Gagnan, what French naval officer invented the self-contained underwater breathing apparatus (SCUBA) in 1943? |
| 42. | GRID was the name first proposed in 1982 to describe an "unexpected cluster of cases" of a disease now known as what? |
| 43. | Nicknamed "Dragon Lady", what is the manufacturer and name of this U.S. high-altitude reconnaissance aircraft? |
| 44. | Nicknamed desert rats, what 'J' describes this family of animals? |
| 45. | What organ is surgically removed in a nephrectomy? |
| 46. | In technical drawing terms, what does CAD stand for? |
| 47. | How many teeth do humans normally grow in a lifetime? |
| 48. | In electronics, how many terminals does a transistor have? |
| 49. | In what century did pioneering Swedish botanist Carl Linnaeus live? |
| 50. | What organs of the body are affected by exotropia? |
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