| Category | Answer | % Correct |
|---|---|---|
| Country (land area) | Russia | 99%
|
| Country (population) | India | 98%
|
| Land animal species (weight) | African elephant | 96%
|
| Mountain (height) | Mount Everest | 96%
|
| Land animal species (height) | Giraffe | 95%
|
| Planet (this solar system) | Jupiter | 93%
|
| Desert (non-polar) | Sahara | 93%
|
| U.S. state (population) | California | 90%
|
| U.S. state (land area) | Alaska | 88%
|
| River (volume) | Amazon | 86%
|
| Animal species | Blue whale | 78%
|
| Building (height) | Burj Khalifa | 76%
|
| Human bone | Femur | 72%
|
| Island (area, non-continental) | Greenland | 69%
|
| Human internal organ (weight) | Liver | 68%
|
| Tree species (height) | Coast redwood | 67%
|
| Lake / inland sea | Caspian Sea | 56%
|
| Freshwater lake (area) | Lake Superior | 54%
|
| Waterfall (height) | Angel Falls | 50%
|
| Freshwater lake (volume) | Lake Baikal | 45%
|
| Public corporation (revenue) | Wal-Mart | 26%
|
| Longest cave system | {Mammoth} Cave | 24%
|