/5 General Knowledge Quiz – 7 1 / 5Paleontology is the study of ? Mineral Plants Fossils 2 / 5What is laughing gas? Hydrogen peroxide Sulphur dioxide Carbon monoxide Nitrous Oxide 3 / 5What is another word for a ‘lexicon’? Encyclopedia Dictionary Atlas 4 / 5What does the term ‘Piano’ mean? ‘To be played softly.’ ‘To be played fast.’ ‘To be played by hands.’ 5 / 5Who is the fastest land animal in the world? Jaguar Leopard Cheetah The fastest animal on land is the Cheetah. Cheetahs can run up to approximately 120 Kms(75 miles) per hour speed. The fastest animal on land is the Cheetah. Cheetahs can run up to approximately 120 Kms(75 miles) per hour speed.Your score is 0% Restart quiz Next quiz