/5 General Knowledge Quiz – 7 1 / 5What is another word for a ‘lexicon’? Encyclopedia Dictionary Atlas 2 / 5What is laughing gas? Sulphur dioxide Hydrogen peroxide Carbon monoxide Nitrous Oxide 3 / 5Who is the fastest land animal in the world? Cheetah Leopard Jaguar 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.4 / 5Paleontology is the study of ? Plants Fossils Mineral 5 / 5What does the term ‘Piano’ mean? ‘To be played softly.’ ‘To be played fast.’ ‘To be played by hands.’ Your score is 0% Restart quiz Next quiz By WordPress Quiz plugin