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