Expand your knowledge of countries, history, geography, organizations, discoveries, important personalities and world records.
Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.
What is the currency of Iran?
Which sea is the saltiest body of water in the world?
Which is the world's highest uninterrupted waterfall located in Venezuela?
Which is the capital city of Kenya?
Which gas do plants absorb during photosynthesis?
What is the capital city of China?
Which is the longest river in the world?
Which organization publishes the annual Human Development Index?
Which is the highest mountain in the world?
Which is the largest ocean on Earth by surface area?
Which is the deepest lake in the world?
Which planet is known as the "Red Planet"?
How many holes are there in a standard round of golf?
Which African country was formerly known as Abyssinia?
Which gas makes up the majority of the Sun?
Which country is known as the Land of Smiles?
Which country gifted the Statue of Unity's design inspiration is dedicated to whom?
Which country is the second most populous in the world?
Which is the capital city of Thailand?