1. Which river is the second longest in the world?
2. What chemical element is used in the production of steel products?
3. Which organ in the human body is responsible for secreting insulin?
4. Fathometer is used to measure
5. Which one of the following countries is not in Africa?
6. In what year was Ferdinand Magellan's first successful circumnavigation of the world?
7. Which planet in the solar system has the largest diameter?
8. Which vitamin is often referred to as the “sunshine vitamin”?
9. Filaria is caused by
10. Who wrote “Crime and Punishment”?
