Which of the following is landlocked country? 

Which is the biggest desert in the World? 

Which river is one of the busiest inland waterways of the world? 

Name the continent smaller than south America.

Which is the commonly found animal in Ladak region? 

Which one of the following is known as the cold desert?

Which one of the following is a crop of plantation agriculture? 

Which is the only planet in our solar system that supports life? 

Which is the primary source of revenue for Brunei? 

Name the temperate grasslands of North America.