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

Name the continent smaller than south America.

Which of the following is landlocked country? 

Which is the commonly found animal in Ladak region? 

Which is the primary source of revenue for Brunei? 

Which one of the following is bordered mainly by the karakoram range of mountains? 

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

Which river flows northward's through Canada?

Name the primitive tribe which is found in the hot desert.

Which is the largest producer of sulphur in the world?