Which country has the largest economy in the world by GDP?

Which country is home to the largest number of UNESCO World Heritage Sites?

Who is known as the Father of the Nation in Pakistan?

What is the capital city of Japan?

Which country is the largest producer of wheat in the world?

Which gas causes the greenhouse effect most significantly among human-made emissions?

Who was the first human to travel to space?

What is the capital city of India?

Which is the capital city of Nigeria?

Which UN agency promotes international educational scientific and cultural cooperation?

The Amazon Rainforest is often called the 'Lungs of the Earth' because?