Q. Which of the following is known as the ‘Roof of the World'?
Answer: Pamir Knot
Notes: Pamir knot is called the roof of the world because they are at high altitude. The Pamir Mountains are a mountain range in Central Asia formed by the junction of the Himalayas with Tian Shan, Karakoram, Kunlun, and Hindu Kush ranges.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 14 in Physical Geography - Important Mountain Ranges, Mountains, Hills, Plateaus, Mountain Passes, Volcanoes in above course in App.