Concept:The Valley of Flowers is a UNESCO World Heritage Site known for its alpine meadows and is located in Uttarakhand.
Explanation:It lies in the Chamoli and Pithoragarh districts of Uttarakhand.
The valley is famous for its vast meadows of ornamental alpine flowers.
It has an alpine temperate climate, which supports diverse flora.
The region was introduced to the world in the 1930s by the British.
It is also home to animals like the Asiatic black bear and red fox.
Due to high endemism, many species are threatened by human activities.
The valley is an earthquake-prone zone in the Himalayan belt.
Answer:D. Uttarakhand