Yaks are mainly found in

Kashmir region
Ladakh region
Jammu region
All over the UTs

Yaks are mainly found in the Ladakh region of Jammu and Kashmir. They are also found in the neighboring regions of Himachal Pradesh, Uttarakhand, and Sikkim. Yaks are a type of wild ox that are well-adapted to living in high altitudes. They have thick fur that helps to keep them warm in cold weather, and they have large hooves that help them to walk on snow and ice. Yaks are used for their meat, milk, and wool. They are also used as pack animals and for transportation.

A. Kashmir region is incorrect because yaks are not found in this region.
B. Ladakh region is correct because yaks are mainly found in this region.
C. Jammu region is incorrect because yaks are not found in this region.
D. All over the UTs is incorrect because yaks are not found in all of the UTs.