In the mountainous areas of Tibet and Andes which of the following animals are most important?

Yak and Llamas

The correct answer is option 2: Yak and Llamas

Reindeer are completely out of place in this question. They are native to the Arctic, sub-Arctic, and tundra regions of northern Eurasia and North America (such as Siberia and Scandinavia).

NCERT: In the mountainous areas of Tibet and Andes, yak and llamas and in the Arctic and sub Arctic areas, reindeer are the most important animals.