The correct answer is: a) Mithun.
A mithun is a large, wild cattle found in the eastern Himalayas, including Arunachal Pradesh. It is a semi-domesticated animal, meaning that it is not fully wild but is also not fully domesticated. Mithun are used for their meat, milk, and labor. They are also an important part of the culture of the people of Arunachal Pradesh.
Yaks are large, hairy cattle found in the high mountains of Central Asia. They are well-adapted to cold weather and can live at altitudes of up to 5,000 meters. Yaks are used for their meat, milk, and wool. They are also used as pack animals.
Zebu cattle are a type of cattle that are found in Africa and Asia. They are characterized by their large humps on their backs. Zebu cattle are well-adapted to hot climates and are used for their meat, milk, and labor.
Buffalo are large, wild cattle found in Africa and Asia. They are closely related to domestic cattle, but they are larger and more aggressive. Buffalo are used for their meat, milk, and labor. They are also an important part of the culture of many people in Africa and Asia.