The correct answer is: a) Adi.
The Adi tribe is one of the largest tribes in Arunachal Pradesh. They are known for their tradition of ‘Morung’, a dormitory system for young boys. The Morung is a place where young boys learn about their culture, traditions, and values. They also learn about hunting, fishing, and other skills that will be useful to them as adults.
The Nyishi tribe is another large tribe in Arunachal Pradesh. They are known for their colorful traditional dress and their unique customs. The Nyishi do not have a tradition of ‘Morung’.
The Wancho tribe is a smaller tribe in Arunachal Pradesh. They are known for their fierce warriors and their unique culture. The Wancho do not have a tradition of ‘Morung’.
The Apatani tribe is the smallest tribe in Arunachal Pradesh. They are known for their unique facial tattoos and their matrilineal society. The Apatani do not have a tradition of ‘Morung’.