16. Arunachal Pradesh was established in the year
(A) 1985
(B) 1987
(C) 1989
(D) 1992
17. Arunachal Pradesh was also known as
(A) NEFA
(B) NESA
(C) NEFF
(D) None of the above
18. In Arunachal Pradesh, the river Brahmaputra is known by the name
(A) Kameng
(B) Subansiri
(C) Siang
(D) Tirap
19. Total number of Districts in Arunachal Pradesh
(A) 12
(B) 14
(C) 19
(D) 23
20. Which one is not a native tribe of Arunachal Pradesh
(A) Nyishi
(B) Rabha
(C) Apatani
(D) Adi