66: India carried out its first underground nuclear explosion at:

(a) Thumba

(b) Pokhran

(c) Trombay

(d) Khemkaran
67: The name Pahlavi Dynasty in Iran is derived from the:

(a) Language

(b) King

(c) Religion

(d) River
68: Consider the volumes of the following:

1. A parallelepiped of length 5 cm, breadth 3 cm and height 4 cm
2. A cube of each side 4 cm
3. A cylinder of radius 3 cm and length 3 cm
4. A sphere of radius 3 cm

The volumes of these in the decreasing order is

(a) I, III, II, IV
(b) IV, II, III, I
(c) I, II, III, IV
(d) IV, III, II, I
69: The medieval Indian writer who refers to the discovery of America is

(a) Malik Muhammad Jayasi

(b) Amir Khusrau

(c) Raskhan

(d) Abul Fazl
70: Consider the following rivers:

1. Barak
2. Lohit
3. Subansiri

Which of the above flows / flow through Arunachal Pradesh?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3