1686: If you travel by road from Kohima to Kottayam, what is the minimum number of States within India through which you can travel, including the origin and the destination?

(a) 6
(b) 7
(c) 8
(d) 9
1687: Urea is prepared by the chemical reaction of:

(a) Ammonia and Carbon dioxide

(b) Ammonium sulphate and calcium chloride

(c) Acetamide and ethyl alcohol

(d) Chlorine and water
1688: Which one of the following provides the correct sequence of occurence of four towns/cities as one proceeds from west to east?

(a) Rajkot, Baroda, Kharagpur, Bilaspur

(b) Bikaner, Aligarh, Darbhanga, Nowgong

(c) Indore, Rourkela, Agartala, Jamshedpur

(d) Nasik, Aurangabad, Berhampur, Nanded
1689: Elements having atomic number higher than 92 in the periodic table are known as

(a) Transitional elements

(b) Rare earth elements

(c) Transuranic elements

(d) Alkaline earth metals
1690: The thermal power plant of Bokaro is located in

(a) Bihar
(b) Chhattisgarh
(c) Jharkhand
(d) Orissa