41- The ……………….mines in Western Ghats of Karnataka are 100 percent export unit and these deposits are one of the largest in the world, the ore is transported as slurry through pipeline to a port near Mangalore.
(A) Bailadial
(B) Kuder mukh
(C) Both
(D) None of the above
42-……………..is mainly used in the manufacturing of steel and Ferro Manganese alloy.
(A) Iron ore
(B) Manganese
(C) Bauxite
(D) Copper
43- Manganese is also used in manufacturing units of which products?
(A) Bleaching powder
(B) Insecticides
(C) Paints
(D) All are correct
44- Minerals that include copper, bauxite, lead, zinc and gold are used in the metallurgical industries of……………………..
(A) Engineering
(B) Electrical
(C) Both
(D) None of the above
45- ………………..is mainly used in the electrical cables, electronics and chemical industries because it is ductile, malleable and good conductor of electricity.
(A) Copper
(B) Bauxite
(C) Iron Ore
(D) None of the above
46- Which of the following is/are famous copper mines in India?
(A) Balaghat in Madhya Pradesh
(B) Singbhum in Jharkhand
(C) Khetri in Rajasthan
(D) All are correct
47- Clay like substance alumina and later Aluminium is obtained from which mineral?
(A) Copper
(B) Bauxite
(C) Iron ore
(D) None of the above
48- Bauxite deposit are formed by the decomposition of a wide range of rocks which are rich in Aluminium………………..
(A) Mica
(B) Alumina
(C) Hematite
(D) Silicates
49- …………………is good to combine the strength of metal such as iron, with extreme lightness and also with good conductivity and great malleability.
(A) Mica
(B) Copper
(C) Aluminium
(D) None of the above
50- In India bauxite deposits are mainly found in the region/regions of …………..
(A) Amarkantak Plateau
(B) Maikal Hills
(C) Plateau regions of Bilaspur
(D) All are correct
ANSWERS:
41-(B), 42-(B), 43-(D), 44-(C), 45-(A), 46-(D), 47-(B), 48-(D), 49-(C), 50-(D)