1. Crystals have varying amount of symmetry that is repetition of the basic structural elements by symmetry operators such as rotation axes and mirror planes. External shapes of crystals?
- (A) Seven
- (B) Six
- (C) Five
- (D) Four
2. The method of formation of minerals on the Moon is different from that of the Earth because of extreme dryness of the lunar surface. Under dry conditions, mineral concentrations arise principally from the process of liquid immiscibility and from gravity settling of crystals from liquid. Which one of the following is a principal mineral of the lunar surface?
- (A) Pyroxene
- (B) Plagioclase
- (C) Olivine
- (D) All the above
3. Rocks which have enough metal in them to make mining worthwhile are called ores.
- (A) Paual Knipping
- (B) Waldemar Lindgren
- (C) E.S. Fedorov
- (D) William Nicol
4. What are those ores called which are most commonly precipitated where former permeable zones intersected reactive rocks?
- (A) Hypothermal
- (B) Hydrothermal
- (C) Epithermal
- (D) Mesothermal
5. Which one of the following is not an example of Hypothermal Ores?
- (A) Cassiterite
- (B) Wolframite
- (C) Scheelite
- (D) Atimony Sulphide
6. Which one of the following is not an example of metamorphic minerals
- (A) Garnet
- (B) Tremolite
- (C) Wolframite
- (D) Kyanite
7. Which one of the following is a radioactive ore?
- (A) Carnotite
- (B) Scheelite
- (C) Tremolite
- (D) Wiilfenite
8. Which one of the following is an important ore for Aluminum metal?
- (A) Brucite
- (B) Bauxite
- (C) Braunite
- (D) Borax
9. What is common among the following ores: Gypsum, Epsomite, Chalcanthite and Mirabilite.
- (A) All are radioactive ores
- (B) All are ores for Iron metal
- (C) All are sulphates chemically
- (D) All are metamorphic in nature
10. Which of the following ores is exported by Pakistan?
- (A) Dolomite and Borax
- (B) Gypsum and chromite
- (C) Wolframite and Bauxite
- (D) Carnotite and Bauxite
11. Copper is considered as one of the oldest metal and it is known since 4000 B.C. Copper is largely distributed in rocks, soil and sea. Which one of the following ores of copper is chemically copper oxide?
- (A) Chalcopyrite
- (B) Cuprite
- (C) Azurite
- (D) Chalcocite
12. Where are copper ores found in Pakistan?
- (A) In Punjab
- (B) In Sindh
- (C) In KPK
- (D) In Balochistan
13. Bauxite is an important ore for Aluminum which is extracted by Hall process. Which of the following countries is rich in Bauxite deposits?
- (A) Australia
- (B) Brazil
- (C) France
- (D) All the above
14. Which one of the following is the most important ore of Iron?
- (A) Hematite
- (B) Limonite
- (C) Magnetite
- (D) Siderite
15. Which one of the following is not a clay mineral?
- (A) Bentonite
- (B) Biotite
- (C) Illite
- (D) Kaolimite
16. Which one of the following is not a clay mineral
- (A) Bentonite
- (B) Biotite
- (C) Illite
- (D) Kaolimite
17. Which one of the following is an ore for Uranium?
- (A) Carnallite
- (B) Carnotite
- (C) Crocoite
- (D) Calcite
18. Zinc is a shining white metal with bluish gray luster. It does not occur free. Which one of the following is not an ore for zinc?
- (A) Franklinite
- (B) Epsomite
- (C) Smithsonite
- (D) Wurtzite
19. Tungsten is a hard, brittle gray solid. It has the highest melting point 3410o of all the metals. Which one of the following is an important ore of Tungsten.
- (A) Wolframite
- (B) Dolomite
- (C) Chromite
- (D) Brucite
20. Vanadium is a silvery-white ductile metal. It is used for the manufacture of alloy steels. Which one of the following is an ore for Vanadium?
- (A) Patronite
- (B) Vanadinite
- (C) Roscoelite
- (D) All the above
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