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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How are ferrous minerals important? |
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Answer» They are important because they provide a strong base for the development of metallurgical industries. |
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| 2. |
Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered materials? (a) Coal (b) Bauxite (c) Gold (d) Zinc |
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Answer» Coal minerals is formed by decomposition of rocks, leaving a residual mass of weathered materials |
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| 3. |
Which is the ore used as an alloy? |
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Answer» The ore used as an alloy is manganese. |
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| 4. |
Minerals are deposited and accumulated in the strata of which of the following rocks? (a) Sedimentary rocks (b) Metamorphic rocks (c) Igneous rocks (d) None of the above |
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Answer» (a) Sedimentary rocks |
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| 5. |
Fill in the blanks with suitable words.1 Kudremukh in Karnataka is noted for __________ ore.2. The best-quality iron ore is _____3. Sandur in Ballari district has __________ mines.4. The metal that is produced from bauxite ore is _____5. The deepest gold mine is ________ |
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Answer» 1. Iron 2. Magnetite. 3. Manganese Ore 4. Aluminum. 5. Champion Reef. |
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| 6. |
Where do minerals occur in sedimentary rocks? |
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Answer» In sedimentary rocks minerals occur in beds or layers. |
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| 7. |
Name any four minerals which obtained form placer deposits. |
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Answer» Gold, silver, tin and platinum. |
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| 8. |
Name the major metallic minerals which are obtained from veins and lodes. |
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Answer» Tin, copper, zinc and lead. |
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| 9. |
Which of the following minerals are obtained from veins and lodes? (i) Zinc (ii) Copper (iii) Coal (iv) Bauxite(a) Only (i) and (ii) (b) Only (ii) and (iii) (c) Only (iii) and (iv) (d) All of the above |
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Answer» (a) Only (i) and (ii) |
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| 10. |
What are veins and lodes? |
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Answer» In igneous and metamorphic rocks minerals may occur in the cracks, crevices, faults or joints. The smaller occurrences are called veins and the larger are cabled lodes. |
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| 11. |
What are non-ferrous minerals? Give two examples. |
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Answer» The minerals which do not contain iron ore are called non-ferrous minerals. |
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| 12. |
What are ferrous minerals? Give two examples |
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Answer» The minerals which contain iron ore are called ferrous minerals. Two examples — manganese, nickel. |
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| 13. |
Distinguish between ferrous and non-ferrous minerals |
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Answer» Ferrous and non-ferrous minerals
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| 14. |
Why is Karnataka called the ‘Land of Gold’? |
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Answer» Karnataka occupies the first position in the production of Gold. It produces 80% of total gold in India. Therefore Karnataka is called the “Land of Gold”. |
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| 15. |
Name the places in Karnataka where iron ore is available. |
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Answer» The places in Karnataka where iron ore is available are Hospet and Sandur in Ballari district, Bababudangiri, Kemmanagundi in Chikkmagaluru district, Hosadurga, Sasalu of Chitradurga, Huliyara, Chikkanayakanahalli of Tumakuru district, Ameenagadha in Bagalkot and Kumsi, Shiddarahalli of Shivamogga district. |
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| 16. |
Koderma in Jharkhand is the leading producer of which one of the following minerals? (a) Bauxite (b) Mica (c) Iron ore (d) Copper |
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Answer» Koderma in Jharkhand is the leading producer Mica |
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| 17. |
Name the important gold mines of Karnataka. |
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Answer» The important gold mines of Karnataka are Kolar gold field, Hutti gold mine in Raichur district, Ballari in Tumakuru district, Ajjanahalli near Sira, Mulgund and Kappatagudda in Gadag district. |
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| 18. |
Which district is an important producer of bauxite? |
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Answer» Belagavi district. |
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