| 21. | The iron ore mined at Bailadila is mostly |
| a. | haematite |
| b. | siderite |
| c. | limonite |
| d. | magnetic |
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Answer: (a).haematite
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| 22. | The leading state in producing paper is |
| a. | Bihar |
| b. | West Bengal |
| c. | Kerala |
| d. | Orissa |
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Answer: (b).West Bengal
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| 23. | The largest dune files are found in |
| a. | Middle East |
| b. | North Africa |
| c. | both (a) and (b) |
| d. | None of the above |
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Answer: (c).both (a) and (b)
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| 24. | The Harmattan is |
| a. | cool, extremely dry wind that forms over the Sahara and blows westward or south-westward to the African coast |
| b. | wind that blows during the dry season from December to February |
| c. | tertiary wind that carry great quantities of fine dust from the Sahara |
| d. | All of the above |
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Answer: (d).All of the above
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| 25. | The largest gold producing country in the world(in 2006) is |
| a. | China |
| b. | Canada |
| c. | South Africa |
| d. | USA |
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Answer: (c).South Africa
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