12th class Principle of Geography chapter 21 online mcq test with answers for ICom part 2 Principle of Geography Chapter 21 (Iron Ore)

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Sr.#	Question	Answer
1	During 2015, Brazil's iron ore production was:	A. 50 million metric tons B. 100million metric tons C. 428million metric tons D. 200million metric tons
2	From economic point of view, iron is world's most:	A. Useful & cheap metal B. Costly metal C. Rare metal D. Rare available metal
3	In the world, Australia ranks in iron ore production:	A. At first position B. At second position C. At fifth position D. At not any position
4	In magnetite iron ore, iron particles percentage:	A. Is up to 60 percent B. Is near about 50 percent C. Is up to 72.4 percent D. Is about 90 percent
5	From economic point of view, iron ore is useable, which contain iron particles:	A. More than 10 percent B. At least 20 percent C. Up to 30 percent D. More than 50 percent
6	In haematite iron ore, iron particles content:	A. Is 60-70 percent B. Is up to 50 percent C. Is near about 40 percent D. Is up to 45 percent
7	In the world, percentage of iron production among metals is:	A. Only 25 percent B. 90 percent C. 50 percent D. About 70 percent
8	According to June 1990 estimates, ironore reserves of the world are:	A. 300,000 million metric tons B. 100,000 metric tons C. 50,000 metric tons D. 1000 million metric tons
9	In 2001, world's largest iron ore producer was:	A. U.S.A B. Russian Federation C. Brazil D. Australia
10	Evolution of modern civilization is dependent upon:	A. Agriculture B. Minerals C. Education D. Human effort