| 1. | Asbestos has got a ......... structure ? | |
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foliated
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fibrous
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granular
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bladed
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Report Question| 2. | Dolomite is a Limestone containing carbonate of magnesia upto ? | |
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15%
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20%
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25%
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45%
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| 3. | Syenite & Andesite (silica 70-80%) are the examples of: ? | |
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acidic igneous rocks
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intermediate igneous rocks
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basic igneous rocks
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ultra-basic igneous rocks
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| 4. | The colour of statuary marble used for Sculptor's work is ? | |
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red
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blue
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white
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green
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| 5. | All volcanic rocks are amply suitable for use as crushed stone because they are: ? | |
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hard & tough
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having high cementing property
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resistant to abrasion
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all the above
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| 6. | Rocks resulting from the accumulation of plant & animal remains are known as: ? | |
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chemical deposits
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fragmental rocks
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organogenous rocks
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none of the above
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| 7. | Quartzite is a: ? | |
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metamorphic rock
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argtillaceous rock
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calcareous rock
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silicious rock
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| 8. | The rock used for the construction of "Gateway of India" (in Mumbai) is: ? | |
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light coloured variety of trap rocks
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granite of South India
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charnockite of South India
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none of the above
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| 9. | Troposphere is the lowermost atmospheric zone whose upper boundary lies at about: ? | |
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115 km above the earth surface
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9 km and 18 km above the surface at poles and equator respectively
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700 km above the earth surface
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none of the above
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| 10. | Specific gravity of Quartz (SiO?) lies between: ? | |
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2.30-2.60
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2.60-2.64
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3.60-4.00
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none of the above
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