| 1. | Anthracite is a coal which is formed by the metamorphism of woody materials. Anthracite contains carbon upto the extent of: ? | |
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70%
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70-90%
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92-98%
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none of the above
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Report Question| 2. | The tendency of a stone to split along certain parallel planes, is known as: ? | |
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texture
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fracture
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cleavage
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structure
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| 3. | Maximum permissible water absorption values for Shale & Gneiss (in that order), are: ? | |
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07.50% & 10.00%
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10.00% & 01.00%
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01.00% & 10.00%
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none of the above
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| 4. | Stratosphere is the: ? | |
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lowermost atmospheric zone
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uppermost atmospheric zone
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atmospheric zone extending between the troposphere & ionosphere
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none of the above
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| 5. | Stratoscope extends from the upper boundary of the troposphere to: ? | |
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115 km above the earth surface
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400 km above the earth surface
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700 km above the earth surface
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none of the above
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| 6. | Which of the following is true for Himalaya mountains: ? | |
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they are tectonic mountains
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they are complex in their character showing all sorts of structural complications in their constitution
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they owe their origin to orogenic forces
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all the above
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| 7. | As per Mohs's scale, the hardnesses of Corundum & Diamond (in that order) ? | |
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9 & 8
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8 & 9
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9 & 10
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10 & 9
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| 8. | Granite & Rhyolite (silica 70-80%) are the examples of: ? | |
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acidic igneous rocks
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basic igneous rocks
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ultra-basic igneous rocks
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sedimentary rocks
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| 9. | Gneiss is resulted from the metamorphic transformation of: ? | |
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dolomite
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shale
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granite
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none of the above
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| 10. | The phenomena of pealing off of curved shells or layers from rocks under the influence of thermal effects is called: ? | |
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spheroidal weathering
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chemical weathering
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exfoliation
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none of the above
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