| 1. | Stratigraphy is an important branch of geology. Which of the following statements is true in the context of stratigraphy: ? | |
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It is also known as Historical Geology
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It deals with the history of rocks of the earth's crust
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It gives emphatic stress on the time of formation and the changes undergone by the rocks since their formation
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all the above
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Report Question| 2. | Lithosphere is the: ? | |
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solid part of the earth
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lowermost atmospheric zone
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uppermost atmospheric zone
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none of the above
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| 3. | The softest & hardest rocks (in that order) are: ? | |
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marble & diamond
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gypsum & rthoclase
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talc & diamond
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quartz & topaz
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| 4. | The process of incorporation of the foreign materials, generally from the country rock, into the magmatic melts is termed as: ? | |
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assimilation
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immiscibility
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differentiation
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none of the above
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| 5. | Khetri belt in Rajasthan is known for the presence of: ? | |
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Copper
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Iron
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Silica
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none of the above
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| 6. | All the solid materials-thrown out by a volcano at the time of its eruption & consisting of fragments of different sizes - are known as: ? | |
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pyroclasts
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lava
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lapilli
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volcanic bombs
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| 7. | Many attempts have been made to classify igneous rocks on the basis of their chemical composition. The most noteworthy system is: ? | |
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cross, iddings, irsson, and Washington (C. I.P.W.) classification
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tabular classification
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shand classification
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none of the above
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| 8. | Terrestrial planets include: ? | |
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Mercury, Venus, Earth, & Mars
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Saturn & Uranus
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Jupiter & Neptune
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none of the above
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| 9. | About 98% of coal annually produced in India comes from: ? | |
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lower Gondwana formations
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upper Gondwana formations
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option (a) + (b)
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none of the above
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| 10. | Limestone is not a: ? | |
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sedimentary rock
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stratified rock
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aqueous rock
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metamorphic rock
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