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Geomorphology - Geography Objective Questions with Answers for SSC Examinations

26 The study of movement inside Earth's crust is called :
A Geology
B Geodesy
C Seismology
D Plate tectonics

Answer: Option [C]

The study of movement inside Earth's crust is called Seismology. Seismology is the study of the passage of elastic waves through the earth. Earthquake seismology is the best tool to study the interior of the earth.

27 Which of the following is the source of soil material ?
A Sedimentary rocks
B Metamorphic rocks
C Igneous rocks
D Biological action

Answer: Option [B]

The correct answer is Metamorphic rocks. Metamorphic rocks are recycled rocks that have been subjected to varying degrees of pressure and temperature. Red soils have originated from weathering of the ancient igneous, and metamorphic rocks.



28 Which of the following things come out of a volcano eruption ?
A solid, gas, liquid
B only liquid
C gas and solid
D liquid and gas

Answer: Option [A]

The correct answer is solid, gas, liquid. Volcanic eruptions produce three types of materials: gas, lava, and fragmented debris called tephra.

29 The coal and petroleum are found in which type of rocks ?
A Latite rock
B Sedimentary rocks
C Granite rocks
D Pyroxenite rocks

Answer: Option [B]

The correct answer is Sedimentary rocks. Fossil fuels, petroleum and natural gas are found in sedimentary rocks. Sedimentary rocks make up most of the rocks on the earth and are formed when bits of rock, soil or organic matter settles and accumulates. Plant and animal fossils can be found in sedimentary rock. When there is an abundance of plants and animals, fossil fuels develop, like oil, natural gas and coal.

30 The gold and copper are mostly found in which type of rocks ?
A Old igneous
B New sedimentary
C New metamorphic
D Old metamorphic

Answer: Option [A]

The correct answer is Old igneous. Gold and copper are found in ore bodies associated with porphry. Porphry is a general term applied to igneous rocks of any composition that contain conspicuous phenocrysts (crystals) in a fine-grained groundmass.

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