Top 80+ Solved Engineering Geology MCQ Questions Answer

From 46 to 60 of 75

Q. Crystals which are better developed in two directions than third direction are knownas

a. equidimensional

b. tabular

c. none of these

d. any of these

  • b. tabular

Q. The rock which is composed of entirely of crystals is known as

a. holocrystalline

b. holohyaline

c. mesocrystalline

d. none of these

  • a. holocrystalline

Q. The rock which completely consist of glass is known as

a. holocrystalline

b. holohyaline

c. mesocrystalline

d. none of these

  • b. holohyaline

Q. The rock which consists of partly of crystals and partly of glass is known as

a. holocryslalline

b. holohyaline

c. mesocrystalline

d. none of these

  • c. mesocrystalline

Q. Olivine groups have chemical formula

a. SiO2H2O

b. MgO3

c. (MgFe)2 SiO4

d. none of these

  • c. (MgFe)2 SiO4

Q. Small pieces of rock moved from one part to other by wind and water, glacier iscalled as

a. erosion

b. rock flow

c. weathering

d. cementation

  • c. weathering

Q. What is the molten rock under the earth's surface called ?

a. magma

b. lava

c. both lava and magma

d. none of these

  • b. lava

Q. Small pieces of rocks are called as

a. pebbles

b. particles

c. sediments

d. chips

  • c. sediments

Q. Igneous rock changes to metamorphic rock by process of

a. magma cooling

b. compaction

c. heat & pressure

d. weathering and erosion

  • d. weathering and erosion

Q. The method of rock forming is called as

a. weathering cycle

b. rock cycle

c. magma cycle

d. rock formation

  • b. rock cycle

Q. Which classification of rock is not found in rock cycle ?

a. cemented rock

b. metamorphic rock

c. semdimentary rock

d. igneous rock

  • a. cemented rock

Q. Igneous rocks are formed by

a. weathering and erosion

b. heat and pressure

c. compaction and cementation

d. cooling of magma

  • d. cooling of magma

Q. How thick is the crust of the earth ?

a. about 4 miles

b. about 4 km

c. about 40 km

d. about 400 km

  • c. about 40 km
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