Quiz: Can You Pass The Geology Practice Exam?

71 Questions | Total Attempts: 110

SettingsSettingsSettings
Please wait...
Quiz: Can You Pass The Geology Practice Exam?

.


Questions and Answers
  • 1. 
    The distribution of natural resources is influenced by the
    • A. 

      All of the above

    • B. 

      Types of rocks

    • C. 

      Age of rocks

    • D. 

      Ways that rocks are formed

  • 2. 
    Geology can help us learn about Earth's past by studying:
    • A. 

      All the above

    • B. 

       why continents and oceans are different

    • C. 

      Why a landscape looks the way it does

    • D. 

      How life in the past was different than today

  • 3. 
    Which of the following Earth layers is the thinnest
    • A. 

      Oceanic crust

    • B. 

      Upper mantle

    • C. 

      Lower mantle

    • D. 

      Outer core

    • E. 

      Inner core

  • 4. 
    Which of the following is not an important difference between continents and oceans?
    • A. 

      Whether it is part of the lithosphere

    • B. 

      Elevation

    • C. 

      Density of the crust

    • D. 

      Thickness of the crust

    • E. 

      Composition of the crust

  • 5. 
    Radioactive decay within the earth produces heat; the other form of heat produced by the earth comes from
    • A. 

      Heat trapped when the Earth was formed

    • B. 

      Solar radiation trapped in the rock on the Earth's surface

    • C. 

      Heat produced by air as it moves across the oceans

  • 6. 
    The age of a fossil, organism, rock, geologic feature or event as defined relative to other geologic features or events is the?
    • A. 

      Relative age

    • B. 

      Absolute age

    • C. 

      Numerical age

    • D. 

      Radiometric age

  • 7. 
    Which of the following is true about rocks and minerals?
    • A. 

      A rock can contain more than one mineral

    • B. 

      A mineral is composed of chemical elements

    • C. 

      A single rock can include more than one mineral

    • D. 

      All the above

  • 8. 
    Rocks are composed of
    • A. 

      Minerals

    • B. 

      Crystals

    • C. 

      Sand

    • D. 

      Glass

  • 9. 
    The mineral halite has cube-shaped crystals because
    • A. 

      There are no planes along which the mineral can break

    • B. 

      Cubes are the most common way two tetrahedron can join

    • C. 

      Of the arrangement of atoms in crystal lattice

    • D. 

      Halite is soluble in water

  • 10. 
    If a mineral lacks planes along which is may cleave, what will occur?
    • A. 

      The mineral will fracture in an irregular pattern

    • B. 

      The mineral will not break

    • C. 

      The mineral will fracture evenly along predictable planes

    • D. 

      The mineral will still cleave but it will only occur along one plane

  • 11. 
    A porphyric igneous texture indicates that
    • A. 

      The rock cooled slowly and then quickly

    • B. 

      There was water in magma

    • C. 

      The rock broke as it flowed

    • D. 

      The rock cooled slowly

    • E. 

      The ash and pumice became compacted

  • 12. 
    Rock that exhibits both coarse and fine-grained textures is called
    • A. 

      Porphyritic

    • B. 

      Pegmatite

    • C. 

      Aphanitic

    • D. 

      Glassy

  • 13. 
    This volcano is broad and low and is composed of basaltic lava flows. What kind of volcano is it?
    • A. 

      A shield volcano

    • B. 

      Composite volcano

    • C. 

      A caldera

    • D. 

      A scoria cone

  • 14. 
    Huge circular depressions from which volcanos erupt are called?
    • A. 

      Calderas

    • B. 

      Fissures

    • C. 

      Cones

    • D. 

      Domes

  • 15. 
    The higher the gas pressure builds in a magma,
    • A. 

      The more explosive an eruption it is likely to produce

    • B. 

      The more likely a volcanic dome is to form

    • C. 

      The longer the lava flows on an eruption will produce

    • D. 

      The less explosive an eruption is likely to produce

  • 16. 
    Shield volcanos are composed primarily of 
    • A. 

      Rhyolite lava flows

    • B. 

      Basalt lava flows

    • C. 

      Andestite lave flows

  • 17. 
    Shield volcanos have low slopes primarily because
    • A. 

      The low viscosity of basaltic magma allow it to flow downhill for long distances

    • B. 

      They never erupt from the same plate twice

    • C. 

      Their abundant ash layers spread out large distances

  • 18. 
    Volcanic mudflows (lahars) are common on composite volcanoes because
    • A. 

      Large amounts of rain and snowmelt mix with loose ash on steep slopes

    • B. 

      Hot mud commonly erupts from their central craters

    • C. 

      Such volcanoes form preferentailly in rainy tropical locations

  • 19. 
    Which of the following activities is not used to monitor volcanos?
    • A. 

      All of these are used to monitor volcano

    • B. 

      Measuring tilting on he flanks of a volcano 

    • C. 

      Measuring changes in heat flow from satellites

    • D. 

      Measuring seismic activity with seismic instruments

    • E. 

      Measuring sulfur dioxide gas emissions

  • 20. 
    How can we tell that the Himalaya has been uplifted
    • A. 

      All of the above

    • B. 

      Deep rocks are exposed at the surface and yield young isotopic ages

    • C. 

      Uplift can be measured with a gps

    • D. 

      The top of Mount Everest contains a limestone with marine fossils

  • 21. 
    Regional Elevations on land are primarily controlled by
    • A. 

      The thickness of continental crust

    • B. 

      The temperature of the crust

    • C. 

      Whether the area is over a hot sport

    • D. 

      Whether the crust is old or was formed more recently

  • 22. 
    The principle that regional elevations adjust to the types and thicknesses of rocks at depth is known as:
    • A. 

      Isostasy

    • B. 

      Superposition

    • C. 

      Elastic rebound

    • D. 

      Equanimity

  • 23. 
    Which of the following are tectonic settings in which regional mountain belts form?
    • A. 

      All of the above

    • B. 

      Mantle upwellings

    • C. 

      Continental collisions

    • D. 

      Subduction zones

  • 24. 
    What is the main reason why the oldest rocks can vary from one part of a continent to another
    • A. 

      Part of the continent have been added by the accretion of tectonic terranes

    • B. 

      Large parts of the continent are subducted deep within the mantle

    • C. 

      Older rocks have been uplifted and eroded away

    • D. 

      Older rocks are commonly remelted over huge regions

  • 25. 
    Why does the Tibetan Plateau have a high elevation?
    • A. 

      Continental collision

    • B. 

      Continental rifting

    • C. 

      Seafloor spreading

    • D. 

      Transform faulting

    • E. 

      Hot spot activity