Monday, July 15, 2024

[Geology] Mock Board Exam - General Geology

Note: Hi, guys! Publishing practice questionaires WITH NO ANSWER KEYS at the moment. Hopefully, this would be beneficial for all the takers of the Geologist Licensure Exam this year. Good luck and share it as much as you want. Regards!



Mock Board

1. In calculating the circumference of the earth, Erathosthenes assumed that the:
a)Earth is a perfect sphere
b)equatorial radius is greater than the polar radius
c)polar radius is greater than the equatorial radius
d)Earth materials are of equal density
e)none of the above

2. The Bowen’s reaction series explains the production of varios types of magma from a single magma by:

a)liquid immiscibility

b)fractional crystallization

c)magma mixing

d)magmatic assimilation

e)none of the above


3. Ventifacts are formed by:

a)deflation

b)sandblasting

c)traction

d) a and b

e)none of the above


4. The permeability of sand composed of angular grains is ________ compared to that of sand composed of spherical grains.

a)lesser

b)greater

c)similar

d)no conclusion can be drawn


5. Trellis type of drainage pattern would be found in Mt. Mayon.This statement is:

a)True

b)false

c)no conclusion can be drawn


6. Lower crustal melting is also referred to as:

a)Ophiolite

b)anatexis

c)fractional crystallizaton

d)decompression

e)none of the above


7. _______ is a depositional feature formed when streams deposit their load as they enter a body of water as lake or sea:
a)levee
b)lagoon
c)floodplain
d)delta
e)point bar


8. Continuous or broken circle of coral reef and low coral islands surrounding a central island is called?
a)barrier reef
b)fringing reef
c)atoll
d)carbonate build up
e)none of the above

9. Long ridge of sand deposit by longshore current and drift and attached to the mainland:
a)tombolo
b)offshore bar
c)spit
d)tidal inlet
e)none of the above

10. The ozone layer can be found in the:
a)troposphere
b)stratosphere
c)mesosphere
d)thermosphere
e)none of the above

11. The earth’s internal heat is mainly due to:
a)pressure
b)presence of radioactive materials
c)solar heat absorption
d)residual heat

12. Chemical weathering usually prevails in cold regions and high altitudes.This statement is:
a)true
b)false
c)no conclusion can be drawn

13. The following are precursors of an impending volcanic eruption:
a)ground swells
b)drying up of springs
c)drying up of vegetation
d)increase in the frequency of the tidal waves
e)none of the above

14. This marks the base of the crust marked by abrupt increases in velocities of siesmi waves
a)Moho discontinuity
b)Lehman discontinuity
c)hiatus
d)diastem
e)none of the above

15. Mineral of higher temperature of formation than pyroxene according to Bowen’s reaction series:
a)amphibole
b)quartz
c)olivine
d)mica
e)Na-plagioclase

16. Pratt’s theory of isostasyassumes that the lithosphere blocks are of:
a)similar density and lie at different levels on the asthenosphere
b)different densities and lie at different levels on the asthenosphere
c)similar density and lie at similar levels on the asthenoshere
d)different densities and lie at similar levels on the asthenosphere
e)none of the above

17. Based on radiometric dating of rocks, the earth is at least:
a) 1.6 billion years old
b) 3.4 billion years old
c) 2 billion years old
d) 4.5 billion years old
e)none of the above

18. Which of the following does not providecrucial information in interpreting the environment of deposition of a particular outcrop?
a)type of lithology
b)internal structures
c)fossil types
d)rock texture
e)none of the above

19. Wind-deposit,unconsolidated usually unstratified deposits are called:
a)dunes
b)loess
c)silt
d)deflation lag deposits
e)none of the above

20. The Big Bang Theory was first proposed by ______ in the 1920’s.
a)Georges Lemaitre
b)Edwin Hubble
c)Pierre Simon de Laplace
d)Immanuel Kant
e)none of the above

21. How do effects of physical weathering differ most fundamentally from those of chemical weathering?
a)chemical weathering changes the bulk composition of rock,physical weathering does not
b)chemical weathering reduces the size of rocks,physical weathering does not
c)chemical weathering reduces the size of the mineral grains,physical weathering does not
d) a and b
e)none of the above

22. Asymmetrical ripple marks are generally products of:
a)wave action
b)current activity
c)turbidity currents
d)sand migration
e)none of the above

23. An area underlain by folded sedimentary units composed of alternating resistant and non-resistant rocks will develop this type of drainage pattern:
a)radial
b)dendritic
c)rectangular
d)trellis
e)none of the above

24. Limestone weathering typically involves this type of chemical weathering process
a)oxidation
        b)carbonization
c)hydration
d)hydrolysis
e) c and d

25. Within a mature soil profile,        is the horizon composed of  slightly broken up bedrock:
a)A horizon
b)B horizon
c)C horizon
d)E horizon
e)K horizon

26. A semi-isolated body of water situated behind an offshore bar:
a)swamp
b)lagoon
c)crevasse splay
d)oxbow lake
e)none of the above

27. Stocks batholiths and dikes are varieties of:
a)concordant plutons
b)discordant plutons
c)mantle plums
d)volcanic rocks
e)none of the above

28. This marks the boundary between the outer core and the inner core is referred to as:

a)Gutenberg discontinuity

b)Milankovitch discontinuity

c)Lehmann discontinuity

d)Mohorovicic discontinuity

e)None of the above

 29. Which of the following is not considered as a magmatic differentiation process?

a)liquid immiscibility

b)fractional crystallization

c)magma mixing

d)magmatic assimilation

e)none of the above


30. Measure of the maximum particle size a stream can carry is refferes to as:
a)Capacity
b)Capability
c)Competence
d)Sorting
e)none of the above

31. Which environment of deposition is best suggested by the following feature: shale, siltstone, coal, plant fossils, laminated units?
a)tidal flats
b)lagoon
c)alluvial fan
d)eolian
e)paludal

32. Non-sorted glacial drift deposited directly from ice is called:
a)till
b)moraine
c)fjord
d)arête
e)none of the above

33. Which of the following is likely to be an end product of the weathering of typical granite?
a)kaolinite
b)quartz
c)gypsum
d) a and b
e)all of the above

34. A process whereby a stream takes a new route, by diverting its flow across point bars:
a)neck cut-off
b)chute cut-off
c)oxbow formation
d)overtopping
e)none of the above

35. The discontinuity that marks the boundary between the mantle and the core is referred to as:
a)Mohorovicic discontinuity
b)Gutenberg discontinuity
c)Lehmann discontinuity
d)seismic gap
e)none of the above

36. Which of the following is not an attribute of a basaltic magma?
a)crystalize at 1000-1200˚C
b)highly viscous
c)relatively high density
d)may be a parental magma
e)none of the above

37. In a water column, medium-sized sands are likely to be transported by means of:
a)suspension
b)traction
c)saltation
d) a and c
e)none of the above

38. Migration of ripples forms:
a)cross lamination
b)graded bedding
c)flute casts
d)concretions
e)none of the above

39. A dendritic pattern exhibited by a fluvial system in an area likely suggest the presence of:
a)resistant and non-resistant rock
b)rocks of equal resistance to weathering
c)volcanic centers
d) a and c
e) b and c

40. Which of the following is not a factor influencing the degree of weathering?
a)topography
b)climate
c)lithology
d)all of the above
e)none of the above


Publishing more in the next few days! Again, good luck!






1 comment: