[Geology] Mock Board Exam - General Geology Part 2

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!

General Geology

1. The melting or removal of thick glaciers would lead to _______  of the lithosphere:

a)isostatic rebound

b)isostatic adjustment

c)sudden upheaval

d)a and b

e)none of the above

2. Airy’s theory of isostasy assumes that the lithospheric 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 asthenosphere

d)different densities and lie at similar levels on the astheosphere

e)none of the above

3. What phenomenon do atolls most probably indicate?

a)increase in sea level

b)uplift of islands

c)submergence of islands

d)folding of rocks

e)subsidence

4. The planets in the solar system rotates in the direction similar to that of revolution except:

a)Jupiter

b)Mars

c)Saturn

d)Earth

e)Venus

5. Which of the following minrerals is most stable during weathering?

a)olivine

b)calcite

c)quartz

d)aluminum hydroxides

e) b and c

6. Fissure flows and formation of flood basalts in divergent oceanic plate boundaries generally involve quiescent  volcanic activity.This statement is:

a)True b)false c)neither true or false

7. Which among the following minerals is most stable at low temperature conditions?

a)bytownite

b)anorthite

c)andesine

d)oligoclase

d)labradorite

8. Deposits laid down at the inner bend of a meander are called  _______ deposits.

a)point bar

b)lagoon

c)oxbow

d)delta

e)none of the above

9. Eolian deposits are _________ compared to alluvial deposits.

a)less sorted

b)better sorted

c)no conclusion can be drawn

10. Bowl shaped depressions that occur at the heads of mountain glaciers are called:

a)arête

b)cirques

c)hanging valley

d)horns

e)none of the above

11. This type of eruption is characterized by a short-lived,explosive outbursts of pasty lava ejected a few tens or hundreds of meters into the air:

a)strombolian

b)Vulcanian

c)Hawaiian

d)Plinian

e)phreato-magmatic

12. The oblate spheroidal shape of the earth can be explained by the fact that:

a)the gravitational force offsets the effect of centrifugal force at the poles

b)the gravitational force offsets the effect of centrifugal force at the equator

c)centrifugal force is greater at the equator than at the poles

d) a and c

e) b and c

13. What fundamental assumption is made by geologists when they interpret  the geological record noted in rocks?

a)Most geologic processes taking place today operatad at rates different from those of the past.

b)Features found in the rocks were produced by the same processes that operated in the past.

c)Uniformity in the type and rate of processes

d) b and c

e)none of the above

14. Which of the following is not a diagenetic process?

a)bioturbation

b)formation of stylolites

c)cementations

d)formation of concretions in chert

e)none of the above

15. The average density of the earth is 5.52g/cm3 and the average density of the oceanic crust is 3.0g/cm3. This statement implies that:

a)The earth is homogenous

b)The density of the rocks below the crust is greater than that of the oceanic crust

c)The density of the rocks below the crust is lower than that of oceanic crust

d)The density of the rocks below the crust is less than 5.52g/cm3

e)none of the above

16. Which of the following is not a physical weathering process?

a)frost wedging

b)unloading

c)action of roots on a material

d)hammering of rocks by a geologist

e)none of the above

17. The lithosphere includes the:

a)oceanic and continental crusts

b)upper mantle

c)upper part of the upper mantle

d) a and c

e)all of the above

18. The Sun is mostly made up of:

a)oxygen 

b)hydrogen 

c)carbon dioxide 

d)nitrogen 

e)helium

19. Which of the following is not a feature of tide-dominated delta?

a)marsh

b)mud flats

c)estuary

d)bird’s foot delta morphology

e)none of the above

20. The layer of the atmosphere considered to be our global “sunscreen” from UV rays:

a)stratosphere

b)troposphere

c)mesosphere

d)thermosphere

21. The movement of sediment along a beach by swash and backwash of waves that approach the shore obliquely is formed:

a)longshore drift

b)rip currents

c)wave action

d)tidal action

e)none of the above

22. The continental crust is also known as:

a)sima

b)sial

c)ophiolite

d)none of the above

23. Mechanical weathering involves disintegration and decomposition.This statement is:

a)True b)False c)no conclusion can be drawn

24. Which of the following would not describe a thrust fault?

a) dip-slip

b) hanging wall moves up

c) low-angle fault plane dip

d) upper plate overrides lower plate

e) horizontal tensional stress

25. What global tectonic features are found where thrust faults are common?

a) rift valleys 

b) transform plate boundaries 

c) folded mountain ranges related to convergent plate boundaries 

d) thermal plumes 

e) mid-ocean ridge 

 

For some reason, #25 couldn't be edited in the way I want. Anyway, good luck!