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Geography Grade 12 Unit 1: MAJOR GEOLOGICAL PROCESSES ASSOCIATED WITH PLATE TECTONICS

42 national exam questions have come from this unit. It runs 32 pages; one careful study pass takes about 2.8 hours, and its difficulty is easier among Geography units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.

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1.1 Continental Drift Theory · read p. 2

2015 E.C., Q37 – One of the following explains the Continental Drift Theory. Which one is it?

1.2 Plate Tectonics Theory · read p. 5

2018 E.C., Q79 – What does plate tectonic theory state?
2017 E.C., Q31 – Why was Alfred Wegener's continental drift theory NOT easily accepted by the scientific community of the time? This was due to

1.3 Plate Movements and Plate Boundaries · read p. 8

Not asked in a national paper yet.

1.4 Major Geological Processes · read p. 9

2018 E.C., Q49 – How is a mountain formed? It is formed by the
2018 E.C., Q80 – When do convergent plate boundaries occur? They occur
2018 E.C., Q1 – What is an earthquake?
2018 E.C., Q3 – Which mountain was formed by folding during Alpine orogeny period?
2018 E.C., Q2 – Which of the following is correct about chemical weathering?
2017 E.C., Q84 – What is the major cause of mass wasting in an area?
2017 E.C., Q85 – What is the effect of folding on the earth's surface?
2017 E.C., Q86 – Which one of the following countries lies in the Pacific Ring of Fire?
2017 E.C., Q83 – How does sheet erosion occur? It occurs when surface water
2017 E.C., Q33 – Which one of the following describes chemical weathering? It is the
2017 E.C., Q17 – How do reverse faults occur? They occur due to the action of
2017 E.C., Q19 – Which geologic process mainly involves the breaking of rocks into pieces and formation of new substances?
2017 E.C., Q16 – Among the following landforms, which one is formed when magma solidifies in a vertical or near vertical crack?
2017 E.C., Q18 – What can be the effect of an earthquake on buildings when it occurs with a magnitude of three on Richter scale?
2017 E.C., Q67 – How is lagoon formed by the action of sea waves? It is formed when
2017 E.C., Q57 – Which component of an ecosystem changes plant and animal remains in to soil?
2017 E.C., Q32 – How do transform fault boundaries occur? They occur when
2016 E.C., Q46 – Which type of extrusive land feature is formed by volcanism?
2016 E.C., Q19 – What is the principal agent for the chemical weathering of rocks?
2016 E.C., Q47 – Which statement describes the process of faulting?
2016 E.C., Q18 – Which landmass is formed through the convergence of two oceanic plates?
2016 E.C., Q48 – What is the type of land feature cut off from the sea by sand banks?
2016 E.C., Q20 – Which one of the following country is found in the 'ring of fire' zone?
2015 E.C., Q29 – Which of the following igneous rock has clearly observed crystals and coarse grain?
2015 E.C., Q6 – What type of erosion is commonly found in coastal areas?
2015 E.C., Q9 – Which of the following refers to how energy from the sun is transmitted to the Surface of the earth?
2015 E.C., Q39 – In which of the following conditions does folding happen?
2014 E.C., Q56 – Under what condition are Fold Mountains formed?
2014 E.C., Q58 – Which one of the following is a common agent for both physical and chemical weathering?
2014 E.C., Q75 – Among the following major types of rock, which one is formed as a result of compaction and cementation?
2014 E.C., Q59 – Among the following, which one is a cause for the formation of barchans?
2014 E.C., Q43 – Which of the following explains the structure of the earth?
2014 E.C., Q57 – What type of geographic feature is formed when magma cools and solidifies before reaching the surface of the earth?
2014 E.C., Q33 – Which one of the following best describes the major rivers of Ethiopia?
2012 E.C., Q23 – Under what condition is a river capture formed?
2012 E.C., Q22 – Sources of rivers are a higher ground that are covered by hard rocks which cannot easily be eroded. If an area has ample rainfall, what type of drainage pattern, do you think, can develop in the area?
2012 E.C., Q24 – Among the following, which one explains the feature of a river at its middle course?
2012 E.C., Q21 – What type of drainage pattern do you expect in areas that consist of rocks of different hardness?