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 Form 2 Geography Exam Questions With Answers

a) Using well labelled diagrams, describe how the following are formed:
(i) An anticlinal fault
(ii) An overthrust fold
b) Explain any three ways in which features resulting from vulcanicity are a problem to people

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Answer Text:
i) - Crustal rock layers are subjected to compressional forces
- This leads to formation of a massive article /up fold
- Further compression to the same crustal rocks causes stress/tension at the crest of the anticline
- Eventually a crack/fault and around the crust of the anticline called an anticline fault
g29a.PNG
g29b.PNG
ii) - Crustal rock layers are subjected to compressional forces
- Intense folding results into formation of an over fold
- With increased pressure the over fold is compressed further to form a recumbent fold
- When pressure if very great, a fracture occurs along the axis producing a thrust plane
to form an overthrust fold
g29c.PNG
b) - Volcanic mountains experience low rainfall on their leeward slopes making them
unsuitable for agriculture/settlement/forestry
- Volcanic mountains have steep slopes which hinder transport and communication
- Some volcanic features like moffetes, solfataras steam jets produce poisonous gases which
pollutes the environment/are harmful to people
- Some volcanic rock weather to form infertile solid unsuitable for agriculture/forestry


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