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312/1
GEOGRAPHY
Paper 1
July / August - 2008
Time: 2 ¾ Hours
SIAYA DISTRICT SECONDARY SCHOOLS EVALUATION EXAMINATIONS - 2008
Kenya Certificate of Secondary Education (K.C.S.E)
312/1
GEOGRAPHY
Paper 1
July / August - 2008
Time: 2 ¾ Hours
INSTRUCTION TO CANDIDATES
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This paper has two sections A and B.
Answer all the questions in section A. In section B answer questions 6 and any other two
questions
All answers must be written in the answer sheets provided.
This paper consists of 4 printed pages.
Candidates should check the question paper to ensure that all pages are printed as indicated
and no questions are missing
© The Siaya District Examination Panel
Geography 312/1
1
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SECTION A
Answer ALL the questions in this section
1.
2.
a) Name two types of boundaries associated with plate tectonic movements.
(2mks)
b) Give three characteristics of the tectonic plates.
(3mks)
a) State two conditions for the formation of fog.
(2mks)
b) Name three factors that determine the amount of solar radiation which reaches the surface
of the Earth.
3.
(3mks)
The diagram below represents an underground cavern. Use it to answer question 3. a
a) Name
4.
(i) The features marked Y and Z.
(2mks)
(ii) The rock marked X.
(1mk)
b) State two significance of the Karst scenery.
(2mks)
a) The diagram below represents a glaciated highland. Use it to answer question 4a.
Tarn
5.
(i) Name the features marked X and Y.
(2mks)
(ii) Name the feature marked Z.
(1mk)
b) State two factors that influence the movement of a glacier.
(2mks)
The diagram below represents the hydrological cycle. Use it to answer question 5 a.
A
© The Siaya District Examination Panel
Geography 312/1
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a) (i) Name the processes marked A and B.
(2mks)
B) State the factors influencing the process marked A.
(3mks)
SECTION B
Answer question 6 and any other questions in this section
6.
Study the map of Taita Hills (1:50,000) sheet 189/4 provided and answer the following
questions.
a) (i) State any two scales used on the map.
(2mks)
(ii) Name one made feature in the Grid square 3117.
(1mk)
(iii) Name two methods of showing relief used in the map extract.
(2mks)
b) (i) Find the magnetic declination of the map.
(1mk)
(ii) Calculate the Gradient of the footpath between Grid readings 319 170 to 370 159.(2mks)
(iii) Reduce the area covered by the map by a quarter, and mark the following features.
- Railway mine
(1mk)
- Mgange Hills
(1mk)
- Ronge Forest
(1mk)
(iv) Calculate the new scale for the reduced map.
(1mk)
c) Using a vertical scale of 1cm to represent 20m.
(i) Draw a cross section along Northing 20, from Easting 35 to Easting 42.
(3mks)
(ii) On the cross section mark and name the following
7.
- road
(1mk)
- a river
(1mk)
(iii) Calculate the vertical exaggeration of the cross section you have drawn.
(2mks)
(iv) Describe the relief of the area covered by the map.
(6mks)
a)(i) What is faulting?
(2mks)
(ii) Name four types of faults.
(4mks)
b) With the aid of well-labelled diagrams, describe how a Rift Valley is formed by Tensional
forces.
(8mks)
c) Apart from the Rift Valley, name other three relief features that may form as a result of
faulting.
(3mks)
d) Explain four ways in which features resulting from faulting are Economic significance.
(8mks)
8.
(a) Name
(i) Two oceans and
(2mks)
(ii) Two seas wich surround the African continent.
(2mks)
(iii) State two factors which cause the development of ocean currents.
(2mks)
b) (i) State three factors which influence wave deposition.
(3mks)
© The Siaya District Examination Panel
Geography 312/1
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(ii) Name four features resulting from wave deposition.
(4mks)
c) (i) Explain how submerged coasts develop.
(6mks)
(ii) Describe two types of coasts resulting from submergence of a highland coastline
(4mks)
(iii) Name two theories that explain the origin of barrier reefs and atolls.
9.
(2mks)
Study the map of the climatic regions of Kenya below then answer the following questions.
Y
a) (i) Identify the climatic region labelled Y.
(1mk)
(ii) Name two hot deserts found in the desert climate labelled X.
(2mks)
(iii) Give five development activities that the Kenyan government could initiate sustain ably
in the region X.
(5mks)
b) (i) Describe four features of desert climate vegetation in region X.
(8mks)
(ii) State four characteristics of cold desert climates of the world.
(4mks)
c) Students of Ambrose Adeya Adongo conducted a field study on vegetation.
(i) State two hypothesis for the study.
(2mks)
(ii) State three preparations the students must consider before conducting the study.(3mks)
10.
(i) Define soil profile.
(2mks)
(ii) State any two soil forming processes.
(2mks)
(iii) Give three leaching processes.
(3mks)
b) Explain how the following factors influence soil formation.
(i) Parent rock.
(4mks)
(ii) Living organism.
(4mks)
(iii) Topography.
(4mks)
c) Students from a certain school conducted a field study on soil erosion around their school.
(i) State any three conditions leading to soil erosion they might have come up with. (3mks)
(ii) Give any three problems they might have faced during their field study.
(3mks)
(iii) They might have faced during their field study.
(3mks)
© The Siaya District Examination Panel
Geography 312/1
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END