SECTION A (25 Marks)

1.

a) How does a sea breeze occur? (4mks)

b) State two effects of a warm ocean current on the adjacent land.

6 marks

2.

a) What is a longitude? (2mks)

b) i) If time in New York 740 w is 8.00Am. What will time be at Kitale 350 East? (2mks)

ii) What is the effect of international dateline?

6 marks

3.

a) Name the fold mountain systems found in North America. (2mks)

b) List two negative effects of fold mountains to man. (2mks)

4 marks

4.

a) What is climate? (2mks)

b) The table below represents rainfall and temperature figures for a station in Africa.

Use it to answer the following questions.

b) i) Calculate the annual range of temperature . (1mk)

ii) Calculate the total annual rainfall for the town. (1mk)

4 marks

5.

a) Name two desert features formed due to water action. (2mks)

b) State three conditions which influence deposition by wind in deserts. (3mks)

4 marks

SECTION B (70 Marks)

Answer question 6 and any other two questions in this section.
6.

Study the map of Kitale (1:50,000) provided and answer the following questions.

a) i) State the appropriate altitude of Kitale town. (2mks)

ii) Calculate the area of Kitale town. (2mks)

b) Describe the relief of the area covered by the map. (4mks)

c) Citing evidence from the map state four economic activities carried out in the area covered by the map. (4mks)

d) Draw a rectangle measuring 14cm by 8cm to enclose the area bounded by eastings 43 and 50 and northing 11 and 15. On the rectangle drawn show the following: - Swamp - River Suwerwa. - Scrub vegetation. (5mks)

e) Students at Croft’s bridge school carried out a field study in the area east of Easting 35

i) Mention two appropriate methods they may have used to collect data. (2mks)

ii) Apart from scrub and forest name two other vegetation types they may have studied. (2mks)

iii) Identify two land uses they may have observed. (2mks)

iv) Give two reasons why a map would be necessary.

24 marks

7.

a) i) What is an ice –sheet (2mks)

ii) Give two reasons why there are no ice sheets in Kenya. (2mks)

iii) Explain three factors that influence the movement of ice from the place of accumulation. (6mks)

b) Describe how a pyramidal peak is formed (4mks)

c) i) Name three glacial depositional features. (3mks)

ii) Explain four positive effects of glaciated upland features to human activities.

17 marks

8.

a) Draw an outline map of Africa and on it show the extend of the following vegetation types.

- Tropical rainforest. (1mk)

- Savannah vegetation (1mk)

- Mediterrenean vegetation (1mk)

b) Describe the characteristics of Savannah type of vegetation (6mks)

c) State four ways in which the coniferous forests trees adapt themselves to the environmental conditions of the area they are found. (4mks)

d) Explain how the following factors influence the distribution of the major vegetation types in Kenya. i) Variation in temperature (2mks)

ii) Soils (2mks)

iii) Drainage (2mks)

e) You are required to carry out a field study on vegetation in your area.

i) State two reasons why sampling would be an appropriate method to use for this field study. (2mks) ii) State two main problems you are likely to face during the study and suggest their solutions

20 marks

9.

a) i) Distinguish Vulcanicity from Volcanicity (2mks)

ii) With examples from Kenya differentiate between a plug dome and a volcanic plug. (4mks)

b) Using well labeled diagrams, describe the formation of a caldera due to violent explosion. (6mks)

c) i) What is a gyser (1mk)

ii) Describe two types of plate tectonic boundaries associated with major volcanic activities. (4mks)

d) Explain any four negative effects of volcanicity in Kenya.

16 marks

10.

a) Name three types of submerged Coasts (3mks)

b) Describe the processes involved in marine erosion. (6mks)

c) Using a well labeled diagram describe how a stack is formed. (8mks)

d) i) Name three coastal features you are likely to find at the Kenya Coast other than stack. (3mks)

ii) State five ways in which Kenya benefits from her Coastal features (5mks)

25 marks

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