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GEOGRAPHY FORM 3 END TERM EXAMS PLUS ANSWERS IN PDF

ULTIMATE ACHIEVERS ACADEMY

Name___________________________________________________AdmNo:_____________

Date__________________________________________Sign_______________

END OF TERM  EXAMINATION 

FORM THREE

GEOGRAPHY

TIME: 2 HOURS 30 MINUTES

 

INSTRUCTIONS:

a). Write your name, class and Admission number in the spaces provided above.

b).Answer all the questions

c). All answers must be written in the space provided in this booklet.

  1. a) What is the difference between weathering and mass wasting?             (2 mks)

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  1. b) State three factors which influence mass wasting.                                                    (3 mks)

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  1. a) Name two soft wood trees grown in the forest reserves of Kenya. (2 mks)

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  1. b) State three characteristics of softwood forests in Canada.                                       (3 mks)

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R
  1. a) The diagram below represents a composite volcano. Name the features marked. (3 mks)

P ________________________________________

Q ________________________________________

R ________________________________________

  1. b) What is magma?                                                                                                         (2 mks)

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  1. Differentiate between folding and faulting (2 mks)

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  1. State three causes of earthquakes. (3 mks

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SECTION B

Answer all questions this section.

 

  1. Study the map of Taita Hills 1:50,000 (Sheet 189/4) provided and answer the following questions.
  2. a) i) Name two types of scales used on this map. (2 mks)

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  1. ii) List three man-made features found in the grid square (2918).                                (3 mks)

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iii)  Name the feature found on the grid reference (426255).                                          (1 mk)

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  1. b) Name two hydrographic features depicted on the map. (2 mks)

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  1. c) Describe the relief of the area covered by the map. (3 mks)

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  1. d) Giving evidence from the map, name three forms of transport in the area covered by the map.                                                                                                                      (3 mks)

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  1. e) Draw a square of 6cm to represent the area between Eastings 36 and 40 and between Northing 26 and 29. On it show:
  2. i) Dam
  3. ii) Ronge forest

iii)  Road – loose surface road

  1. iv) Motorable track
  2. v) Outcrop rock

 

  1. a) The diagram below shows a waterfall. Name the features marked. (3 mks)

 

X______________________________________

Y______________________________________

Z_____________________________________

  1. b) i)    Describe the process of river capture.                                                                 (4 mks)

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  1. ii) Give three evidences of river capture. (3 mks)

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  1. c) Suppose you are to carry out a field study of one of the big rivers in your county.
  2. i) State three ways in which you would prepare for the study.                              (3 mks)

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  1. ii) State two advantages of studying rivers through field work.                             (2 mks)

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  1. a) Describe how Lake Victoria was formed. (5 mks)

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  1. b) Explain five reasons why some lakes in rift valley have fresh water.                      (5 mks)

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  1. c) State five economic uses of lakes.                                                                                  (5 mks)

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  1. The table below shows the Kenya’s leaching export minerals by value (Ksh million). Study the table and answer the questions that follow.
Mineral 2000 2001 2002 2003 2004
Soda ash 35150 34485 34376 33005 36072
Fluorspar 21216 19846 28334 36485 39541
Salts 11707 7460 6541 6286 6944

 

  1. a) Calculate the percentage increase in value of soda ash as export between the year 2000 and 2004.                         (2 mks)

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  1. b) Calculate the total mineral exports for the year 2002.                                              (2 mks)

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  1. c) Calculate the average exports for salts from the year 2000 to 2004.                                    (2mks)

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  1. d) i) Name three method of mining. (3 mks)

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  1. ii) Explain three benefits of gold mining in South Africa.                                            (6 mks)

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  1. a) The diagram below shows a feature resulting from wind erosion in the deserts. Study it and answer the questions that follow.

 

  1. i) Identify the feature.                                                                                             (2 mks)

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  1. ii) Explain how the above feature is formed.                                                          (5 mks)

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iii)  Give two main deserts where this feature is common.                                      (2 mks)

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  1. b) A form three class conducted a field study in an area affected by wind deposition.
  2. i) State three types of sand dunes the class would have identified.                       (3 mks)

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  1. ii) State three problems the students would have come across. (3 mks)

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FORM THREE

GEOGRAPHY

MARKING SCHEME

SECTION A

  1. a) – Weathering is physical break down or chemical decay of rocks in situ while mass

wasting is the movement of weathered rock material down a slope under the influence of gravity.

(2 mks)

  1. b) –     Angle of slope/gradient

(3 x 1 = 3 mks)

 

  1. a) – Cypress

(2 x 1 = 2 mks)

 

  1. b) –     Trees are conical in shape

(3 x 1 = 3 mks)

  1. a) P – conelet/parasitic cone/subsidiary cone

Q – layer of lava

R – crater

(3 x 1 = 3 mks)

  1. b) –     Magma is a mixture of molten rocks and gases in the interior of the earth.

(2 mks)

  1. – Folding is the bending of rocks of the earth’s crust while faulting is cracking or

fracturing of the rocks of the earth’s crust.

(2 mks)

  1. – Collision between tectonic plates

(3 x 1 = 3 mks)

 

SECTION B

 

  1. a) i) Types of scales used

(2 x 1 = 2 mks)

 

  1. ii) List three man-made features found in the grid square (2918)

(Any 3 x 1 = 3 mks)

 

iii)  Feature found in the grid reference (426255)

(1 mks)

 

  1. b) Two hydrographic features depicted on the map

(Any 2 x 1 = 2 mks)

 

  1. c) Describe the relief of the area covered by the map.

(Any 3 x 1 = 3 mks)

 

  1. d) Forms of transport

(3 x 1 = 3 mks)

  1. e)

 

  1. a) X – Resistant rock/hard rocks/sill

Y – Plunge pool

Z – Rock boulders

(3 x 1 = 3 mks)

  1. b) i) – River capture occurs where there are two adjacent rivers

(4 x 1 = 4 mks)

 

  1. ii) Evidences of river capture

(3 x 1 = 3 mks)

  1. c) i) – Formulate hypothesis/objectives

(3 x 1 = 3 mks)

  1. ii) –     It enables students to collect first-hand information

(2 x 1 = 3 mks)

 

  1. a) How lake Victoria was formed

(5 x 1 = 5 mks)

  1. b) Reasons why some lakes in rift valley are fresh

(5 x 1 = 5 mks)

  1. c) Economic uses of lakes

(Any 5 x 1 = 5 mks)

  1. a)

 

(2 mks)

 

  1. b) 69251 million                                                                               (2 mks)

 

  1. c)

= Ksh 7,787.6 million                                       (2 mks)

 

  1. d) i) – Shaft mining/underground mining

(3 x 1 = 3 mks)

  1. ii) –     Gold is exported to other countries to earn foreign exchange

(Any 3 x 2 = 6  mks)

  1. a) i) Identify the feature

Mushroom block rock                                                               (2 mks)

 

  1. ii) Explain the formation of the feature

(5 mks)

iii)  Two main deserts where feature is common

(2 x 1 = 2 mks)

  1. b) i)    Type of sand dunes identified

(3 x 1 = 3 mks)

  1. ii) Problems students would have come across

(3 x 1 = 3 mks)

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