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    Form 1 Geography Exams and Marking Schemes Free

    By Maverick JohnMay 31, 2025No Comments9 Mins Read

    Form 1 Geography Exams and Marking Schemes Free

     

    NAME: ………………………………………..ADM NO: …………………………………

     

    DATE………………………………………..… CLASS……………………………………

    GEOGRAPHY

    FORM ONE

    TERM 3

    YEAR

    TIME: 2 HOURS

     

    JOINT EXAMINATION

    INSTRUCTIONS

    1. Write your Name and admission number in the spaces provided above.
    2. Answer all the questions in the spaces provided.
    3. Candidates should answer the questions in English
    4. This paper consists of 8 printed pages

                             FOR EXAMINER’S USE ONLY

    SECTION QUESTIONS       MAXIMUM CANDIDATE

              SCORE

     

    A

                1-5             25  
     B  

    6

                25  
       

    7

    25  
                      8

     

                 25  
       

     

    ANSWER ALL THE QUESTIONS

    SECTION A

    1. The diagram below shows the structure of the atmosphere. Use it to answer question (a)

     

                                               THERMOSPHERE

    500                                                                                                                                        500

     

     

    80                                                                                                                              80

     

                             MESOSPHERE

     

     

    50                                                                                                                              50

     

     P

    p

                         TROPOSPHERE

    EARTH

    8-18                                                                                                                                   8-18

     

     

     

    1. i) Name the part labelled P (1 mk)

     

    …………………………………………………………………………………………………………………………………………………………………………

    ii)State two characteristics of the part marked P(2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………….

    1. List two processes by which the solar radiation is lost in the atmosphere

    (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

     

     

    1. a) Define the solar system (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    1. b) Differentiate between rotation and revolution of the earth (2mks)

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    1. a)Define the term environment (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    b)Give four reasons why it is important to study Geography  (4 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    1. a) Name the two major branches of geography (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………

    b)Name two theories that attempt to explain the origin of the earth and the solar system (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………

    1. c) State three characteristics of the sun (3 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

     

    1. State three proofs that explain the spherical shape of the earth (3 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    SECTION B ANSWER ALL THE QUESTIONS

    1. Study the climatic data in the table below and answer the questions
    months J F M A M J J A S O N D
    Temp 0 C

     

    29.9 23.9 23.3 21.7 18.8 17.8 16.8 17.2 18.9 20.1 21.7 22.3
    Rainfall

    in mm

    109.2 121.9 129.9 76.2 50.8 33 27.9 38.1 71.1 109.2 121.9 119.4

     

    1. Draw a simple bar graph to represent the rainfall data. Use a vertical scale of 1 cm rep 10 mm.  (6 mks)
    2. Calculate the annual temperature range for the station (2 mks)

     

     

     

     

     

    1. With the aid of a well labelled diagram, describe the formation of relief rainfall

    (6 mks)

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    1. Name any four types of fog (4 mks)

     

    …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    1. Your class conducted a field study on a weather station
    • State four preparations you made for the study (4 mks)

     

    ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    ii)Give three problems you encountered during the field study   (3 mks)

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

    1. a) Differentiate between minerals and rocks (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    1. b) Describe the following characteristics of minerals
    2. i) colour (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………

    ii)cleavage  (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………

     

     

     

     

    iii)hardness  (2 mks)

    ………………………………………………………………………………………………………………………………………………………………………………………………

    1. c) Name the three classifications of rocks according to their origin and mode of formation. (3 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    1. d) Give three examples of plutonic rocks (3 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    1. e) i) You are required to carry out a field study of rocks within the vicinity of your school.
    2. a) State how you would use the following items during the field study
    3. i) Geological hammer (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………

    ii)Polythene bags   (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………

    iii) Route map    (2 mks)

     

    ………………………………………………………………………………………………………………………………………………………………………………………………

    1. b) List three methods you would use to record the information gathered during the study (3 mks)

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    c)Ways in which rocks contribute to the economy of Kenya   (2 mks)

     

    ……………………………………………………………………………………………………………………………………………………………………………………………..

     

     

    1. a) Name three types of maps (3 mks)

     

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    b)Mention four types of marginal information   (4 mks)

    ………………………………………………………………………………………………

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    c)Convert the following representative fraction into statement scale

    1:50,000           (2 mks)

     

     

     

     

     

     

     

     

     

     

     

    d)Give three uses of scales   (3 mks)

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

    e)i)What are the main factors influencing mining  (4 mks)

    ………………………………………………………………………………………………

    ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

     

     

    ii)Explain three problems facing exploitation of soda ash in Kenya   (6 mks)

     

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ……………………………………………………………………………………….

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

    ………………………………………………………………………………………

     

    iii)Give three economic contributions of gold and diamonds to the economy of the

    Republic of South Africa   (3 mks)

     

    ………………………………………………………………………………………

    ……………………………………………………………………………………..

    ……………………………………………………………………………………

    ________________________________________________________________________________________________

    MARKING SCHEME FORM ONE GEOGRAPHY Term 3

    1. a) i) P – Stratosphere

    ii)Characteristics of zone P

    • falls above troposphere
    • contains very little water vapour/dust
    • has a negative lapse rate
    • contains the ozone gas
    • pressure decreases with increase in altitude

     

    b)Processes by which solar radiation is lost in the atmosphere

    • Reflection mainly by clouds
    • Absorption mainly by gases and water vapour
    • Scattering mainly by aerosols

     

    1. a) Solar system is made up of the sun with the planets orbiting around it, and other heavenly bodies

    b)Rotation is the movement of the earth on its own axis once in 24 hours in an anticlockwise direction, while revolution is the movement of the earth round the sun on its own orbit in 365  days 366

     

    1. a) Involves all the external conditions surrounding a living organism and influences it behaviour.

    b)One will be able to learn and explain the origin of the earth, solar system and internal structure of the earth.

    – Helps learners to develop the skills of observation, reading, analyzing and interpreting maps, photographs etc

    – Creates awareness in the significance of management and conservation

    – It is a career subject e.g teaching, surveying and photogrammentry

    -One acquires basic skills and knowledge which contribute to local, regional and national development

     

    1. a) Physical geography

    Human geography

    b)Nebula cloud theory

    Passing star theory

    c)Produces its own light

    – largest member of the solary system

    -Radiates solar energy to the earth

    -Rotates on its axis in an anti-clockwise direction

     

    1. Circum-navigation

    Satellite photographs

    Ship’s visibility

    Shape of other planets

    Eclipse of the moon

    Earth’s curved horizon

    Sunset and sunrise

    1. a) Bar graph
    2. title – 2 mks
    3. archs – 2 mks
    • highest bar – 1 mk
    1. lowest bar – 1 mk
    2. correct use of scale – 1 mk
    3. labelling the axis – 1 mk
    4. b) Annual temp range for the station

    29.90C – 16.80C = 13.10C     (2 mks)

     

    1. c) Formation of relief rainfall
    • Moist air is forced to rise over a hill/mountain
    • The temperature and air pressure decreases making it to expand
    • Air cools due to decreased temperature and decreased pressure causing it to expand
    • Moisture condenses forming tiny water droplets
    • The tiny water droplets in clouds merge and become too heavy to be suspended in air and fall as rain
    • Air proceeds to the leeward side with low moisture content
    • Since its heavier due to being cool it descends over that side and gets warmed making it to hold onto the little moisture it had causing that side to receive low rainfall

     

     

    1. d) Radiation Hill steam (4 mks)

    -Advection Frontal

    -Frontal

    -Hill

    -Steam

    – Radiation

    1. e) i)Preparations
    • Stating objectives and formulating hypothesis
    • Selecting suitable method and data collection and recording
    • Making a reconnaissance/pre-visit
    • Draw a route map
    • Conducting literature review
    • Organizing the class into groups
    • Holding class discussion
    • Gathering the necessary materials
    • Seeking permission from relevant authorities

    iii)Rainy/hot/cold

    • Un co-operative respondents
    • Attack by insects
    • One may fall sick

     

    1. a) Minerals are naturally occurring organic or inorganic substance with definite chemical composition and physical properties on or below the earth surface.

    Rocks are combination of mineral particles cemented together to make the solid part of earth’s crust

    b)Colour – different minerals show different specific colours

    Cleavage – minerals break into patterns/shapes

    Hardness – minerals have different degrees of hardness

    Hardest – industrial diamonds

    Softest – Talc

     

    c)Classifications of rocks – igneous rocks

    -Sedimentary rocks

    -Metamorphic rocks

     

    d)Examples of plutonic rocks

    • granite
    • peridodite
    • diorite
    • gabbro

    e)i)Geological hammer

    • Hitting to break rocks into portable pieces
    • Hitting to determine its hardness

    Polythene bags

    • For carrying/storing rock samples to school for further analysis

    Route map – As a guide to locate various types of rocks

    1. b) Data recording methods
    • Taking photographs
    • Taking notes
    • Drawing sketches
    • Tape recording

     

    c)How rocks contribute to the economy of Kenya

    • Rocks weather to form soil for agriculture
    • Rocks weather to form features that creates scenery that attract tourism(foreign exchange)
    • Some rocks are source of gemstones for ornamental value
    • Some rocks are used to make fertilizers important for agriculture
    1. a) Types of maps – Atlas maps

    -Sketch maps

    – Topographical maps

     

    1. b) Marginal information
    • Name of the map
    • Sheet title
    • Grid system numbers
    • Map series, sheet number, index and edition
    • Latitudes and longitudes

    c)Convert 1:50,000

    1 cm rep 50,000 cm

    50,000 cm  =0.50,000

    100,000

    • cm rep 0.5 km

     

    d)Uses of scales

    1. Measure distances on maps
    2. Calculate areas on maps
    3. Helps in estimating areas
    4. Helps in reduction and enlargement of map areas

     

    e)i)The value of minerals

    • The size of the mineral deposit
    • The quality of ore
    • The mining method
    • Technology
    • Capital
    • Market
    • Transport

     

    1. ii) Problems facing exploitation of soda-ash in Kenya
    • Stiff competition from developed countries
    • The low value of salt
    • High labour cost

    iii) Economic contributions of gold and diamonds to the economy of South Africa

    • Earns the country foreign exchange
    • Offers employments
    • Led to urbanization
    • Formed a broad-based market for other industrial operations
    • Led to development of modern infrastructure and amenities

     

     

    Maverick John

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