2022 NABTEB Geography Practical Answers [8th July]
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NABTEB MAY/JUNE 2022 FREE GEOGRAPHY PRACTICAL QUESTION AND ANSWER ROOM [NBC/NTC]

Friday 8th July, 2022
Geography (Pract. & Phy. Geo.)
3:00pm - 5:00pm

2022 NABTEB GEOGRAPHY PRACTICAL ANSWERS:

(1a)
(i) The relief of the map responsible for more footpath than road on the map.
(ii) Due to availability of rivers on the map.
(iii) Due to swamp.

(1b) 
(i) Agriculture farming: The Presence of river made it easy to practice this in the south west of the map.
(ii) Dairy Farming: The Presence of river, grass etc on the map make it easy to raise or produce livestock, that is cows or goats for the harvesting of their milk
(iii) Subsistence Agriculture(farming): The south west of the map also accommodate farmers to grow food crops to feed themselves and their family 
(iv) Poultry farming is also visible in the south west of the map.
(v) Extensive(mechanized)farming: This is also likely to be practical in the south west of the map which involves the cultivation of crops on a very many acres land for commercial purposes.

(1c)
(i) Linear settlement.
(ii) Mining(Town) settlement.
(iii) Compact settlement.
(iv) Dispersed settlement.

(1d)
The drainage pattern on the map dendritic in which it is usually found in area of relatively homogenous rock where there is the same degree of resistance to erosion. The insequent streams normally join the parent river called consequent at an oblique angle River kumini

(1e)
The gradient in the southeast of the map are of the same due to presence of SORE HILL and LECHEICE HILL

(1f)
Presence of minor roads made it possible to have WURO-JAURO, GADA, JAURO-MAJO and JAURO-BOSESOTE on the same lines to form linear settlement
  Presence of APOWA SHANGEL HILL and JUMAKA HILLS in the northern part of the map made it possible to have dispersed settlement.
  Also, presence of SOR HILL in the southeas of the map create dispersed settlement

(1g)
The relief pattern in the southwest aprt of the map is FLOOD PLAIN in which lowland is found in the lower course of the view JABONVERA and RIVER KUNINI. It is good for swamp rice cultivation.

(1hi) 
Machite is not visible from JEGANG DOMBI.

(1hii) Reasons: 
(i) Because of the presence of JUMAKA HILL that prevents its visibility
(ii) Another reason for it, is the presence of trigonometrical station of about ML754 D 1507 height in fact.
(iii) Absence of direct footpaths
(iv) Presence of KUMANTAN HILL also prevents the visibilty of the two towns.


(3a)
(i) INTRUSIVE IGNEOUS ROCK: These are rocks formed when the molten magma cools and solidifies slowly before it gets to the surface of the earth to form large crystals. As a result of prolonged erosion, the rocks will later be exposed to the surface.  Examples of intrusive igneous rocks are Granite, Gabbro, and Diorite.

(ii) EXTRUSIVE IGNEOUS ROCKS: These rocks are formed when the molten magma cools and solidifies rapidly on getting to the surface of the earth to form small crystals. Examples of extrusive igneous rock is basalt.

(3b)
(i) They are formed by cooling and solidification of molten rocks called magma.
(ii) They are both ejected from beneath the earth's crust.
(iii) They come in contact with lower temperature, hence it solidifies to form igneous rocks. 

(3c)
(i) These rocks are crystalline in nature.
(ii) They are non-stratified rocks, that is they do not occur in layer.
(iii) They are resistant to erosion and are usually hard and impervious.
(iv) They do not contain fossils.

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(4a)
Weathering is defined as the gradual breaking down or disintegration of rocks by either physical (mechanical) or chemical process into smaller fragments.

(4b)
(i) PHYSICAL OR MECHANICAL WEATHERING: This is the physical breakdown of rocks into smaller and smaller pieces. Agents of physical weathering includes; temperature changes, alternate wtting and drying, frost action, action of plants and animals.

(ii) CHEMICAL WEATHERING: Chemical weathering is the gradual disintegration of rocks due to their exposure to air and water. The chemical transformations occur when water and oxygen interacts with minerals within the rocks to create different chemical reactions and compounds through processes such as hydrolysis and oxidation. As a result, in the process of new material formations, pores and fissures are created in the rocks thus enhancing the disintegration forces. The process or agents involved in chemical weathering includes: solution, oxidation, carbonation, hydration, hydrolysis. 

(4c)
(i) Granite - Gneiss
(ii) Coal - Graphite
(iii) Limestone - Marble
(iv) Sandstone - Quartzite
(v) Clay - Slate

(4d)
[CHOOSE ANY TWO]
(i) Marble is used for floor tiles.
(ii) Graphite is used in making lead pencils.
(iii) Gneiss helps in construction purposes.
(iv) Kaolin is used both as filler or the main body compositions of white ceramics production
(v) Emerald is used in the jewelry trade.

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(5a)
[PICK ANY FOUR]

(i) HARDWARE; Hardware is the computer on which a GIS operates. Today, GIS runs on a wide range of hardware types, from centralized computer servers to desktop computers used in stand-alone or networked configurations.

(ii) SOFTWARE: GIS software provides the functions and tools needed to store, analyze and display geographic information. Eg database management system, Graphical User Interface (GUI).

(iii) DATA: This can be primary or secondary depending on its raw facts collected for sake of studying. They are processed in the GIS environment for proper information.

(iv) PEOPLE: GIS technology is of limited value without the people who manage the system and to develop plans for applying it. GIS users range from technical specialists who design and maintain the system to those who use it to help them do their everyday work.

(v) METHODS: A successful GIS operates according to a well designed plan and business rules, which are the models and operating practices unique to each organization.

(5b)
(i) DATA STORAGE AND RETRIEVAL SUBSYSTEM: A data storage and retrieval subsystem helps in organizing data in a manner that allows storage, retrieval, updating and editing. This component usually involves use of a database management system (DBMS) for maintaining attribute data.

(ii) DATA MANIPULATION & ANALYSIS SUBSYSTEM: It helps to examine characteristics of data and model building capabilities (classification, modeling functions). This subsystem is commonly thought the heart of GIS, and usually distinguish it from other database and information systems and computer aided drafting (CAD) system.

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