JAMB UTME - Geography - 2021

What is the process of lowering and levelling of the earth surface by gradual breaking and wearing away of such earth's surfaces.

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In a combined maximum and minimum thermometer, the difference between the hottest and coldest daily temperature for that day gives the

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The difference between the hottest and coldest daily temperature for a particular day is called the diurnal range of temperature. A combined maximum and minimum thermometer records both the highest and lowest temperatures that occur during a given period, typically a day. The highest temperature recorded is the maximum daily temperature, and the lowest temperature recorded is the minimum daily temperature. The diurnal range of temperature is the difference between these two values, indicating how much the temperature fluctuated over the course of the day. For example, if the highest temperature recorded was 30 degrees Celsius and the lowest temperature recorded was 15 degrees Celsius, then the diurnal range of temperature for that day would be 15 degrees Celsius.

Which of the following is associated with savanna vegetation

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Which statement is not true of the middle belt in Nigeria?

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Which of the following is not a graphical representation of statistical data?

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Which of the following towns is not a precolonial town

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Enugu is not a precolonial town. Precolonial refers to the time period before the colonization of a particular area or region by European powers. In Nigeria, many towns and cities existed before the arrival of the Europeans, and these are referred to as precolonial towns. Ilorin, Bida, and Ibadan are all precolonial towns in Nigeria. They existed as independent kingdoms and city-states with their own unique cultures, traditions, and forms of governance long before the arrival of the Europeans. Enugu, on the other hand, was not a precolonial town. The town was founded in the early 20th century by the British colonial authorities as a coal mining settlement. While there were some settlements and villages in the area before the arrival of the British, Enugu did not exist as a town or city with a defined political and social structure until it was established by the colonial authorities.

The benefits of international trade to developing nations include the following except

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The option that does not apply to the benefits of international trade to developing nations among those provided is "strains international trade relation". International trade has numerous benefits for developing nations, which include the following: 1. Encourages specialization in production: International trade allows developing nations to focus on producing goods and services that they have a comparative advantage in, such as natural resources or low-cost labor. This specialization leads to increased efficiency and productivity, which can result in higher economic growth and development. 2. Encourages healthy competition: International trade encourages healthy competition between nations, which drives innovation and technological advancements. Developing nations can learn from more developed nations and adopt best practices to improve their own production processes. 3. Enables nations to move from subsistence to mechanized economy: International trade provides access to capital, technology, and expertise that can help developing nations to modernize their economy and move away from subsistence farming or other traditional practices. Therefore, the correct option is that international trade does not strain international trade relations, but rather it can promote cooperation and collaboration between nations, leading to increased economic growth and development.

On maps, lines drawn to join all places in the ocean having equal degree of salinity are called

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On maps, lines drawn to join all places in the ocean having equal degree of salinity are called isohalines. Isohalines are similar to contour lines on topographic maps that join all points of equal elevation. However, instead of elevation, isohalines connect all points on a map that have the same salinity in the ocean. Ocean salinity is a measure of the amount of salt dissolved in a given amount of seawater. The salinity of ocean water varies depending on several factors, such as temperature, evaporation, and precipitation. By drawing isohalines on maps, scientists can visualize the patterns of salinity distribution in the ocean and study how it changes over time. The term "isohaline" comes from the Greek word "iso" meaning equal and "haline" meaning salt, so it literally means "equal salt."

Which of the following zones is the least industrialized in Nigeria?

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Use the map below to answer this question above
 

What is the feature labelled K on the map is

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The soil gains nitrogen through one of the following except

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The following are responsible for the concentration of industries in eastern United States of America except

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The option that is not responsible for the concentration of industries in eastern United States of America is "inadequate capital". The concentration of industries in eastern United States is due to the availability of two important factors: a large market and abundant natural resources. The eastern region of the US has a large population that provides a ready market for industrial products. Additionally, the region has numerous natural resources such as coal, iron ore, and waterways that are necessary for industrial production. High technology can also contribute to the concentration of industries in eastern United States as it attracts skilled labor and supports innovation. However, it is not the primary factor responsible for the concentration of industries in the region. On the other hand, inadequate capital would hinder industrial growth and development. Therefore, it cannot be responsible for the concentration of industries in eastern United States.

Which of the following is a sedimentary rock.

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Shale is a sedimentary rock. Sedimentary rocks are formed from layers of sediment, such as dead plants and animals, sand, or mud, that have been compacted and cemented together over time. Shale is a fine-grained sedimentary rock that forms from the compression of clay and silt. It is usually dark in color and can be easily split into thin layers. Marble, on the other hand, is a metamorphic rock, which means it was formed from the alteration of an existing rock, often through heat, pressure, and chemical processes. It is a dense, crystalline rock that is prized for its beauty and used in construction and sculpture. Graphite is a naturally occurring form of carbon and is not a rock. Schist is a metamorphic rock that forms from the alteration of existing rocks, often through heat, pressure, and chemical processes. It is characterized by its foliated texture, with flat, sheet-like minerals that are aligned in a particular direction.

The following are the importance of highland in Nigeria except

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The importance of highlands in Nigeria does not include being a source of minerals. Highlands are elevated areas of land that are generally located at higher altitudes than the surrounding areas. In Nigeria, there are several highland areas, including the Jos Plateau and the Mambilla Plateau. These highlands have several important features and benefits. One of the key benefits of highlands is that they occupy good land that is suitable for agriculture. The higher altitudes often mean cooler temperatures, which can be beneficial for certain crops. Additionally, the soil in highland areas may be richer and more fertile, which can result in higher crop yields. Highlands can also serve as settlement sites, as they are often more defensible than lowland areas. Historically, many highland areas in Nigeria have been used as sites for forts and other defensive structures. Another important feature of highlands is that they are often the source of rivers. The high elevations allow for the accumulation of water, which can then flow downhill and form rivers and other bodies of water. These rivers can be important sources of water for irrigation, as well as for domestic and industrial use. While highlands may contain minerals, they are not typically a major source of mineral resources in Nigeria. Mineral resources in Nigeria are more commonly found in other areas, such as the Niger Delta and the Jos Plateau. In summary, highlands in Nigeria are important for their suitability for agriculture, their historical use as settlement sites, and their role as sources of rivers. While they may contain minerals, this is not typically their primary importance.

An important mineral deposit in south Africa which has attracted a large number of white settler is

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Kossou Dam is located on River

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Kossou Dam is located on the Bandama River. The Bandama River is a major river in Ivory Coast, located in West Africa. The Kossou Dam is one of the largest dams on this river, and it is an important source of hydroelectric power for the country. The dam was built in the 1960s and is located about 60 kilometers north of the city of Yamoussoukro. The Bandama River is approximately 800 kilometers long and is the longest river entirely within Ivory Coast. It is an important source of water for irrigation and other agricultural activities, and it is also an important transportation route for goods and people. The Kossou Dam was built to harness the power of the Bandama River and generate electricity for the country. The dam has a capacity of 174 megawatts and is able to supply power to much of the country. In addition to generating electricity, the dam also helps to control flooding in the area and provides water for irrigation and other purposes. In summary, the Kossou Dam is located on the Bandama River in Ivory Coast. The Bandama River is an important source of water for irrigation and transportation, and the dam is an important source of hydroelectric power for the country.

The dam which is not used in the gezira is the

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None of the options provided, including A swan, are a dam in the Gezira region of Sudan. However, among the major dams in Sudan, the one that is not located in Gezira is the Jebel Azulia Dam. This dam is located on the Blue Nile in the Northern state of Sudan, about 25 kilometers north of the capital city of Khartoum. The Gezira region of Sudan is known for its large irrigation scheme, which utilizes water from the Blue Nile to cultivate various crops. The region has two major dams that are used for irrigation, namely the Sennar and Roseires dams. Therefore, if the question specifically refers to dams in the Gezira region, the answer would be either Sennar or Roseires.

If the scale of two maps are (a;1:100,000 and b;1:400,000) what is the ground distance if the distance between two towns on the maps is 10cm

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To determine the ground distance between the two towns on the map, we need to use the scale of the map. The scale tells us how many units of distance on the map (in this case, centimeters) correspond to one unit of ground distance (in this case, kilometers). For map a with a scale of 1:100,000, 1 centimeter on the map represents 100,000 centimeters or 1 kilometer on the ground. Therefore, 10 centimeters on the map represents 10 x 1 kilometer = 10 kilometers on the ground. For map b with a scale of 1:400,000, 1 centimeter on the map represents 400,000 centimeters or 4 kilometers on the ground. Therefore, 10 centimeters on the map represents 10 x 4 kilometers = 40 kilometers on the ground. So the correct answer is 10km, 40km.

Which of the following is not a sea route?

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The option "London - Moscow - Baghdad" is not a sea route. This is a land route as it does not involve any sea transportation. The other three options are sea routes as they involve transportation by sea between the cities mentioned.

Where the salinity of an ocean is high;

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When the salinity of an ocean is high, the ocean water becomes more dense. This dense water tends to sink towards the bottom of the ocean and flow along the ocean floor towards areas where the salinity is lower. So, the correct answer is: the ocean water is dense and creeps at the bottom of the ocean towards low salinity areas.

An example of a coastline of emergence is

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An example of a coastline of emergence is a raised beach. A coastline of emergence refers to a type of coastline that is formed when the land is rising relative to the sea level. This can be caused by tectonic activity or changes in the level of the land due to the melting of glaciers. When the land rises, the sea level falls, which exposes the previously submerged shoreline. This results in the formation of a raised beach, which is a distinctive feature of a coastline of emergence. A raised beach is a beach that is located above the current sea level, and it is typically characterized by a flat or gently sloping surface. Other features of a coastline of emergence may include sea cliffs, wave-cut platforms, and marine terraces. These features are formed by the erosion of the land by the sea when it was at a higher level, followed by the uplift of the land. An example of a coastline of emergence can be found along the coast of Norway. The Norwegian coastline has experienced significant uplift due to tectonic activity, which has resulted in the formation of raised beaches, sea cliffs, and marine terraces. In summary, a coastline of emergence is a type of coastline that is formed when the land rises relative to the sea level. One of the distinctive features of this type of coastline is a raised beach, which is a beach that is located above the current sea level. An example of a coastline of emergence can be found along the coast of Norway.

One of the features of wind deposition is

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The best solution to the rapid depletion of forest resources in West Africa is to

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The best solution to the rapid depletion of forest resources in West Africa is to introduce forest conservation techniques. This approach involves implementing sustainable practices that protect the natural environment and enable communities to benefit from the forest resources without damaging them. It includes measures such as reducing deforestation, promoting reforestation, and enforcing laws against illegal logging and other harmful activities. Reserving hectares of land for plantations may not be a sustainable solution, as it can lead to monoculture and may not provide the same benefits as natural forests. Importing wood from other countries may exacerbate the problem, as it encourages overconsumption and does not address the underlying issues of deforestation. Employing more forest guards can help deter illegal activities, but it may not be enough without also implementing conservation techniques. Therefore, implementing forest conservation techniques is the best solution as it promotes the sustainable use of forest resources while protecting the natural environment and supporting local communities.

The following are seaports used in the North Atlantic sea route except

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_______ is defined as the total surrounding or medium of any organism in a given area

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The term that is defined as the total surrounding or medium of any organism in a given area is "environment". Environment refers to the sum total of all biotic and abiotic factors that affect an organism in a given area. Biotic components refer to all living organisms in an ecosystem, including plants, animals, fungi, and bacteria. Abiotic components, on the other hand, refer to all non-living factors, such as water, air, sunlight, temperature, soil, and minerals, that affect living organisms. An ecosystem is a community of living organisms, along with their non-living environment, that interact with each other. Therefore, an ecosystem is made up of both biotic and abiotic components, and it is a specific unit of the environment that can be studied as a distinct entity.

Which of the following is a problem of landlocked countries

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Exports from Mali are most likely to pass through the Sea port at

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The system of agriculture referred to as "Land rotation" is

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Which of the following is a way of controlling soil erosion

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Contour ploughing is a way of controlling soil erosion. Soil erosion is the process of the removal of topsoil by agents such as wind or water. When the topsoil is removed, it leads to the loss of important nutrients and organic matter that are necessary for plant growth. Soil erosion also leads to the degradation of the soil structure, making it difficult for plants to grow. Contour ploughing involves ploughing furrows along the contours of a slope rather than up and down. This helps to slow down the runoff of water and reduce soil erosion. By ploughing along the contour, the furrows act as a barrier that traps water and allows it to soak into the soil. This helps to improve the water-holding capacity of the soil, which is essential for plant growth. In summary, contour ploughing is an effective way of controlling soil erosion because it helps to slow down the runoff of water and reduce soil loss.

One of the following surveying instruments is used to set out lines at right angles to the main chain line

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The surveying instrument used to set out lines at right angles to the main chain line is an optical square. An optical square is a simple, yet precise surveying instrument that consists of two mirrors that are set at exactly 90 degrees to each other. It is used to establish perpendicular lines or right angles to the main chain line during the surveying process. The instrument is set up by placing it on the ground with one mirror facing down the main chain line and the other mirror facing at right angles to the main chain line. To use the optical square, a surveyor would first set up the main chain line using a steel band or another measuring instrument. Once the main chain line has been established, the optical square is set up and aligned with the main chain line. The mirror facing down the main chain line reflects the view of the surveyor along the line, while the other mirror reflects the view at right angles to the main chain line. This allows the surveyor to set out lines at right angles to the main chain line with a high degree of accuracy. In summary, the optical square is a surveying instrument used to set out lines at right angles to the main chain line by reflecting views along the main chain line and at right angles to it.

One of the disadvantages of water transport is that it

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Cement factory is usually located near

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Cement factories are usually located near sources of raw materials. Raw materials such as limestone, clay, shale, and other minerals are used to produce cement. These materials are usually found in abundance in certain geological formations or deposits. Transporting these raw materials over long distances can be costly and time-consuming, so it makes sense for cement factories to be located as close as possible to the sources of these materials. This helps to keep production costs low and ensures a steady supply of raw materials for the factory. Additionally, being close to the raw materials can also help to reduce the environmental impact of the factory. If the raw materials have to be transported over long distances, this can lead to increased emissions from transportation vehicles, which can contribute to air pollution and climate change. Therefore, to ensure the efficient and sustainable production of cement, it is common for cement factories to be located near sources of raw materials.

The coastal regions of Sierra leonne record an annual rainfall of over

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The coastal regions of Sierra Leone record an annual rainfall of over 4,000 mm. Sierra Leone is a country located in West Africa, and its climate is generally tropical, with high temperatures and high humidity. The amount of rainfall that a place receives is determined by a number of factors, including its location and topography. The coastal regions of Sierra Leone are characterized by a dense forest and a humid climate, which is influenced by the Atlantic Ocean. The prevailing winds from the ocean bring moisture and result in high levels of rainfall. This region receives an annual rainfall of over 4,000 mm, which is one of the highest levels of rainfall in the world. The high rainfall is beneficial for agriculture, as it provides the necessary moisture for crops to grow. However, it can also result in flooding and landslides, which can be hazardous for the people living in the region. In summary, the coastal regions of Sierra Leone receive an annual rainfall of over 4,000 mm, which is a result of the region's location and its proximity to the Atlantic Ocean.

The tourist centre of Ogbunike care is located near

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The correct answer is "Onitsha in Anambra state." Ogbunike Cave is a popular tourist destination in Nigeria, known for its beautiful natural caves and rock formations. It is located in Ogbunike, a small town in Anambra state, in the southeastern part of the country. Onitsha, which is one of the largest cities in Anambra state, is located just a few kilometers from Ogbunike and is the closest major city to the Ogbunike Cave tourist center. The town of Ogbunike can be accessed via the Onitsha-Owerri expressway, and the cave is only a short distance from the town center. Therefore, the correct answer is "Onitsha in Anambra state" since it is the nearest major city to the tourist center of Ogbunike Cave.

_______ is the condition of the lower atmosphere of a place over a short period

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The condition of the lower atmosphere of a place over a short period is called weather. Weather describes the day-to-day atmospheric conditions, such as temperature, precipitation, wind, and humidity that occur in a specific location at a particular time. It can change rapidly and varies from place to place, even within the same region. In contrast, climate refers to the long-term average weather conditions of a region, including factors such as temperature, precipitation, and atmospheric pressure, over a period of many years.

Which of the following is not caused by the earth's rotation?

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Seasonal changes are not caused by the earth's rotation. The earth's rotation is responsible for causing day and night, as the rotation of the earth on its axis causes the sun to appear to rise and set each day. It is also responsible for the deflection of winds and ocean currents. Seasonal changes, on the other hand, are caused by the tilt of the earth's axis as it revolves around the sun. The earth's axis is tilted at an angle of approximately 23.5 degrees, which causes different parts of the earth to receive different amounts of solar radiation as the earth orbits the sun. This results in the changes in temperature and weather patterns that we experience as the seasons. In summary, seasonal changes are not caused by the earth's rotation, but rather by the earth's tilt as it orbits the sun. The earth's rotation, however, does cause day and night and the deflection of winds and ocean currents.

The correct arrangement of the layers of the earth crust from the surface to the interior is

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The correct arrangement of the layers of the earth's crust from the surface to the interior is "sial, sima, mantle, and core." The outermost layer of the earth is called the crust, which is divided into two types: the continental crust and the oceanic crust. The continental crust is made up of a type of rock called "sial," which stands for "silicon" and "aluminum." This layer is relatively thicker and less dense than the oceanic crust. The oceanic crust, on the other hand, is made up of a type of rock called "sima," which stands for "silicon" and "magnesium." This layer is relatively thinner and denser than the continental crust. Beneath the crust is the mantle, which is made up of solid, dense rock. The mantle is the thickest layer of the earth and is responsible for convection currents that drive plate tectonics. The temperature and pressure in the mantle increase with depth. Finally, the core of the earth is located at the center of the planet and is made up of two parts: the outer core and the inner core. The outer core is made up of liquid iron and nickel, while the inner core is made up of solid iron and nickel. The core is the hottest and densest part of the planet, and it is responsible for generating the earth's magnetic field. In summary, the correct arrangement of the layers of the earth's crust from the surface to the interior is sial, sima, mantle, and core.

Geo-referencing in GIS is referred to as

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Geo-referencing in GIS is the process of assigning spatial locations (coordinates) to a dataset, such as an image, map, or survey data, so that it can be viewed, analyzed, and compared with other spatial datasets. The main objective of geo-referencing is to integrate datasets from different sources that have different coordinate systems, projections, and scales into a common reference framework. This enables users to overlay, compare, and analyze different spatial datasets accurately and effectively. Geo-referencing involves aligning the data to a known reference system, such as a map or satellite imagery, and assigning a spatial location to each data point. This process involves identifying control points, which are specific locations that appear in both the data and the reference system, and using them to determine the transformation that is needed to align the data with the reference system. Once the data has been geo-referenced, it can be used for data acquisition, data management, manipulation, and analysis in GIS. Geo-referenced datasets can be used for a wide range of applications, including natural resource management, urban planning, environmental monitoring, and disaster management.

The human activity that can improve composition of the atmosphere is

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The state in Nigeria with the highest population density is

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