JAMB UTME - Geography - 2019

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A non-renewable resource is a resource that cannot be easily replenished or regenerated. An example of a non-renewable resource is mineral, such as coal, oil, and natural gas. These resources are formed over millions of years and are finite, meaning they will eventually run out. Unlike renewable resources, like wind and solar power, which can be replenished, non-renewable resources are being consumed faster than they can be replaced. This is why it's important to use these resources wisely and find alternative energy sources to preserve them for future generations.

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Maelezo ya Majibu

The pair of cities that have both a seaport and an international airport are Lagos and San Francisco. Lagos is the largest city in Nigeria, located on the coast of the Atlantic Ocean, and it is home to the Lagos Port Complex, which is one of the largest and busiest ports in Africa. Lagos is also served by the Murtala Muhammed International Airport, which is the main airport in Nigeria and serves as a hub for many airlines. San Francisco is a city in California, United States, located on the coast of the Pacific Ocean. The city is served by the Port of San Francisco, which is the fourth largest port in California and handles a variety of cargo, including containers, automobiles, and dry bulk. San Francisco is also served by the San Francisco International Airport, which is one of the busiest airports in the United States and a major gateway to Asia and the Pacific. Kampala and Mombasa, Rio de Janeiro and Johannesburg, and New York and Warri do not have both a seaport and an international airport. Kampala is the capital city of Uganda, located inland and does not have a seaport. Mombasa is a port city in Kenya located on the coast, but its airport, Moi International Airport, serves only domestic and regional flights. Rio de Janeiro is a coastal city in Brazil, known for its beautiful beaches and famous landmarks. The city has a seaport, the Port of Rio de Janeiro, which is one of the busiest ports in Brazil, but its airport, the Rio de Janeiro/Galeão International Airport, serves mainly domestic and regional flights. Johannesburg is the largest city in South Africa and a major economic hub on the African continent, but it is not located on the coast and does not have a seaport. The city is served by the O.R. Tambo International Airport, which is the busiest airport in Africa and a major hub for international flights. New York is a major city on the East Coast of the United States, located on the Atlantic Ocean, and is home to the Port of New York and New Jersey, one of the largest ports in the world. However, its main airport, the John F. Kennedy International Airport, is an international airport that serves numerous destinations worldwide, but it does not have a seaport nearby. Warri is a city in Nigeria, located in the Niger Delta region, and is home to the Warri Port, which is one of the major ports in Nigeria. However, its airport, the Osubi Airstrip, is a small airport that serves only domestic flights.

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The Stevenson's screen is a box used to house weather instruments that measure temperature, humidity, and other meteorological variables. It is raised about one meter above the ground to avoid the heat from the ground. When the screen is placed on the ground, it can absorb and radiate heat from the ground, which can affect the accuracy of temperature measurements. By raising it one meter above the ground, the screen is more exposed to the free atmosphere and less affected by the heat from the ground. Additionally, raising the screen helps to reduce the impact of raindrops entering the instruments during heavy rainfall. The height also helps to avoid the effects of nearby trees and other obstacles that could affect wind flow around the instruments and affect the measurements. Therefore, the main reason for raising the Stevenson's screen one meter above the ground is to ensure that the weather instruments inside are measuring the temperature and other meteorological variables accurately and without interference from external factors.

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Maelezo ya Majibu

Warm ocean currents flow from the equator to the poles. These currents carry warm water from the equator, where the water is heated by the sun, to areas closer to the poles, where the water releases heat to the atmosphere and cools down. This movement of warm water helps regulate the Earth's climate by transferring heat from the equator to other parts of the planet.

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The rock that is formed by wood subjected to pressure and heat is called "lignite". Lignite is a type of coal that is considered the lowest rank of coal due to its relatively low heat content and carbon content. Lignite is formed from partially decomposed plant material that has been subjected to increasing amounts of pressure and heat over time. As the plant material becomes buried and compressed, it eventually transforms into lignite through a process called coalification. Therefore, lignite is a sedimentary rock that is formed from the compressed and heated remains of plants, including wood. It is typically brownish-black in color and has a relatively low density compared to other types of coal.

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The main catalyst in the economic development of Japan was a combination of factors, including a large pool of skilled manpower, favorable geographic location with extensive coastlines conductive to shipping, and abundant mineral deposits that allowed for the growth of various industries. Additionally, the government played a crucial role in promoting economic growth through policies that encouraged investment and trade. The combination of these factors allowed Japan to rapidly develop into one of the largest and most technologically advanced economies in the world.

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To calculate the birth rate of a country, we need to divide the number of registered births by the total population of the country and then multiply by 100 to get a percentage. In this case, the number of registered births is 3,000,000, and the total population of the country is 150,000,000. So the birth rate is (3,000,000 / 150,000,000) x 100, which simplifies to 2%. Therefore, the answer is%, meaning that the birth rate of the given country is 2%.

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Maelezo ya Majibu

Maelezo ya Majibu

The desert country with high population density supported by irrigation is Egypt. Egypt is located in the northeastern part of Africa and is mostly covered by the Sahara desert. Despite the desert conditions, Egypt has a high population density due to the Nile river that runs through the country. The Nile river provides water for irrigation, which has allowed for the cultivation of crops and supported the growth of a population in what would otherwise be an uninhabitable region. The ancient Egyptians were able to take advantage of the Nile's seasonal floods and develop a complex system of canals and irrigation to grow crops. Today, modern irrigation techniques have allowed Egypt to continue to support a high population density and grow crops such as wheat, cotton, and fruits.

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The best technique to prevent soil erosion in a humid, gently sloping area is contour ridging. Contour ridging involves creating ridges that run along the contour lines of the slope, which helps to slow down the flow of water across the surface of the soil. This technique helps to trap water, reduce its speed, and allow it to penetrate into the soil. By reducing the speed of water, contour ridging also helps to reduce the amount of soil that is carried away by the water, which reduces erosion. Terrace cultivation and intercropping can also be effective techniques for reducing erosion, but they are generally better suited to steeper slopes. Wind breakers can help to reduce erosion caused by wind, but they are not as effective for preventing erosion caused by water. In summary, contour ridging is the best technique for preventing soil erosion in a humid, gently sloping area because it helps to slow down the flow of water and reduce erosion, and it is well-suited to this type of terrain.

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The standard time of a country is determined by the longitude of its location on the Earth. A time zone is a region that has the same standard time, and time zones are typically defined as an offset from the Coordinated Universal Time (UTC). In this case, the country has a standard time of GMT + 1 hour, which means it is one hour ahead of the UTC. The longitude that corresponds to this time zone is the one located 15° east of the Prime Meridian, which runs from the North Pole to the South Pole and passes through the Royal Observatory in Greenwich, London, England. So, the local time adopted by the country is 15°E.

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The igneous rock with distinct grains of mica, feldspar, and quartz is granite. Granite is a type of igneous rock that is formed by the cooling and solidification of magma or lava. It is composed of several minerals, including quartz, feldspar, and mica. These minerals give granite its characteristic speckled appearance and make it a popular choice for building and decorative purposes. Mica is a shiny mineral that appears in thin, flat sheets and gives granite its distinctive glittery look. Feldspar is a group of minerals that are very common in igneous rocks and make up the majority of granite's composition. Quartz is a hard, mineral that is often found in igneous rocks and contributes to granite's durability. In summary, if you find an igneous rock with distinct grains of mica, feldspar, and quartz, it is most likely granite.

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Maelezo ya Majibu

The prairies of North America are temperate grasslands. Temperate grasslands are areas with grass as the dominant vegetation and located in regions with moderate temperatures, not too hot or too cold. The prairies of North America are located in the central part of the continent and are characterized by their rolling hills, fertile soil, and abundant grasses. This grassland ecosystem supports a variety of wildlife, including bison, pronghorns, and coyotes, and has played a significant role in the history and culture of the United States and Canada.

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The development of climax vegetation in the savannah belt of Nigeria is mainly disturbed by bush burning. This is because frequent burning of the grassland destroys the vegetation cover, which can prevent the establishment of trees and other woody plants that are characteristic of climax vegetation. Bush burning also leads to a reduction in soil nutrients, making it difficult for plants to grow. Although activities such as lumbering, mining, and animal grazing can also contribute to the disturbance of climax vegetation, they are not the main cause. Lumbering and mining, for example, involve the removal of trees and vegetation, but these activities are typically limited in scale and do not occur as frequently as bush burning. Animal grazing can also have an impact on vegetation, but it is usually managed in a way that allows for the recovery of the grassland. Therefore, it is the frequent and uncontrolled practice of bush burning that is the primary cause of disturbance to the development of climax vegetation in the savannah belt of Nigeria.

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Among the options given, the most influential factor in the location of textile and footwear industries is abundant cheap labor. Textile and footwear industries require a large labor force to produce goods at a low cost. If a country has a large supply of labor willing to work for low wages, it can attract textile and footwear industries to set up factories in its territory. This is because labor is usually the largest cost for these industries, and a country with cheap labor can offer cost advantages to manufacturers. Raw materials are also important for these industries, but they can be imported from other countries if they are not available locally. Energy supply and low interest rates may also affect the cost of production, but they are less critical factors than the availability of cheap labor. In summary, countries with a large supply of cheap labor have an advantage in attracting textile and footwear industries because they can offer low production costs to manufacturers, making their products more competitive in the global market.

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The region with the least population density is the Eurasian Tundra. The tundra is a cold, barren landscape located in the northern hemisphere, spanning across parts of Alaska, Canada, Russia, and Scandinavia. This region is characterized by extremely harsh weather conditions, including long, cold winters and brief, cool summers. The soil is also poor in nutrients and unable to support much plant life, making it difficult for people and animals to survive. As a result, the population density in this region is very low and only a small number of people live there.

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Maelezo ya Majibu

The eucalyptus tree is native to Australia and is commonly found in the Australian woodland. Similarly, the teak tree is native to the monsoon forests in Southeast Asia. Just as the eucalyptus is a defining species of the Australian woodland, the teak is a defining species of the monsoon forest.

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The Obudu Plateau in the Cross River Basin is economically noted for several activities, including cattle ranching, tourism, tea and coffee plantations, and exploitation of forest resources. However, one of the most notable economic activities in the Obudu Plateau is cattle ranching. The plateau's cool and suitable climate makes it an ideal location for cattle farming and the rearing of other livestock. Tourism is also another important economic activity in the Obudu Plateau. The plateau is known for its beautiful landscapes, waterfalls, and other natural attractions that draw tourists from all over the world. In addition to these, the Obudu Plateau also has tea and coffee plantations, which are grown and processed for local and international consumption. The exploitation of forest resources is also an important economic activity, as the plateau is home to a rich diversity of flora and fauna. Finally, the generation of hydroelectricity is also a notable economic activity in the Obudu Plateau, as the high altitude and abundant water resources provide ample opportunities for the generation of hydroelectric power.

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Urban and rural settlements are differentiated by their function and location. Urban settlements are typically characterized by a high population density and a high level of economic and social activity. They are usually located in or near large cities and serve as centers of commerce, industry, and culture. Urban areas often have a diverse range of amenities and services, including shops, restaurants, entertainment venues, and public transportation. Rural settlements, on the other hand, are typically characterized by a lower population density and a lower level of economic and social activity. They are often located in more remote or isolated areas and serve primarily as centers of agricultural activity. Rural areas may have fewer amenities and services than urban areas, but they often offer a quieter and more natural way of life. In summary, the main differences between urban and rural settlements lie in their function and location. Urban areas are characterized by high population density and a diverse range of economic and social activity, while rural areas are characterized by lower population density and a focus on agricultural activity.

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Maelezo ya Majibu

Maelezo ya Majibu

The group of hardwoods that are suitable for railway sleepers in Nigeria is "mahogamy, obeche, and iroko". These hardwoods are known for their durability and strength, making them ideal for use as railway sleepers which need to withstand the weight of trains and the harsh outdoor environment. Mahogany is a dense and durable hardwood that is known for its strength and resistance to decay, making it a popular choice for railway sleepers. Obeche is a lightweight hardwood with good stability and strength, making it a good choice for railway sleepers that need to be lightweight yet strong. Iroko is a durable hardwood that is resistant to decay and weathering, making it an ideal choice for outdoor use, such as railway sleepers.

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Kano is a major population center in Nigeria because of its early religious and economic significance. Kano has been a center of trade and commerce for centuries, and its location along the trans-Saharan trade routes made it an important stop for merchants and traders. Additionally, Kano has a rich history of Islam, with the city serving as a center of Islamic learning and culture. These factors, combined with its large population of Hausa-speaking indigenes, have helped make Kano one of the largest and most populous cities in Nigeria.

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The pair of countries where conurbation is most highly developed is USA and England. Conurbation refers to the merging of two or more previously separate cities into a single continuous urban area. This process is most highly developed in the USA and England due to their history of urbanization and industrialization. The cities of London and New York are two of the largest conurbations in the world and serve as centers of finance, commerce, and culture. These cities have grown and expanded over time to include many surrounding suburbs, creating a vast, interconnected metropolitan area.

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Maelezo ya Majibu

The best way to prevent a watershed from degradation is through forest reservation. Watersheds are areas of land that drain into a common body of water, such as a river or a lake. Forest reservation refers to the process of setting aside and protecting areas of forest from human activities that may cause harm to the ecosystem. Forests are important in watersheds because they help regulate water flow, filter pollutants, and provide habitat for wildlife. Fuel wood extraction and crop production can cause harm to watersheds if they are not managed sustainably. Fuel wood extraction can lead to deforestation, soil erosion, and loss of biodiversity, which can in turn impact water quality and quantity. Crop production can lead to the use of fertilizers and pesticides that can runoff into the water, causing pollution. Inter-basin transfer is the process of diverting water from one basin to another. While it can be a solution to water scarcity, it can also have negative impacts on watersheds, including altering natural water flow, disrupting ecosystems, and reducing water availability downstream. In summary, forest reservation is the best way to prevent watershed degradation as it helps to maintain the natural ecosystem functions that are important for water quality and quantity.

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Maelezo ya Majibu

Maelezo ya Majibu

The highest lands in Nigeria are found on the Mambilla Plateau. The Mambilla Plateau is located in Taraba State in the eastern part of Nigeria, and it is the highest plateau in Nigeria. The plateau has an average elevation of about 1,524 meters (5,000 feet) above sea level, with some parts reaching as high as 1,830 meters (6,000 feet). The Mambilla Plateau is a popular tourist destination because of its cool climate, scenic beauty, and rich cultural heritage. The plateau is home to several ethnic groups, including the Mambilla people, who have a unique culture and traditional way of life. The plateau is also known for its rich agricultural potential and is a major producer of tea, coffee, and other crops. In summary, the Mambilla Plateau is the highest land in Nigeria, and it is located in Taraba State in the eastern part of the country. It has a high elevation and is a popular tourist destination known for its cool climate, scenic beauty, and rich cultural heritage.

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The most densely populated city which is also the capital of a country in Africa is Cairo, the capital city of Egypt. Cairo is not only the largest city in Egypt but also in the entire African continent, with a population of over 9 million people. It has a very high population density of about 48,000 people per square kilometer, making it one of the most densely populated cities in the world. Cairo is located in the northeastern part of Egypt, along the banks of the River Nile, and it has been the political and cultural center of Egypt for centuries. The city is home to several historical and cultural landmarks such as the Great Sphinx, the Pyramids of Giza, and the Egyptian Museum, which attracts millions of tourists every year. Cairo's population density can be attributed to several factors, including the city's history, economic opportunities, and population growth. The city has experienced significant population growth over the years, with people from rural areas moving to the city in search of employment opportunities and a better quality of life. Additionally, the city's location along the Nile River has also contributed to its high population density, as it has facilitated the growth of agriculture and trade in the region. Overall, Cairo's high population density is a reflection of the challenges faced by many rapidly growing cities in developing countries, including urbanization, lack of adequate infrastructure, and limited resources.

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The process by which organic matter is decomposed and synthesized to form part of the soil is known as humification. Humification is the process by which organic matter, such as dead plant material or animal waste, is broken down into simpler organic compounds by microorganisms in the soil. These simpler compounds are then combined and restructured into more complex organic molecules known as humus. Humus is a dark, organic material that is an essential component of healthy soil. It helps to retain water and nutrients, improves soil structure, and supports the growth of plants. Humification is an important part of the natural cycle of nutrient recycling in ecosystems, as it returns nutrients back to the soil for future plant growth.

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In surveying, it is best dealt with by laying offsets. This means that instead of measuring the exact distance or angle to an object that may obstruct the line of sight, the surveyor will measure to a point slightly to the side of the obstruction and then use that measurement to calculate the true distance or angle. This allows the surveyor to gather accurate information without having to physically remove the obstruction or avoid it altogether. By laying offsets, the surveyor can ensure that the survey results are accurate and reliable.

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