JAMB UTME - Geography - 2005

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Gradient is VIHEVIHE and Zafi is approximately on 925m while the bridge is 740m meaning that the VI = 185m.

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The vegetation type that is mainly confined to the Northern hemisphere is the Tundra. This is because the Tundra is characterized by cold and harsh climates, and is found at high latitudes in the Northern hemisphere, particularly in the Arctic regions. The Tundra is dominated by low-growing vegetation, such as mosses, lichens, and shrubs, and has a permafrost layer that prevents deep-rooted plants from growing. In contrast, the other vegetation types listed, such as Tropical Grassland, Equatorial Forest, and Desert, are found in various parts of the world, including both the Northern and Southern hemispheres.

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The most critical and variable element of weather in a tropical environment is rainfall. Rainfall is a measure of the amount of precipitation or water that falls from the atmosphere to the earth's surface. In tropical regions, rainfall can vary greatly from season to season, and even from day to day, making it a critical and highly variable element of weather. This is because tropical regions are characterized by a hot and humid climate, which creates ideal conditions for the formation of clouds and precipitation. In addition, rainfall is critical for sustaining agriculture and other forms of livelihood in many tropical regions, making it an important factor in the social and economic development of these areas.

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The raw material for terylene is petroleum. Terylene is a type of polyester fiber, and it is made from purified terephthalic acid (PTA) and monoethylene glycol (MEG), both of which are derived from petroleum. The PTA and MEG are first reacted together to form a polymer, which is then extruded through spinnerets to create the terylene fibers. Terylene is commonly used in clothing, textiles, and packaging materials due to its strength, durability, and wrinkle-resistant properties.

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The Volta Dam project was carried out to provide electricity and water for irrigation.

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The settlements are far apart.

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The Equatorial trough or low-pressure belt is commonly known as the "doldrums". The doldrums are characterized by calm, light winds, and unstable weather conditions due to the rising warm air that creates low pressure. It is located near the Equator and is also known as the Intertropical Convergence Zone (ITCZ). Ships in the past would often get stuck in the doldrums due to the lack of wind, which could lead to long delays in their voyages.

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The correct answer is: Cairo, Lagos, Kinshasa, and Johannesburg. These are all major cities in Africa with populations over one million people. Cairo is the capital of Egypt and has a population of over 9 million people. Lagos is the largest city in Nigeria and has a population of over 21 million people. Kinshasa is the capital of the Democratic Republic of Congo and has a population of over 14 million people. Johannesburg is the largest city in South Africa and has a population of over 5 million people.

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To calculate the annual range of temperature, we need to find the difference between the highest and lowest temperature in the year. From the given table, we can see that the highest temperature is 30oC and the lowest temperature is 24oC. Therefore, the annual range of temperature is 30oC - 24oC = 6oC. Hence, the answer is: 6oC.

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Japan is a country which experiences earthquakes frequently. Japan is located in the Pacific Ring of Fire, an area with a lot of seismic activity due to the collision of tectonic plates. Japan experiences thousands of earthquakes every year, with some of them being very strong and causing damage to buildings and infrastructure. Due to its location, Japan has developed a sophisticated earthquake warning system and building codes designed to withstand seismic activity.

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Trees in the coniferous forest are noted for their needle leaves and softwood. Coniferous forests, also known as taiga or boreal forests, are characterized by their long, cold winters and short, cool summers. The trees in these forests have adapted to these harsh conditions by growing needle-like leaves that can survive the extreme temperatures and dryness. The needles also have a waxy coating that helps prevent water loss. The trees in the coniferous forest are also known for their softwood, which is used for a variety of purposes such as construction, paper production, and furniture making.

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The set of environmental resources that are renewable is "Water, plants and soils." Water is constantly replenished through the water cycle, plants can be regrown and soils can be replenished through natural processes.

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The Nigerian rivers that take their sources from the Jos Plateau include Kaduna, Gongola and Jama'are. The Jos Plateau is a highland located in central Nigeria, which is the source of several rivers that flow across Nigeria. The Kaduna River, Gongola River and Jama'are River are among the major rivers in Nigeria that originate from the Jos Plateau.

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South-facing slopes are favourable for rural settlement locations in the cool temperate regions of the Northern hemisphere because they receive more solar energy. In these regions, the sun's rays are at a low angle during the winter, and by placing settlements on south-facing slopes, they receive more direct sunlight, which helps to keep the area warm. This is particularly important in areas where winter temperatures can be very low. Additionally, south-facing slopes often have better soil quality and drainage, making them more agriculturally productive.

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The difference in time between two longitudes is approximately 4 minutes. Longitudes are imaginary lines that run from the North Pole to the South Pole and are used to measure distances east or west of the Prime Meridian, which is located in Greenwich, England. There are 360 degrees of longitude, and the Earth rotates 360 degrees in 24 hours, so each degree of longitude corresponds to a time difference of 1/24th of a day, which is approximately 4 minutes. This means that for every degree of longitude that you travel east or west, the time will change by approximately 4 minutes.

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The Ruhr coalfield is located in Germany. The Ruhr area is one of the most heavily industrialized regions in Europe and is located in western Germany. The coalfield has played a significant role in the country's economic development and was one of the major sources of fuel for Germany's industrialization. Today, the region remains an important industrial center and is home to many companies involved in the production of steel, chemicals, and machinery.

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British foreign investments are primarily concentrated in developed countries. These are countries that have strong and stable economies, established infrastructure, and a high standard of living. The United Kingdom's foreign investments are usually directed towards these developed countries because they offer a safer investment environment with less risk and greater returns on investment. While the UK maintains strong economic ties with the Commonwealth, the EU and ECOWAS countries, its foreign investments are not exclusively concentrated in these regions.

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The most dense airline network in the world is found in Western Europe and North America. This is due to the high level of economic development, population density, and urbanization in these regions, which have led to a high demand for air travel. Additionally, these regions are home to some of the world's largest and busiest airports, which serve as major hubs for connecting flights and further increase the density of the airline network.

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The discovery and mining of coal at the foot of the Udi Hills led to the founding of Enugu.

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The correct answer is the "west coast of South Africa." Harsh desert conditions, such as extreme temperatures and low rainfall, make it difficult for human settlement and agriculture. The west coast of South Africa is dominated by the Namib Desert, which is one of the driest and hottest regions in the world. These harsh conditions have led to low population density in the area.

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The most important effect of migration on population is "redistribution". Migration refers to the movement of people from one place to another, either within the same country or across different countries. As people move from one place to another, the population in the destination area increases, while the population in the place of origin decreases. This results in the redistribution of the population, with some areas becoming more densely populated while others become less populated. The impact of migration on the population is significant because it can lead to changes in the social, economic, and political landscape of the destination area.

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Ocean currents flow in a clockwise direction in the northern hemisphere but in an anticlockwise direction in the southern hemisphere because of the rotation of the earth from east to west. The Coriolis effect is a result of the earth's rotation and causes moving air and water to be deflected to the right in the northern hemisphere and to the left in the southern hemisphere. This causes ocean currents to circulate in different directions depending on their location in the world. In the northern hemisphere, the deflection causes the currents to circulate in a clockwise direction, while in the southern hemisphere, it causes them to circulate in an anticlockwise direction.

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Urban and rural settlements are best differentiated by their population and function. Urban settlements are characterized by high population density, diverse economic activities, and a high level of infrastructure development, while rural settlements have a low population density, less diverse economic activities, and less developed infrastructure. The function of urban settlements is primarily economic and administrative, while the function of rural settlements is primarily agricultural. Therefore, a combination of population and function is the best way to differentiate between urban and rural settlements.

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Reason: Presence of mineral workings in the North-West of Chokali.

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The dominant foreign exchange earner of Senegal is groundnut. Senegal is one of the largest producers of groundnuts in Africa and the world. Groundnuts, also known as peanuts, are a major cash crop for Senegal, and their export provides a significant source of revenue for the country. The groundnuts are usually exported to other countries where they are processed into oil or other products.

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The most common greenhouse gas in the atmosphere is carbon (iv) oxide, also known as CO2. This gas is produced naturally through processes like respiration and volcanic activity, but also through human activities like burning fossil fuels and deforestation. CO2 is a potent greenhouse gas, which means it traps heat from the sun in the Earth's atmosphere, leading to global warming and climate change.

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Inselbergs are commonly associated with the basement complex geological formation in Nigeria. The basement complex is a formation of ancient rocks that underlie most of Nigeria and other countries in West Africa. It is characterized by resistant rocks that have withstood millions of years of erosion, resulting in the formation of inselbergs, which are steep-sided hills or mountains rising abruptly from a plain. Therefore, the correct answer is basement complex.

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