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Question 1 Report
Salinity is mainly dependent on!, evaporation,II, the amount of fresh water added III, ocean currents IV winds
Answer Details
Question 3 Report
The isoberlina tree is characteristic of the
Answer Details
The Isoberlina tree is characteristic of the Guinea savanna region in Nigeria. Guinea savanna is a transitional zone between the tropical rainforest and the arid Sahel region, and it is characterized by a mixture of grassland and woodland with scattered trees. The Isoberlina tree is a deciduous tree that is well adapted to the Guinea savanna region. It grows in association with other savanna trees such as the shea tree, locust bean tree, and acacia trees. The Isoberlina tree is an important source of firewood, charcoal, and timber, and its leaves are used for medicinal purposes. It is also an important food source for wildlife, especially during the dry season when other vegetation is scarce.
Question 4 Report
Which of the following regions in Nigeria is not sparsely populated? The
Question 6 Report
The greatest hydro-electric power potential in Nigeria is found in the
Answer Details
The greatest hydro-electric power potential in Nigeria is found in the Niger-Benue trough. This is because the Niger-Benue trough is a geological feature that runs through the center of Nigeria, and it is characterized by several large rivers and reservoirs that can be used for hydro-electric power generation. The major rivers in this trough include the Niger, Benue, and Kaduna rivers, which have the potential to generate a significant amount of electricity. Additionally, there are several dams and hydro-electric power plants located in this region, such as the Kainji, Jebba, and Shiroro dams, which are some of the largest in Nigeria. Therefore, the Niger-Benue trough has the greatest potential for hydro-electric power generation in Nigeria.
Question 8 Report
A conurbation can best be described as
Answer Details
A conurbation refers to a region that comprises several towns or cities that have grown and expanded to the point where their suburbs have merged, creating a single large urban settlement. Essentially, it's a densely populated area made up of multiple cities and towns that are physically and economically interconnected. So, option B, "several towns whose suburbs have expanded and merged to form an urban sprawl," best describes a conurbation.
Question 9 Report
The innermost party of the earth which is rich in iron and nickel and is usually subjected to great heat and pressure is termed the
Answer Details
Question 10 Report
One major relative advantage of road transportation over rail is that it
Answer Details
The major relative advantage of road transportation over rail is that it provides door-to-door service. Unlike rail transportation, which is limited to specific stations and depots, road transportation can deliver goods and passengers directly to their desired destination, making it a more convenient and flexible mode of transportation. This also allows for quicker delivery times and more personalized service.
Question 11 Report
A conurbation can best be described as
Answer Details
A conurbation is a term used to describe a region or area where several towns and their suburbs have expanded and merged together, forming a continuous urban sprawl. It is characterized by a high population density and economic integration, with people living and working across different towns and cities within the area. A conurbation may consist of two or more towns joined together, but still retaining their distinct identities, or it may be a continuous belt of urban settlements. Essentially, a conurbation is a large metropolitan area formed by the merging of several smaller towns and suburbs.
Question 12 Report
In 1985 Anambra State with a land area of about 17.700km2 had a population of about 6,175,000 what was the approximate population density per km2?
Answer Details
To calculate the population density, we divide the population by the land area: Population density = Population / Land area Substituting the given values, we have: Population density = 6,175,000 / 17,700 Population density = 348.87 people per km² (rounded to the nearest whole number) Therefore, the approximate population density per km² is 349 people. Answer option (iv) is the correct answer.
Question 13 Report
Which of the factors least affects distribution of vegetation?
Answer Details
Man (human activities) is the factor that least affects the distribution of vegetation. While humans can certainly have an impact on the environment and ecosystems through activities like deforestation, land-use changes, and pollution, their impact is generally localized and can be limited in scale. In contrast, the other factors listed - rainfall, wind, soil, and temperature - are all natural factors that have a significant influence on the distribution of vegetation. For example, different types of vegetation are adapted to specific temperature ranges, rainfall levels, and soil conditions. Wind can also affect vegetation distribution by drying out plants or damaging them physically. Therefore, while humans can have an impact on vegetation distribution, their impact is generally less significant than natural factors such as rainfall, wind, soil, and temperature.
Question 15 Report
The monthly range of temperature is the
Answer Details
The monthly range of temperature is the difference between the highest and lowest daily temperatures for the month. This means that for each day of the month, the highest temperature and the lowest temperature are recorded. The range of temperature for the month is then calculated by subtracting the lowest temperature from the highest temperature for the month. For example, if the highest temperature recorded during the month was 30°C and the lowest temperature recorded was 10°C, the range of temperature for the month would be: 30°C - 10°C = 20°C Therefore, the correct answer is "differences between the highest and lowest daily temperature for the month."
Question 16 Report
The liquid portion of the earth may be referred to as the
Answer Details
The liquid portion of the earth is referred to as the "hydrosphere". The hydrosphere is the part of the Earth's surface where water exists, including oceans, seas, rivers, lakes, and groundwater. It is composed of all the water on the planet, which makes up about 71% of the Earth's surface. The other major spheres of the Earth are the atmosphere, which is the layer of gases that surrounds the planet; the lithosphere, which is the solid outer layer of the Earth's surface; and the biosphere, which is the part of the Earth where life exists. Therefore, the hydrosphere refers specifically to the liquid portion of the Earth, while the other spheres refer to different aspects of the planet.
Question 19 Report
Which of the following environmental hazards has been paired with the wrong factor?
Answer Details
The environmental hazard that has been paired with the wrong factor is "Floods and human factor only." Floods are not caused by human factors alone. Floods can also be caused by natural factors like heavy rainfall, snowmelt, storm surges, and tsunamis. Human factors can contribute to floods by altering the natural landscape through activities like deforestation, construction, and urbanization. However, natural factors still play a significant role in the occurrence of floods. To summarize, floods are not solely caused by human factors, but rather by a combination of both natural and human factors.
Question 20 Report
The planet with the longest orbit around the sun is
Answer Details
Pluto has the longest orbit around the Sun compared to the other four options given. It takes Pluto approximately 248 Earth years to complete one orbit around the Sun. In contrast, Earth takes about 365 days to complete one orbit around the Sun. This means that Pluto takes almost 248 times longer than Earth to complete one orbit around the Sun. So, Pluto has the longest orbit around the Sun among the five options provided.
Question 21 Report
The most critical element in an ecosystem is the
Answer Details
The most critical element in an ecosystem is energy flow within the system. An ecosystem is a community of living organisms and their physical environment, which interact with each other to form a functional unit. The ecosystem is sustained by the flow of energy, which is captured by producers (plants) through photosynthesis and then transferred to consumers (animals) through feeding. Energy flow is critical to the functioning of an ecosystem because all living organisms require energy to carry out their metabolic processes. Without energy flow, the ecosystem would collapse, and all the organisms in it would die. While growth per day, the number of species, the extent of area covered, and the location of the ecosystem are all important factors, they are ultimately dependent on the flow of energy. For example, the growth of plants and the survival of animals depend on the availability of energy in the form of food. Similarly, the number and diversity of species in an ecosystem depend on the availability of energy and nutrients. Therefore, energy flow is the most critical element in an ecosystem because it is essential for the survival and functioning of all living organisms within the ecosystem.
Question 22 Report
Transportation helps economic development through all the following except the
Answer Details
Transportation helps economic development through all the options given except the distribution of population. Transportation facilitates the movement of people and goods from one place to another, which in turn leads to increased economic activity and development. With transportation, people can travel to new places to find work or start businesses, and goods can be transported to different markets, promoting national and international trade. Transportation also plays a crucial role in the diffusion of ideas and technology, as it allows for the transfer of knowledge and innovation across regions and countries. Additionally, transportation helps promote national integration by connecting different regions of a country and allowing people to move freely between them. However, transportation may not necessarily contribute to the distribution of population, as people tend to migrate to areas with better economic opportunities, regardless of whether there is adequate transportation infrastructure or not. Therefore, transportation may not directly impact the distribution of population in a significant way.
Question 23 Report
Which of the following is a product of chemical weathering?
Answer Details
The product of chemical weathering is a change in the chemical composition of rocks and minerals, resulting in the formation of new substances. Therefore, the answer to the question would be one of the options that is a result of chemical weathering. Among the options listed, the product of chemical weathering is "Grike." Grike is a solution hollow formed by the chemical weathering of limestone bedrock. As water flows through the cracks and fissures in the rock, it dissolves the rock's calcium carbonate and creates openings and cavities called grikes. Therefore, the correct answer to the question is "Grike."
Question 24 Report
Which of the following does not intervene in the natural environment?
Answer Details
Harmattan is the option that does not intervene in the natural environment. Harmattan is a dry and dusty trade wind that blows from the Sahara desert over West Africa towards the Gulf of Guinea during the winter months. It is a natural occurrence caused by atmospheric pressure differences between the Sahara and the Gulf of Guinea. Unlike the other options listed, harmattan does not involve human activities that have an impact on the natural environment. Construction works, land reclamation, farming, and pollution are all human activities that can have a negative impact on the environment.
Question 26 Report
The most important cash crop in the irrigated Nile Basin is
Answer Details
The most important cash crop in the irrigated Nile Basin is cotton. Cotton is a major cash crop in the Nile Basin due to its importance in the textile industry and the high demand for cotton products globally. The Nile Basin region has suitable climatic conditions for cotton cultivation, with sufficient water resources from the river Nile and its tributaries, making it an ideal crop for irrigation. Cotton cultivation in the Nile Basin is an important economic activity, providing employment opportunities for millions of people in the region, and contributing significantly to the economies of countries such as Egypt and Sudan. The region also produces other crops such as wheat, sugarcane, and groundnuts, but cotton remains the most important cash crop due to its economic value and high demand in the global market.
Question 27 Report
Which of the following towns is most important for the mining of gold in Africa?
Answer Details
Johannesburg is the most important town for the mining of gold in Africa. Johannesburg is located in South Africa and is known as the City of Gold because of its rich history and connection to gold mining. It was founded in the late 1800s after gold was discovered in the area, and it quickly became a center for gold mining and related industries. Today, Johannesburg is still an important center for gold mining in Africa, with several large gold mines located in the area.
Question 30 Report
Water pollution is caused by all the following except
Answer Details
Water pollution is not caused by sand filling. Sand filling, which involves the placement of sand in a specific area to fill in gaps or create land, does not necessarily involve the discharge of pollutants into the water. However, the other options listed - increased silt load, sewage disposal, industrial effluent, and mineral workings - can all contribute to water pollution. Increased silt load can lead to sedimentation, blocking sunlight, and reducing oxygen levels, which can harm aquatic life. Sewage disposal can introduce harmful bacteria and viruses into the water, which can cause diseases in humans and aquatic life. Industrial effluent can contain toxic chemicals and heavy metals that can damage aquatic ecosystems and affect the health of people who consume the contaminated water. Mineral workings can produce acidic runoff that can pollute nearby streams and rivers, killing fish and other aquatic organisms.
Question 32 Report
All the following are products of the chemical industry except
Answer Details
Alumina is the product of the aluminum industry and not the chemical industry. Therefore, the correct answer is Alumina. The chemical industry is responsible for producing a wide range of products, including synthetic rubber, dye, fertilizers, and plastics. These products are made through a variety of chemical processes and are used in a wide range of applications across different industries. Alumina, on the other hand, is produced through the refining of bauxite ore and is primarily used in the production of aluminum.
Question 34 Report
Which of the following may be not solve the problem of over-population?
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Question 35 Report
Settlements can be classified according to all the following except
Question 36 Report
Mass movement of weathered materials may be gradual or sudden depending on the I, gradient of the slope and gravitational force 11 weight of the weathered debris III, supply of lubricating moisture by rainwater coupled with gravitation force IV type of weathering which has taken place
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Question 37 Report
All the following highlands in Nigeria are composed of basement complex rocks except the
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Question 39 Report
When a plateau is enclosed by fold mountains it is alled
Answer Details
When a plateau is enclosed by fold mountains it is called an intermontane plateau. This type of plateau is usually formed due to tectonic activities where the plateau is lifted up by folding and faulting of the earth's crust. The fold mountains that enclose the plateau act as natural boundaries, and the plateau may have a flat or undulating surface. Intermontane plateaus are often rich in minerals due to their geological formation and can be found in various parts of the world, including the Rocky Mountains in North America and the Tibetan Plateau in Asia.
Question 40 Report
Through which of the following sea routes is Nigerian crude oil transported to European sets? The
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Question 41 Report
Which of the following is not one of the aims and objectives of the ECOWAS? To
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The aim of ECOWAS (Economic Community of West African States) is to promote economic integration among its member states in West Africa. The organization seeks to achieve this through the establishment of a common market, harmonization of economic policies, and the removal of trade barriers among member states. Additionally, ECOWAS aims to improve political stability and security in the region, promote cultural and educational cooperation, and provide a common fund to help the needy. Therefore, the option that is not one of the aims and objectives of ECOWAS is "encourage emigration of people in all member states."
Question 42 Report
What is the local time of a place on longitude 640E when the GMT is 10.00a.m?
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Question 43 Report
Contrast the Sokoto Plains with the Eastern highlands under the following headings
(a) relief and drainage
(b) resources and human activities
(c) problems of development
Answer Details
None
Question 44 Report
(a) On an outline map of Africa, locate and name
(i) longitudes 0° and 20°E and latitudes 4°N and 35°S
(ii) the rivers Zambezi and Volta
(iii) Mount Ruwenzor and the Atlab mountains
(iv) Yaounde and Entebbe
(v) one man-made lake along the River Nile
(vi) the Namib desert
(b) In what four ways are the rivers of Africa important?
Answer Details
None
Question 45 Report
Discuss the important features of Koppen's climatic classification
Question 46 Report
(a) On an outline map of West Africa, locate and name
(i) two ECOWAS member countries along the coast
(ii) two ECOWAS member countries in the interior
(iii) the capital of each of the countries
(b) Describe six benefits which any one of the countries shown on your map derives from its membership of the ECOWAS
(a)
(i) Two ECOWAS member countries along the coast:
- Ghana
- Cote d'Ivoire
(ii) Two ECOWAS member countries in the interior:
- Burkina Faso
- Mali
(iii) The capital of each of the countries:
- Ghana: Accra
- Cote d'Ivoire: Yamoussoukro (official capital) and Abidjan (economic capital)
- Burkina Faso: Ouagadougou
- Mali: Bamako
(b) Benefits derived from ECOWAS membership:
One of the countries shown on the map is Burkina Faso, and six benefits derived from its membership of ECOWAS are:
1. Increased regional trade: ECOWAS promotes free movement of goods and services among its member states, which has facilitated trade between Burkina Faso and other member countries.
2. Economic development: ECOWAS offers a platform for regional economic cooperation and integration, which has helped to stimulate economic growth in Burkina Faso.
3. Regional peace and security: ECOWAS has played a key role in maintaining peace and stability in West Africa, including Burkina Faso, through its peacekeeping missions and conflict resolution efforts.
4. Improved infrastructure: ECOWAS has initiated and funded various infrastructure development projects in Burkina Faso, such as roads, bridges, and energy projects.
5. Increased investment: ECOWAS membership has created opportunities for Burkina Faso to attract more foreign investment from other member states, which has helped to boost the country's economy.
6. Regional cooperation: ECOWAS provides a platform for Burkina Faso to cooperate with other member states on issues of common interest, such as environmental protection, health, and education. This has helped to promote regional integration and solidarity among member states.
Answer Details
(a)
(i) Two ECOWAS member countries along the coast:
- Ghana
- Cote d'Ivoire
(ii) Two ECOWAS member countries in the interior:
- Burkina Faso
- Mali
(iii) The capital of each of the countries:
- Ghana: Accra
- Cote d'Ivoire: Yamoussoukro (official capital) and Abidjan (economic capital)
- Burkina Faso: Ouagadougou
- Mali: Bamako
(b) Benefits derived from ECOWAS membership:
One of the countries shown on the map is Burkina Faso, and six benefits derived from its membership of ECOWAS are:
1. Increased regional trade: ECOWAS promotes free movement of goods and services among its member states, which has facilitated trade between Burkina Faso and other member countries.
2. Economic development: ECOWAS offers a platform for regional economic cooperation and integration, which has helped to stimulate economic growth in Burkina Faso.
3. Regional peace and security: ECOWAS has played a key role in maintaining peace and stability in West Africa, including Burkina Faso, through its peacekeeping missions and conflict resolution efforts.
4. Improved infrastructure: ECOWAS has initiated and funded various infrastructure development projects in Burkina Faso, such as roads, bridges, and energy projects.
5. Increased investment: ECOWAS membership has created opportunities for Burkina Faso to attract more foreign investment from other member states, which has helped to boost the country's economy.
6. Regional cooperation: ECOWAS provides a platform for Burkina Faso to cooperate with other member states on issues of common interest, such as environmental protection, health, and education. This has helped to promote regional integration and solidarity among member states.
Question 47 Report
(a) Of what importance is the Aswan High Dam to the Nile Basin?
(b) Identify four problems resulting from the construction of the dam.
Answer Details
None
Question 48 Report
(a) Name two main types of environmental pollution and describe three causes of any one of them
(b) State three effects of pollution on man
Answer Details
None
Question 49 Report
Write explanatory notes on each of the following
(a) Land and sea breezes
(b) Temperature inversion
(c) Convectional rainfall
Answer Details
None
Question 50 Report
(a) Describe the characteristics of the tropical grassland vegetation
(b) Outline the economic values of this vegetation type to the inhabitants of the region
Question 51 Report
(a) Explain two physical and two human factors which may favour a rapid growth of population
(b) Outline five problems that may arise from the rapid growth of population
Answer Details
None
Question 52 Report
Write explanatory notes on any three of the following:
(a) Government's influence on the location of industries in Tropical Africa
(b) Nearness to market as a factor of industrial location in Tropical Africa
(c) The concentration of manufacturing industries n urban centres of developing countries
(d) The predominance of consumer oriented industries in developing countries
Question 53 Report
Write explanatory notes on any four of the following
(a) Cocoa growing in western Nigeria
(b) Oil palm production in the eastern states
(c) Rice cultivation ire the middle belt
(d) Intensive farming in the Kano close-settled zone
None
Answer Details
None
Question 54 Report
(a) Identify three types of rural settlements and describe the main characteristics of each
(b) In what four ways are rural and urban settlements interdependent?
Question 55 Report
(a) What is meant by the term hinterland?
(b) Highlight with specific examples, the importance of sea ports in the economy of Nigeria
(c) State any four problems of port development in Nigeria
Question 56 Report
(a) Describe the characteristics of each of the following rock types
(i) Granite
(ii) Limestone
(iii) Graphite
(b) Explain how each rock type is formed
Question 57 Report
(a) Draw a sketch map of Nigeria and on it, locate and name
(i) three major zones of modern manufacturing industries
(ii) two important towns within each zone
(b) Outline any three problems which result from the concentration of manufacturing industries in these zones
(c) Suggest three steps which can be taken to encourage the growth of industries outside these zones.
Answer Details
None
Question 58 Report
In what ways can transportation contribute to the economic development of any one country?
Question 59 Report
(a) Distinguish between rotation and revolution of the earth
(b) Highlight any two effects of either rotation or revolution of the earth
(c) With the aid of a suitable diagram describe an eclipse of the sun
None
Answer Details
None
Question 60 Report
(a) On an outline map of West Africa, show:
(i) one area each in a different country, important for diamond, petroleum and gold
(ii) one important town in each area
(iii) one route from the producing area to the port of export for each mineral
(b) Describe one method of mining any one of the minerals in (a) above
(c) Highlight four problems associated with mining in West Africa
(a)
(i)
(ii)
(iii)
(b)
One method of mining gold in the Ashanti region of Ghana is the underground mining method. This involves the sinking of shafts through the ground and the creation of tunnels to reach the gold ore. Miners use drilling equipment to drill holes into the rock, which are then filled with explosives to break up the rock and make it easier to extract the gold. The broken rocks are then loaded onto carts and transported to the surface for processing.
(c)
Four problems associated with mining in West Africa are:
Answer Details
(a)
(i)
(ii)
(iii)
(b)
One method of mining gold in the Ashanti region of Ghana is the underground mining method. This involves the sinking of shafts through the ground and the creation of tunnels to reach the gold ore. Miners use drilling equipment to drill holes into the rock, which are then filled with explosives to break up the rock and make it easier to extract the gold. The broken rocks are then loaded onto carts and transported to the surface for processing.
(c)
Four problems associated with mining in West Africa are:
Question 61 Report
What five factors determine the volume of trade between Nigeria and Ghana
Answer Details
None
Question 62 Report
(a) On a sketch map of Nigeria locate and name any four vegetation belts
(b) Highlight four ways in which the forest vegetation contributes to the economy of the country
(c) Outline any four problems associated with the exploitation of the forest vegetation.
Answer Details
None
Question 63 Report
(a) On an outline map of West Africa, show
(i) one area having less than four months of rainfall annually
(ii) one area having rainfall all the year round
(iii) the position of the high pressure belt in January
(b) Give three reasons for the length of the rainy season in (a)(i) above
(c) Explain three problems that rainfall may pose to agriculture in (a) (ii) above
(a)
(b)
The three reasons for the length of the rainy season in the Sahel region (area with less than four months of rainfall annually) are:
(c)
The three problems that rainfall may pose to agriculture in the coastal region of West Africa (area with rainfall all year round) are:
Answer Details
(a)
(b)
The three reasons for the length of the rainy season in the Sahel region (area with less than four months of rainfall annually) are:
(c)
The three problems that rainfall may pose to agriculture in the coastal region of West Africa (area with rainfall all year round) are:
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