POST UTME UNIOSUN 2020 Geography | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The Earth's atmosphere is composed of 78% nitrogen, 21% oxygen, and 1% other gases. What is the primary function of the atmosphere?
A. Regulation of temperature
B. Protection from harmful radiation
C. Supply of oxygen
D. All of the above
Question 2
The diagram below represents a graph of the relationship between population density and per capita income. Which of the following statements is true about the graph?
A. The graph shows a positive correlation between population density and per capita income.
B. The graph shows a negative correlation between population density and per capita income.
C. The graph shows no correlation between population density and per capita income.
D. The graph shows a non-linear relationship between population density and per capita income.
Question 3
A soil sample has a pH of 7.5 and a texture of clay loam. Which of the following soil types is most likely to be found in this soil?
A. Alfisol
B. Ultisol
C. Mollisol
D. Inceptisol
Question 4
The diagram below shows the spatial distribution of Nigeria's major mineral resources. Which of the following regions is NOT a major producer of petroleum?
A. Delta State
B. Rivers State
C. Bayelsa State
D. Kogi State
Question 5
The diagram below shows a simple chemistry apparatus. What is the purpose of the burette?
A. To measure the volume of a liquid
B. To mix two solutions
C. To filter a solution
D. To measure the pH of a solution
Question 6
The diagram below shows the spatial distribution of Nigeria's major soil types. Which of the following regions is NOT characterized by the presence of Alfisols?
A. North-Central Zone
B. South-West Zone
C. South-East Zone
D. North-East Zone
Question 7
The diagram below represents a cross-section of a soil profile. Which of the following soil horizons is characterized by the presence of a high concentration of minerals?
A. O horizon
B. A horizon
C. B horizon
D. C horizon
Question 8
The diagram below shows a cross-section of a river valley. Which of the following landforms is NOT a result of fluvial erosion?
A. Meandering river
B. Oxbow lake
C. Delta
D. Waterfall
Question 9
The diagram below represents a graph of the relationship between the amount of rainfall and the growth of crops. Which of the following statements is true about the graph?
A. The graph shows a positive correlation between rainfall and crop growth.
B. The graph shows a negative correlation between rainfall and crop growth.
C. The graph shows no correlation between rainfall and crop growth.
D. The graph shows a non-linear relationship between rainfall and crop growth.
Question 10
The diagram below shows a cross-section of a river delta. What is the name of the process that is responsible for the formation of the delta?
A. Deposition
B. Erosion
C. Accretion
D. Subsidence
Question 11
A city with a population of 500,000 has a growth rate of 4% per annum. Assuming a constant growth rate, what will be the population of the city after 15 years?
A. 700,000
B. 800,000
C. 900,000
D. 1 million
Question 12
The diagram below shows a graph of the relationship between temperature and altitude. What is the name of the process that is responsible for the decrease in temperature with altitude?
A. Adiabatic cooling
B. Conduction
C. Convection
D. Radiation
Question 13
The diagram below represents a cross-section of a river valley. Which of the following processes is primarily responsible for the formation of the valley?
A. Erosion by a river
B. Deposition by a river
C. Tectonic uplift
D. Volcanic activity
Question 14
The diagram below represents a cross-section of a soil profile. Which of the following soil horizons is characterized by the presence of organic matter?
A. O horizon
B. A horizon
C. B horizon
D. C horizon
Question 15
The Niger Delta is a major wetland ecosystem in Nigeria. Which of the following is a characteristic of the Niger Delta?
A. High concentration of mangroves
B. High concentration of salt-tolerant plants
C. High concentration of freshwater fish species
D. High concentration of oil and gas reserves

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