POST UTME RSU 2018 Geography | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The concept of 'threshold effect' in population studies refers to the idea that a certain level of environmental degradation must be reached before it has a significant impact on human health. Which of the following is an example of a threshold effect?
A. The increase in temperature due to global warming
B. The decrease in air quality due to industrial pollution
C. The rise in sea levels due to melting of polar ice caps
D. The increase in population density in urban areas
Question 2
The process of weathering that involves the breakdown of rocks into smaller fragments due to the expansion and contraction of water within the rock's pores is known as _______.
A. Mechanical weathering
B. Chemical weathering
C. Physical weathering
D. Biological weathering
Question 3
The Niger Delta region of Nigeria is characterized by a complex network of rivers and creeks. What is the primary reason for this complex network?
A. Tectonic activity
B. Weathering and erosion
C. Human activities
D. Geological structure
Question 4
The diagram below shows the different types of rocks. Which type of rock is formed from the cooling and solidification of magma?
A. Igneous
B. Sedimentary
C. Metamorphic
D. Foliated
Question 5
The diagram below shows the relationship between temperature and precipitation in the savannas of Africa.
A. As temperature increases, precipitation decreases
B. As temperature increases, precipitation remains constant
C. As temperature increases, precipitation increases
D. As temperature increases, precipitation first increases then decreases
Question 6
The diagram below shows a cross-section of a mountain range. What type of land-forming process is responsible for the formation of this mountain range?
A. Internal land-forming process
B. External land-forming process
C. Erosion process
D. Deposition process
Question 7
A soil profile consists of the following layers: O, A, B, and C. Which of the following is the correct order of these layers from top to bottom?
A. O, A, B, C
B. A, O, B, C
C. B, A, O, C
D. C, B, A, O
Question 8
A soil has a pH of 6.5 and a cation exchange capacity of 20 meq/100g. What is the soil's buffering capacity?
A. 10 meq/100g
B. 20 meq/100g
C. 30 meq/100g
D. 40 meq/100g
Question 9
A river's meandering path is a result of which of the following processes?
A. Erosion
B. Deposition
C. Tectonic uplift
D. Weathering
Question 10
The diagram below shows the different types of rocks. Which type of rock is formed from the alteration of existing rocks under high pressure and temperature?
A. Igneous
B. Sedimentary
C. Metamorphic
D. Foliated
Question 11
The diagram below shows a cross-section of a rock layer. What type of rock is represented by the layer labeled 'A'?
A. Igneous rock
B. Sedimentary rock
C. Metamorphic rock
D. Foliated rock
Question 12
The map below shows the location of a major city in Nigeria. What is the name of the state where the city is located?
A. Lagos State
B. Ogun State
C. Oyo State
D. Osun State
Question 13
A soil profile shows a layer of clay at a depth of 20 cm. What is the likely reason for the presence of this clay layer?
A. Weathering of rocks
B. Erosion of the soil surface
C. Deposition of clay particles
D. Leaching of soluble salts
Question 14
The Niger Delta region of Nigeria is characterized by a complex network of rivers and creeks. Which of the following is a major factor contributing to the high level of sedimentation in this region?
A. High rainfall intensity
B. Long duration of rainfall
C. High population density
D. High rate of soil erosion
Question 15
A river has a discharge of 1000 m³/s and a slope of 0.01. What is the energy gradient of the river?
A. 10 m/km
B. 100 m/km
C. 1000 m/km
D. 10,000 m/km

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