POST UTME EKSU 2021 Geography | Objective

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Question 1
The process of weathering that involves the breakdown of rocks into smaller fragments due to the expansion and contraction of water molecules within the rock is known as:
A. Mechanical weathering
Correct B. Chemical weathering
C. Physical weathering
D. Biological weathering

Correct Answer: B

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Question 2
A diagram of the Earth's magnetic field is shown below. Which of the following statements is true about the magnetic field?
A. The magnetic field is strongest at the North Pole.
B. The magnetic field is weakest at the South Pole.
Correct C. The magnetic field is symmetrical about the Earth's axis.
D. The magnetic field is strongest at the equator.

Correct Answer: C

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Question 3
The diagram below shows a cross-section of a river delta. Which of the following is a characteristic of a river delta?
Correct A. A river delta is formed by the deposition of sediment at the mouth of a river.
B. A river delta is a type of coastal landform.
C. A river delta is formed by the erosion of a coastline.
D. A river delta is a type of mountain range.

Correct Answer: A

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Question 4
The diagram below shows a graph of the relationship between population density and economic development. Which of the following statements is true about the relationship between population density and economic development?
A. There is a direct relationship between population density and economic development.
B. There is an inverse relationship between population density and economic development.
C. There is no relationship between population density and economic development.
Correct D. The relationship between population density and economic development is complex and depends on various factors.

Correct Answer: D

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Question 5
The diagram below shows a map of Nigeria. Which of the following cities is located in the Niger Delta region?
A. Lagos
Correct B. Port Harcourt
C. Abuja
D. Kano

Correct Answer: B

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Question 6
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. The Niger Delta region is a low-lying area with a gentle slope, allowing rivers to flow easily and create a complex network.
B. The Niger Delta region has a high rainfall, causing rivers to overflow and create a complex network.
C. The Niger Delta region has a high population density, leading to deforestation and soil erosion, which in turn creates a complex network of rivers and creeks.
Correct D. The Niger Delta region has a unique geology, with a combination of sand, clay, and silt, which allows rivers to flow easily and create a complex network.

Correct Answer: D

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Question 7
A map of Nigeria shows a region with a high concentration of oil reserves. What is the primary economic activity in this region?
A. Agriculture
Correct B. Mining
C. Manufacturing
D. Tourism

Correct Answer: B

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Question 8
A diagram of the Earth's solar system shows the planets in order from the Sun. What is the primary reason for the order of the planets?
Correct A. The order of the planets is determined by their distance from the Sun.
B. The order of the planets is determined by their size.
C. The order of the planets is determined by their orbital period.
D. The order of the planets is determined by their atmospheric composition.

Correct Answer: A

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Question 9
A graph of the Earth's population growth shows a rapid increase in population over the past century. What is the primary reason for this rapid increase?
A. The rapid increase in population is due to a high birth rate.
B. The rapid increase in population is due to a high death rate.
Correct C. The rapid increase in population is due to a high rate of urbanization.
D. The rapid increase in population is due to a high rate of immigration.

Correct Answer: C

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Question 10
A map of Nigeria shows a region with a high concentration of agricultural land. What is the primary economic activity in this region?
Correct A. Agriculture
B. Mining
C. Manufacturing
D. Tourism

Correct Answer: A

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Question 11
The process of plate tectonics is primarily responsible for the formation of which of the following landforms?
A. Volcanoes
Correct B. Mountains
C. Islands
D. Canyons

Correct Answer: B

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Question 12
The diagram below shows a cross-section of the Earth's atmosphere. Which of the following layers is responsible for absorbing the majority of the Sun's ultraviolet radiation?
A. Troposphere
Correct B. Stratosphere
C. Mesosphere
D. Thermosphere

Correct Answer: B

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Question 13
The population growth rate of a country is given by the equation ( P = P_0 e^{rt} ), where ( P ) is the population at time ( t ), ( P_0 ) is the initial population, ( r ) is the growth rate, and ( t ) is time. If the initial population is 100,000 and the growth rate is 0.05, what is the population after 10 years?
A. 125,000
B. 150,000
Correct C. 175,000
D. 200,000

Correct Answer: C

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Question 14
The diagram below shows a simple harmonic motion. Which of the following statements is true about the motion?
Correct A. The motion is periodic.
B. The motion is oscillatory.
C. The motion is uniform.
D. The motion is non-periodic.

Correct Answer: A

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Question 15
The diagram below shows a cross-section of a river. Which of the following statements is true about the river?
A. The river is meandering.
Correct B. The river is braiding.
C. The river is straight.
D. The river is winding.

Correct Answer: B

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Question 16
The equation of a circle is given by ( x^2 + y^2 = r^2 ), where ( r ) is the radius. If the radius is 5, what is the equation of the circle?
Correct A. ( x^2 + y^2 = 25 )
B. ( x^2 + y^2 = 10 )
C. ( x^2 + y^2 = 20 )
D. ( x^2 + y^2 = 30 )

Correct Answer: A

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Question 17
The diagram below shows a simple circuit. Which of the following statements is true about the circuit?
A. The circuit is closed.
B. The circuit is open.
C. The circuit is short-circuited.
D. The circuit is not connected.

Correct Answer: VIEW ANSWER

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Question 18
The Earth's rotation causes the Coriolis effect, which in turn affects the formation of weather patterns. Which of the following best describes the Coriolis effect?
Correct A. A deflection of moving objects to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
B. A deflection of moving objects to the left in the Northern Hemisphere and to the right in the Southern Hemisphere.
C. A deflection of moving objects towards the equator.
D. A deflection of moving objects towards the poles.

Correct Answer: A

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Question 19
The Niger Delta is a major economic hub in Nigeria, with significant oil and gas reserves. What is the primary economic activity in the Niger Delta?
A. Agriculture
B. Mining
C. Manufacturing
Correct D. Petroleum extraction

Correct Answer: D

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Question 20
The Benue Trough is a major geological feature in Nigeria, characterized by a series of faults and folds. What is the primary type of rock formation in the Benue Trough?
A. Igneous
Correct B. Sedimentary
C. Metamorphic
D. Hydrothermal

Correct Answer: B

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Question 21
The Jos Plateau is a region of highlands in Nigeria, known for its rich mineral deposits. What is the primary mineral extracted from the Jos Plateau?
A. Copper
B. Gold
Correct C. Iron ore
D. Lead

Correct Answer: C

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Question 22
The Ogun River is a major watercourse in Nigeria, flowing through the states of Ogun and Lagos. What is the primary use of the Ogun River?
A. Irrigation
B. Drinking water
C. Industrial use
Correct D. Hydroelectric power generation

Correct Answer: D

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Question 23
The Earth's rotation causes the Coriolis force, which in turn influences the formation of high and low-pressure systems. However, this force is most pronounced in the tropics. What is the primary reason for this phenomenon?
A. The Earth's rotation is faster in the tropics.
B. The Coriolis force is weaker in the tropics.
C. The tropics have a higher concentration of atmospheric pressure.
Correct D. The Earth's axis is tilted at a greater angle in the tropics.

Correct Answer: D

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Question 24
A population of 100,000 people is growing at a rate of 2% per annum. If the population is currently increasing by 2000 people per year, what will be the population after 5 years?
A. 120,000
B. 130,000
Correct C. 140,000
D. 150,000

Correct Answer: C

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Question 25
A map projection is used to represent the Earth's surface on a flat surface. Which of the following map projections is known for preserving angles and shapes?
A. Mercator projection
Correct B. Gall-Peters projection
C. Robinson projection
D. Azimuthal equidistant projection

Correct Answer: B

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