POST UTME OSUSTECH 2020 Geography | Objective

Are you preparing for POST UTME OSUSTECH exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2020 Geography (Objective) questions designed to simulate the real exam environment.

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Question 1
The Earth's rotation causes the Coriolis effect, which in turn influences the formation of weather patterns. What is the primary mechanism by which the Coriolis effect affects the trajectory of a moving object?
A. Deflection of the object's path due to the rotation of the Earth
B. Acceleration of the object due to the force of gravity
C. Deceleration of the object due to air resistance
Correct D. Change in the object's velocity due to the Coriolis force

Correct Answer: D

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Question 2
A river's meandering path is influenced by the following factors EXCEPT
A. Sediment load
B. Water velocity
C. River gradient
Correct D. Tectonic activity

Correct Answer: D

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Question 3
A map scale of 1:50,000 represents an area of 50 km by 50 km. What is the scale factor?
A. 1:5000
Correct B. 1:50,000
C. 1:500,000
D. 1:5,000,000

Correct Answer: B

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Question 4
The diagram below shows a cross-section of a river valley. What is the name of the landform labeled 'A'?
Correct A. Valley
B. Hill
C. Mountain
D. Plateau

Correct Answer: A

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Question 5
The diagram below shows a graph of the relationship between temperature and precipitation in a region. What is the name of the phenomenon labeled 'B'?
A. Inverse relationship
Correct B. Direct relationship
C. Correlation
D. Regression

Correct Answer: B

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Question 6
The Niger Delta region of Nigeria is characterized by a unique combination of physical and economic geography features. Which of the following is NOT a primary economic activity in the region?
A. Fishing
B. Oil and Gas Exploration
C. Agriculture
Correct D. Tourism

Correct Answer: D

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Question 7
The process of soil erosion in Nigeria is influenced by several factors, including climate, land use, and topography. Which of the following is NOT a primary cause of soil erosion in the country?
A. Deforestation
B. Overgrazing
Correct C. Urbanization
D. Climate Change

Correct Answer: C

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Question 8
The economic geography of Nigeria is characterized by a diverse range of natural resources, including oil, gas, and minerals. Which of the following is NOT a major economic activity in the country?
A. Agriculture
B. Mining
C. Manufacturing
Correct D. Tourism

Correct Answer: D

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Question 9
The Niger River is a vital source of water and transportation for millions of people in Nigeria. Which of the following is NOT a major environmental issue associated with the river?
A. Pollution
B. Overfishing
C. Sedimentation
Correct D. Climate Change

Correct Answer: D

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Question 10
The climate of Nigeria is characterized by a tropical savanna climate, with two distinct seasons: wet and dry. Which of the following is NOT a characteristic of the wet season in Nigeria?
A. High temperatures
B. High humidity
C. Heavy rainfall
Correct D. Low temperatures

Correct Answer: D

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Question 11
A map of the Niger Delta region shows a network of distributaries and distributary channels. What is the primary reason for the formation of these distributaries?
A. The distributaries are formed due to the deposition of sediment by the river.
Correct B. The distributaries are formed due to the erosion of the river banks.
C. The distributaries are formed due to the distributary channels being formed by the river.
D. The distributaries are formed due to the distributary channels being formed by the distributaries.

Correct Answer: B

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Question 12
A diagram of a river system shows a meandering river with a well-developed floodplain. What is the primary reason for the formation of the meandering river?
Correct A. The meandering river is formed due to the erosion of the river banks.
B. The meandering river is formed due to the deposition of sediment by the river.
C. The meandering river is formed due to the river flowing over a hard rock surface.
D. The meandering river is formed due to the river flowing over a soft rock surface.

Correct Answer: A

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Question 13
A diagram of a coal mine shows a coal seam with a thickness of 2 meters. What is the primary reason for the formation of the coal seam?
Correct A. The coal seam is formed due to the compaction of plant remains.
B. The coal seam is formed due to the erosion of the rock surface.
C. The coal seam is formed due to the deposition of sediment by the river.
D. The coal seam is formed due to the formation of a coal deposit.

Correct Answer: A

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Question 14
A diagram of a soil profile shows a B horizon with a thickness of 1 meter. What is the primary reason for the formation of the B horizon?
Correct A. The B horizon is formed due to the leaching of the soil.
B. The B horizon is formed due to the deposition of sediment by the river.
C. The B horizon is formed due to the erosion of the rock surface.
D. The B horizon is formed due to the formation of a soil deposit.

Correct Answer: A

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Question 15
A diagram of a climate graph shows a temperature range of 20-30°C. What is the primary reason for the formation of this temperature range?
Correct A. The temperature range is formed due to the proximity to the equator.
B. The temperature range is formed due to the altitude of the region.
C. The temperature range is formed due to the oceanic influence.
D. The temperature range is formed due to the continental influence.

Correct Answer: A

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Question 16
The Earth's rotation causes the apparent shift of the position of a star in the sky due to the star's position relative to the observer's location on Earth. This phenomenon is known as
A. Asterism
B. Parallax
C. Refraction
Correct D. Aberration

Correct Answer: D

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Question 17
The diagram below shows the distribution of vegetation in a tropical region. Which of the following types of vegetation is most likely to be found in the area marked X?
A. Mangrove
Correct B. Rainforest
C. Savanna
D. Desert

Correct Answer: B

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Question 18
The graph below shows the relationship between temperature and precipitation in a given region. What is the likely effect of a 2°C increase in temperature on the precipitation in this region?
Correct A. Increase
B. Decrease
C. No change
D. Uncertain

Correct Answer: A

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Question 19
The diagram below shows the structure of a cell. Which of the following organelles is responsible for protein synthesis?
A. Mitochondria
Correct B. Ribosome
C. Lysosome
D. Golgi apparatus

Correct Answer: B

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Question 20
The graph below shows the relationship between the amount of fertilizer used and the yield of a crop. What is the likely effect of increasing the amount of fertilizer used from 100 kg to 200 kg on the yield of the crop?
Correct A. Increase
B. Decrease
C. No change
D. Uncertain

Correct Answer: A

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Question 21
The savannas of Nigeria are characterized by a distinct vegetation belt, which is influenced by the country's climate. What is the primary factor responsible for the formation of this vegetation belt?
A. Temperature
Correct B. Precipitation
C. Soil type
D. Altitude

Correct Answer: B

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Question 22
The Niger Delta is a region of high population density and economic activity in Nigeria. What is the primary economic activity that drives the region's economy?
A. Agriculture
B. Mining
C. Manufacturing
Correct D. Petroleum refining

Correct Answer: D

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Question 23
The Jos Plateau is a region of Nigeria known for its unique landforms and geological features. What is the primary process responsible for the formation of these landforms?
Correct A. Weathering
B. Erosion
C. Deposition
D. Plate tectonics

Correct Answer: A

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Question 24
The population of Nigeria is projected to reach 400 million by 2050. What is the primary factor driving this population growth?
Correct A. High birth rate
B. Low death rate
C. Urbanization
D. Migration

Correct Answer: A

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Question 25
The Niger River is a major economic resource for Nigeria, providing hydroelectric power and irrigation for agriculture. What is the primary benefit of this resource?
A. Job creation
B. Increased food production
C. Improved transportation
Correct D. Enhanced economic growth

Correct Answer: D

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