POST UTME OSUSTECH 2020 Geography | Objective

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Question 1
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
D. Low temperatures
Question 2
The diagram below shows the cross-section of a river valley. What is the name of the landform labeled 'A'?
A. Meander
B. Oxbow Lake
C. Delta
D. Floodplain
Question 3
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
B. Precipitation
C. Soil type
D. Altitude
Question 4
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
D. Climate Change
Question 5
The Niger Delta is a region of high population density and economic activity. Which of the following is a major economic activity in the region?
A. Agriculture
B. Fishing
C. Oil and Gas Production
D. Tourism
Question 6
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?
A. Increase
B. Decrease
C. No change
D. Uncertain
Question 7
The diagram below shows the distribution of vegetation in a tropical region. Which type of vegetation is found in the area marked 'A'?
A. Tropical rainforest
B. Tropical savanna
C. Mangrove forest
D. Cloud forest
Question 8
The diagram below shows the structure of a cell. What is the name of the organelle labeled 'B'?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Lysosome
Question 9
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
B. Direct relationship
C. Correlation
D. Regression
Question 10
The Earth's rotation causes the apparent shift of the position of the North Star from its true position. What is the name of this phenomenon?
A. Precession
B. Nutation
C. Axial Tilt
D. Equatorial Bulge
Question 11
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?
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.
Question 12
The population of Nigeria is projected to reach 400 million by 2050. What is the primary factor driving this population growth?
A. High birth rate
B. Low death rate
C. Urbanization
D. Migration
Question 13
A river's meandering path is influenced by the following factors EXCEPT
A. Sediment load
B. Water velocity
C. River gradient
D. Tectonic activity
Question 14
The population of a city is growing at a rate of 5% per annum. If the current population is 100,000, what will be the population after 2 years?
A. 121,000
B. 125,000
C. 130,000
D. 135,000
Question 15
The diagram below shows the process of soil erosion by water. Which stage of the process is marked 'A'?
A. Weathering
B. Erosion
C. Deposition
D. Transportation

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