POST UTME CHRISTOPHER UNIVERSITY 2019 Geography | Objective

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Question 1 View Details
Determine the rate of soil erosion in a region with a mean annual rainfall of 1200 mm and a soil loss tolerance of 10 t/ha/year. The soil has a bulk density of 1.2 g/cm3 and a porosity of 0.4. Assume a uniform rainfall distribution and a soil depth of 0.5 m.
A. 0.05 t/ha/year
Correct B. 0.10 t/ha/year
C. 0.15 t/ha/year
D. 0.20 t/ha/year

Correct Answer: B

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Question 2 View Details
A tropical rainforest is characterized by a high level of biodiversity and a complex canopy structure. Which of the following is a characteristic of the understory vegetation in a tropical rainforest?
Correct A. A dense layer of shrubs and small trees
B. A sparse layer of tall trees
C. A dense layer of epiphytes
D. A sparse layer of herbaceous plants

Correct Answer: A

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Question 3 View Details
A river has a mean annual discharge of 100 m3/s and a sediment load of 10 kg/s. If the river flows for 365 days per year, what is the total amount of sediment transported by the river in a year?
Correct A. 3.65 x 10^6 kg
B. 3.65 x 10^7 kg
C. 3.65 x 10^8 kg
D. 3.65 x 10^9 kg

Correct Answer: A

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Question 4 View Details
A population of 1000 individuals is growing at a rate of 5% per year. If the population is currently at 1200 individuals, what was the population 5 years ago?
A. 800
Correct B. 900
C. 1000
D. 1100

Correct Answer: B

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Question 5 View Details
A city has a population of 500,000 and a growth rate of 2% per year. If the city's population is expected to double in 30 years, what is the current population growth rate?
A. 1.5%
Correct B. 2%
C. 2.5%
D. 3%

Correct Answer: B

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Question 6 View Details
The diagram below shows a cross-section of a river valley. What is the likely effect of the river's meandering on the surrounding landscape?
A. The surrounding landscape will become more rugged.
Correct B. The surrounding landscape will become more fertile.
C. The surrounding landscape will remain unchanged.
D. The surrounding landscape will become more prone to erosion.

Correct Answer: B

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Question 7 View Details
A company is considering investing in a new factory in a region with a high level of soil erosion. What type of industry is most likely to be affected by this environmental issue?
Correct A. Agriculture
B. Manufacturing
C. Construction
D. Tourism

Correct Answer: A

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Question 8 View Details
The diagram below shows a graph of the relationship between temperature and precipitation in a particular region. What is the likely effect of a 2°C increase in temperature on the precipitation in this region?
A. The precipitation will decrease by 10%.
Correct B. The precipitation will increase by 5%.
C. The precipitation will remain unchanged.
D. The precipitation will increase by 15%.

Correct Answer: B

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Question 9 View Details
A farmer is considering planting a new crop in a region with a high level of soil salinity. What type of crop is most likely to be affected by this environmental issue?
A. Sugarcane
B. Maize
Correct C. Rice
D. Wheat

Correct Answer: C

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Question 10 View Details
The diagram below shows a cross-section of a mountain range. What is the likely effect of the mountain-building process on the surrounding landscape?
Correct A. The surrounding landscape will become more rugged.
B. The surrounding landscape will become more fertile.
C. The surrounding landscape will remain unchanged.
D. The surrounding landscape will become more prone to erosion.

Correct Answer: A

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Question 11 View Details
The process of plate tectonics that involves the movement of the Earth's lithosphere is known as _______.
A. Continental Drift
Correct B. Sea Floor Spreading
C. Plate Tectonics
D. Geological Folding

Correct Answer: B

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Question 12 View Details
The diagram below shows a cross-section of the Earth's interior. Which layer is responsible for the Earth's magnetic field?
A. Crust
B. Mantle
C. Outer Core
Correct D. Inner Core

Correct Answer: D

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Question 13 View Details
The diagram below shows a population pyramid. Which of the following is a characteristic of a population with a high birth rate?
A. A large proportion of the population is in the working age group
B. A large proportion of the population is in the dependent age group
Correct C. A large proportion of the population is in the reproductive age group
D. A large proportion of the population is in the elderly age group

Correct Answer: C

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Question 14 View Details
The diagram below shows a map of the world's major rivers. Which of the following is a characteristic of a river that flows through a delta region?
Correct A. The river has a high discharge rate
B. The river has a low discharge rate
C. The river has a meandering course
D. The river has a braided course

Correct Answer: A

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Question 15 View Details
The diagram below shows a graph of the world's population growth. Which of the following is a characteristic of a population that is experiencing exponential growth?
A. The population growth rate is constant
Correct B. The population growth rate is increasing
C. The population growth rate is decreasing
D. The population growth rate is zero

Correct Answer: B

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Question 16 View Details
The process of soil formation through the weathering of rocks is an example of what type of land-forming process?
Correct A. Internal land-forming process
B. External land-forming process
C. Weathering process
D. Erosion process

Correct Answer: A

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Question 17 View Details
A city with a population of 500,000 people has a growth rate of 3% per annum. If the city's population is expected to double in 20 years, what is the annual growth rate of the city?
A. 1.5%
Correct B. 2%
C. 2.5%
D. 3%

Correct Answer: B

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Question 18 View Details
A river with a discharge of 100 m^3/s has a slope of 0.01. If the river flows over a distance of 10 km, what is the total energy loss of the river?
A. 100 J
B. 1000 J
Correct C. 10000 J
D. 100000 J

Correct Answer: C

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Question 19 View Details
A company produces 1000 units of a product per day. If the cost of production is ₦500 per unit and the selling price is ₦700 per unit, what is the profit per unit?
A. ₦100
B. ₦200
Correct C. ₦300
D. ₦400

Correct Answer: C

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Question 20 View Details
A farmer has 10 hectares of land and wants to plant a crop that requires 200 kg of fertilizer per hectare. If the fertilizer costs ₦500 per kg, what is the total cost of fertilizer for the entire farm?
A. ₦100,000
Correct B. ₦200,000
C. ₦300,000
D. ₦400,000

Correct Answer: B

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Question 21 View Details
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. Biological weathering
Correct D. Thermal weathering

Correct Answer: D

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Question 22 View Details
A map scale of 1:50,000 means that 1 centimeter on the map represents
A. 1 kilometer
B. 5 kilometers
C. 10 kilometers
Correct D. 50 kilometers

Correct Answer: D

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Question 23 View Details
The formation of a delta occurs when a river deposits sediment at its
Correct A. Mouth
B. Source
C. Middle course
D. Upper course

Correct Answer: A

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Question 24 View Details
The population of a city can be described by the
A. Normal distribution curve
B. Lognormal distribution curve
Correct C. Poisson distribution curve
D. Exponential distribution curve

Correct Answer: C

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Question 25 View Details
The Earth's rotation causes the Coriolis effect, which results in the formation of
A. Trade winds
B. Westerlies
C. High and low-pressure systems
Correct D. Ocean currents

Correct Answer: D

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