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POST UTME GREENFIELD UNIVERSITY 2021 Geography | Objective

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Question 1

A recent study on the impact of climate change on the Niger Delta region revealed that the region's mangrove forests are being destroyed at an alarming rate. Which of the following is a likely consequence of this destruction?

A. Increased risk of oil spills

Correct B. Loss of biodiversity

C. Decreased fish populations

D. Increased risk of flooding

Correct Answer: B

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Question 2

The diagram below shows a cross-section of a river valley. What is the name of the landform labeled 'A'?

A. River

Correct B. Valley

C. Delta

D. Floodplain

Correct Answer: B

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Question 3

A company is considering investing in a new factory in the Niger Delta region. Which of the following is a potential environmental impact of this investment?

A. Increased air pollution

Correct B. Increased water pollution

C. Increased greenhouse gas emissions

D. Increased soil erosion

Correct Answer: B

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Question 4

The diagram below shows a map of the Niger Delta region. What is the name of the city labeled 'A'?

Correct A. Port Harcourt

B. Lagos

C. Abuja

D. Kano

Correct Answer: A

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Question 5

A recent study on the impact of deforestation on the Niger Delta region revealed that the region's forests are being destroyed at an alarming rate. Which of the following is a likely consequence of this destruction?

A. Increased risk of soil erosion

B. Increased risk of flooding

Correct C. Decreased biodiversity

D. Increased risk of landslides

Correct Answer: C

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Question 6

The process of soil formation through the weathering of rocks is known as _______.

A. Erosion

B. Weathering

C. Soilification

Correct D. Pedogenesis

Correct Answer: D

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Question 7

A population of 100,000 people is growing at a rate of 5% per annum. If the population is currently 120,000, what was the population 5 years ago?

Correct A. 100000

B. 110000

C. 120000

D. 130000

Correct Answer: A

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Question 8

The diagram below shows a cross-section of a river valley. Which of the following landforms is NOT a result of fluvial erosion?

A. Meander

B. Oxbow Lake

C. Delta

Correct D. Canyon

Correct Answer: D

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Question 9

The diagram below shows a geological map of a region. Which of the following rocks is NOT a type of igneous rock?

A. Granite

Correct B. Sandstone

C. Marble

D. Limestone

Correct Answer: B

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Question 10

A city with a population of 500,000 people has a growth rate of 3% per annum. If the city's population is currently 550,000, what will be the population 10 years from now?

A. 650000

B. 700000

C. 750000

Correct D. 800000

Correct Answer: D

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Question 11

The population growth rate of a city is given by the equation ( rac{dP}{dt} = rP left( 1 - rac{P}{K} ight) ). If the carrying capacity ( K ) is 100,000 and the initial population ( P_0 ) is 50,000, find the population ( P(t) ) at time ( t ) using the logistic growth model.

Correct A. ( P(t) = \frac{K}{1 + Ae^{-rt}}

B. ( P(t) = K \left( 1 - \frac{1}{1 + Ae^{-rt}} \right)

C. ( P(t) = \frac{K}{1 + Ae^{rt}}

D. ( P(t) = K \left( 1 - \frac{1}{1 + Ae^{rt}} \right)

Correct Answer: A

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Question 12

A map projection is a way of representing 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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Question 13

The Earth's atmosphere is composed of several layers. Which of the following layers is responsible for absorbing most of the sun's ultraviolet radiation?

A. Troposphere

Correct B. Stratosphere

C. Mesosphere

D. Thermosphere

Correct Answer: B

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Question 14

A company is considering investing in a new project. The project requires an initial investment of ₦10 million and is expected to generate a profit of ₦5 million per year for 5 years. What is the net present value (NPV) of the project, assuming a discount rate of 10%?

Correct A. ₦15 million

B. ₦20 million

C. ₦25 million

D. ₦30 million

Correct Answer: A

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Question 15

A river is flowing through a valley. The river's velocity is given by the equation ( v = rac{1}{2}gt^2 ), where ( g ) is the acceleration due to gravity and ( t ) is time. If the river's velocity is 5 m/s at time ( t = 2 ) seconds, find the acceleration of the river.

A. 10 m/s^2

Correct B. 20 m/s^2

C. 30 m/s^2

D. 40 m/s^2

Correct Answer: B

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Question 16

A company is producing a new product. The production process involves three stages: raw material extraction, processing, and packaging. The cost of raw material extraction is ₦5 million, the cost of processing is ₦3 million, and the cost of packaging is ₦2 million. What is the total cost of production?

A. ₦10 million

B. ₦12 million

Correct C. ₦15 million

D. ₦18 million

Correct Answer: C

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Question 17

A city is experiencing a population growth rate of 2% per annum. If the current population is 500,000, what will be the population in 10 years?

A. 750,000

B. 800,000

C. 850,000

Correct D. 900,000

Correct Answer: D

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Question 18

A company is considering investing in a new project. The project requires an initial investment of ₦20 million and is expected to generate a profit of ₦10 million per year for 10 years. What is the net present value (NPV) of the project, assuming a discount rate of 15%?

A. ₦30 million

B. ₦35 million

Correct C. ₦40 million

D. ₦45 million

Correct Answer: C

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Question 19

A river is flowing through a valley. The river's velocity is given by the equation ( v = rac{1}{2}gt^2 ), where ( g ) is the acceleration due to gravity and ( t ) is time. If the river's velocity is 10 m/s at time ( t = 3 ) seconds, find the acceleration of the river.

A. 20 m/s^2

B. 30 m/s^2

C. 40 m/s^2

D. 50 m/s^2

Correct Answer: VIEW ANSWER

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Question 20

The concept of 'Economic Man' in Economic Geography is associated with which of the following authors?

A. Adam Smith

B. David Ricardo

Correct C. Alfred Marshall

D. John Maynard Keynes

Correct Answer: C

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Question 21

The diagram below shows a cross-section of a river. What is the name of the landform labeled 'A'?

Correct A. Meander

B. Oxbow Lake

C. Delta

D. Floodplain

Correct Answer: A

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Question 22

The process of soil erosion by water is known as?

A. Rill Erosion

B. Gully Erosion

Correct C. Sheet Erosion

D. Splash Erosion

Correct Answer: C

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Question 23

The diagram below shows a graph of temperature against altitude. What is the name of the process labeled 'A'?

Correct A. Adiabatic Cooling

B. Adiabatic Heating

C. Orographic Lift

D. Radiative Cooling

Correct Answer: A

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Question 24

The concept of 'Carrying Capacity' in Environmental Issues and Management refers to the maximum number of individuals of a species that an environment can support without degrading the environment. What is the unit of measurement for carrying capacity?

A. Population Density

B. Biomass

Correct C. Carrying Capacity

D. Species Diversity

Correct Answer: C

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Question 25

The diagram below shows a map of a region. What is the name of the landform labeled 'B'?

A. Delta

Correct B. Mountain

C. Floodplain

D. Plateau

Correct Answer: B

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