Welcome to today’s Geography revision! 🌍 In this lesson, we focus on common REAL exam-style questions taken directly from video explanations. These questions are seen across WAEC, NECO, GCE, IJMB, and UTME exams. Each one comes with A–D options, correct answers, and clear explanations, making it easy to understand, remember, and score high in your exam.
Let’s begin with confidence!
1. What is chemical weathering?
A. Breaking of rocks without moisture
B. Physical breakdown only
C. Decomposition of rocks through chemical reactions
D. Movement of rocks by wind
✅ CORRECT ANSWER: C
Explanation: Chemical weathering occurs when rocks change or break down due to reactions with water, oxygen, acids, or carbon dioxide.
2. Which process can cause chemical weathering in rocks?
A. Sunlight only
B. Rusting and oxidation
C. Friction
D. Movement of animals
✅ CORRECT ANSWER: B
Explanation: Rusting and oxidation change the chemical structure of rocks, leading to gradual breakdown.
3. What are the two main types of weathering?
A. Underground & surface
B. Heat & erosion
C. Chemical & physical
D. Land & water
✅ CORRECT ANSWER: C
Explanation: Weathering occurs in two key forms: physical (mechanical) and chemical (decomposition through reactions).
4. What is the Sahel region known for?
A. Heavy rainfall
B. Dense forests
C. Low rainfall and semi-arid climate
D. High population density
✅ CORRECT ANSWER: C
Explanation: The Sahel region has limited rainfall and lies between the Sahara Desert and savannah areas.
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5. What is desertification?
A. Creation of new forests
B. Expansion of desert conditions into non-desert areas
C. Increase in population
D. Growth of crops
✅ CORRECT ANSWER: B
Explanation: Desertification occurs due to overgrazing, deforestation, and poor rainfall — turning fertile land into desert.
6. Which of the following BEST defines a desert?
A. Land with many lakes
B. Thick rainforest area
C. Region with very low rainfall
D. Place with no soil
✅ CORRECT ANSWER: C
Explanation: Deserts receive less than 250 mm of rainfall yearly, making plant and animal life difficult to sustain.
7. Why is the Sahel region often underpopulated?
A. Too many rivers
B. Harsh climate and poor rainfall
C. Very fertile soil
D. Abundant industries
✅ CORRECT ANSWER: B
Explanation: Limited water and harsh climatic conditions make farming and settlement difficult.
8. What factor mostly affects the climate of the Sahel?
A. Human activities only
B. Low rainfall and dry winds
C. Thick vegetation
D. Volcanic eruptions
✅ CORRECT ANSWER: B
Explanation: Lack of rain and hot dry winds contribute heavily to the Sahel’s climate.
9. What problem occurs when rainfall is inadequate?
A. Increased tourism
B. Poor farming and food shortage
C. Higher employment
D. Flooding
✅ CORRECT ANSWER: B
Explanation: Crop failure happens when rainfall is too low, leading to hunger and migration.
10. Why are minerals important to the economy?
A. They cause deforestation
B. They increase rainfall
C. They reduce population
D. They create jobs and support industries
✅ CORRECT ANSWER: D
Explanation: Minerals boost a country’s economy by providing income, employment, export earnings, and industrial growth.
Watch the full tutorial here: FULL TUTORIAL
Conclusion
Understanding concepts like weathering, desertification, and climate helps you answer Geography questions easily in any exam. Keep practicing — your A-grade is achievable with smart revision like this!
Keywords
likely geography exam questions
WAEC geography past questions and answers
Sahel region climate and features
desertification explained
chemical weathering examples
Credit: Allschool, Allcbt
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