MCQ practice · SSC Bangladesh and Global Studies Board questions · Chapter 4: The Topography and the Climate of Bangladesh
What is the main cause of a tsunami?
Think it through first, then pick an option.
- a An earthquake
- b A flood
- c A sea current
- d A volcanic eruption
Answer and explanation
Correct answer: a An earthquake
The book says the shock of an earthquake makes the sea recede and return as a high wave: a tsunami.
Why the other options are wrong
- b A flood: Floods come from rivers; a tsunami comes from an earthquake.
- c A sea current: In the book the cause is an earthquake, not a sea current.
- d A volcanic eruption: In the book the cause of a tsunami is an earthquake.
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