MCQ practice · SSC Bangladesh and Global Studies Board questions · Chapter 3: The Solar System and the Earth
On the basis of its composition, by what name is the core of the Earth's interior known?
Think it through first, then pick an option.
- a Sima
- b Sial
- c Nial
- d Nife
Answer and explanation
Correct answer: d Nife
The book says that because nickel and iron are abundant, the core is called Nife.
Why the other options are wrong
- a Sima: Sima is the name of the mantle, made of silicon and magnesium.
- b Sial: Sial is the name of the lithosphere, where silicon and aluminium are abundant.
- c Nial: The name Nial is not in the book; the core is called Nife.
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