Which layer of the Earth is composed mainly of nickel and iron? MCQ with Answer and Explanation

Which layer of the Earth is composed mainly of nickel and iron?
A. Crust
B. Lithosphere
C. Mantle
D. Core
Answer: Option D
Solution (By JKSSB Mock Tests)
The Earth's core is primarily composed of nickel and iron (NiFe). It is divided into the outer core and inner core and is the hottest part of the Earth.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Physical Geography Questions

Question #1
Which is the world's highest navigable lake?
A. Lake Titicaca
B. Lake Baikal
C. Lake Victoria
D. Lake Superior

Correct Answer: Option A


Explanation:
Lake Titicaca is considered the highest navigable lake in the world.

This question belongs to: Geography GK Physical Geography
Question #2
Which layer of the Earth is semi-molten and responsible for plate movement?
A. Asthenosphere
B. Core
C. Lithosphere
D. Crust

Correct Answer: Option A


Explanation:
The asthenosphere is a semi-molten layer beneath the lithosphere that facilitates plate movement.

This question belongs to: Geography GK Physical Geography
Question #3
The Conrad Discontinuity separates:
A. Upper and Lower Crust
B. Outer Core and Inner Core
C. Mantle and Core
D. Crust and Mantle

Correct Answer: Option A


Explanation:
The Conrad Discontinuity is a boundary between the upper and lower continental crust.

This question belongs to: Geography GK Physical Geography