Test Completed!
Answer Review
Q1
The Mohorovicic (Moho) discontinuity separates which two layers of the Earth? (RRB NTPC (Graduate 2024))
A
Upper Crust and Lower Crust
B
Crust and Mantle
C
Mantle and Core
D
Outer Core and Inner Core
Q2
Which layer accounts for the largest proportion of the Earth’s total volume (approximately 84%)? (RRB NTPC (Graduate 2025))
A
Crust
B
Mantle
C
Outer Core
D
Inner Core
Q3
What are the primary chemical constituents that make up the Earth’s continental crust? ( RRB ALP 2025)
A
Silica and Magnesium
B
Silica and Aluminium
C
Nickel and Iron|
D
Magnesium and Iron
Q4
The ‘Asthenosphere’, which is the main source of magma during volcanic eruptions, is located in which part of the Earth? (RRB NTPC (UG 2024))
A
Lower Crust
B
Upper Mantle
C
Outer Core
D
Inner Core
Q5
What is the physical state of the Earth’s Outer Core? ( RRB NTPC (Graduate 2025))
A
Solid
B
Liquid (molten)
C
Gaseous
D
Plasma
