Layers of the Earth MCQ Questions and Answers for Practice

1. About 80 % of Earth's volume is found in this layer

1. outer core
2. inner core
3. mantle
4. crust

2. All of the following elements are commonly found in Earth's crust EXCEPT

1. silicon
2. iron
3. calcium
4. oxygen

3. Alps mountains and Himalayas are classic examples of process of

1. plate owning
2. plate tectonics
3. plate convection
4. folding

4. Complete this sentence: As you go deeper inside the Earth

1. it gets hotter, materials get denser and pressure increases
2. its gets cooler, drier, and easier to travel
3. the temperature stays the same, but the pressure increases
4. the temperature increases but the presure decreases

5. First layer of Earth on which we live is

1. Outer Core
2. Inner Core
3. Crust
4. Mantle

6. Inner and outer core of the Earth Structure is enrich in

1. copper and gold
2. gold and platinum
3. nickel and gold
4. copper and nickel

7. Plate's move towards each other in

1. compression boundary
2. conservative boundary
3. tensional boundary
4. divergent boundary

8. Point where two plates meet each other is classified as

1. plate tectonics
2. plate boundary
3. plate convection
4. plate contraction

9. What are the two main types of crust?

1. solid and liquid
2. thik and thin
3. continental and oceanic
4. lithosphere and aesthenosphere

10. What does molten mean?

1. liquid
2. solid
3. hot
4. gas

11. What is the heat source for convection currents?

1. mantle
2. crust
3. inner core
4. asethenosphere

12. Which layer is made up of liquid iron?

1. inner core
2. outer core
3. mantle
4. crust

13. Which layer is made up of mostly oxygen and silicon?

1. aesthenosphere
2. mantle
3. lithsophere
4. crust

14. Which of the following statements is NOT true about continental crust?

1. it can be found beneath the ocean
2. it is upto 100km thick
3. it forms the continents
4. it is thicker and less dense than oceanic trust

15. Which of these is an element commonly found in solid form within Earth's crust?

1. copper
2. bronze
3. steel
4. nitrogen