Layers of the Earth

Q.

What is the solid portion of the Earths surface called?

Q. The second layer of the earth is called _____.

1. crust
2. mantle
3. core
4. lithosphere

Q. Depth of the mantle extends up to a depth of _____ below the surface of the earth.

1. 2, 200 km
2. 2, 500 km
3. 2, 400 km
4. 2, 900 km

Q.

What are the different layers of the earth?

Q. The crust forms approximately _____ percent of the earth's volume.

1. one
2. twenty
3. fifteen
4. eighty

Q. Which of the following is the thickest part of the Earth?

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

Q. The radius of the central core of the earth is approximately _________.

1. 3200 km
2. 3500 km
3. 3300 km
4. 3600 km

Q.

Which of the following is the correct sequence of layers from the outermost surface of the earth to its center?

Q. The mantle forms approximately _______ per cent of the earth's volume.

1. twenty
2. one
3. eighty four
4. fifteen

Q. The temperature of the earth's core is _____.

1. high
2. moderate
3. very high
4. low

Q. Which of the following statements is/are correct?
Statement I: The inner core of the Earth is as hot as surface of the Sun.
Statement II: Nickel and Iron are the metals found in the inner core.

1. Only statement I is correct.
   
2. Only statement II is correct.
   
3. Both statements are incorrect.
   
4. Both statements are correct.