Which of the following is incorrect about the inner core?

1. It is in a molten state.
2. It is a region of high density.
3. It is a region of high pressure.
4. It is composed of iron and nickel.

At the depth of around 100-410 km, mantle is partially molten and is known as:

1. Asthenosphere
2. Mantlenosphere
3. Moltenosphere
4. None of the above

Name the mantle-core interface where primary seismic waves slow down and secondary seismic waves disappear completely.

1. Gutenberg Discontinuity
2. Mantlic Discontinuity
3. Core Discontinuity
4. Mohorovicic Discontinuity

Name the boundary between the crust and the mantle which has characteristics of both layers.

1. Gutenberg Discontinuity
2. Crust Discontinuity
3. Mantlic Discontinuity
4. Mohorovicic Discontinuity