The Interior of the Earth

As we move towards the inner layer of the earth, the heat:

• Starts Increasing

• Starts decreasing

• Stays as it is

• None of these

The average thickness of the oceanic crust is:

• 35 km

• 5 km

• 70 km

• 50 km

What is the oceanic crust of the earth composed of?

• Liquid nickel

• Silica

• Iron

• Magnesium

• Aluminum

What is the thickest layer of the Earth?

• Crust

• Mantle

• Inner core

• Outer core

The average thickness of the mantle is:

• 2800 km

• 2700 km

• 3000 km

• 2900 km

Which layer is also known as barysphere?

• Crust

• Mantle

• Core

• None of these

What are the different types of sedimentary rocks?

• Mechanically formed rocks

• Physically formed rocks

• Organically formed rocks

• Chemically formed rocks

What does the Latin word 'ignis' mean?

• Lava

• Fire

• Heat

• None of these

Which of the following is an extrusive igneous rock?

• Marble

• Basalt

• Granite

• Dolerite

• Gabbro

What rock was used to build the agra fort?

• Granite

• Marble

• Sandstone

• Basalt