Which types of volcanic eruptions have caused Deccan trap formations?
Caldera
Shield
Flood Bassalt Province
None of these
Name the instrument which is used to record the earthquake waves reaching the surface
Seismograph
Seismometer
Seismogram
The gravitational force is ---------------- near the poles and ------------- at the equator.
greater, less
less, greater
less, less
Temperature and pressure --------------- with the increasing distance from the surface of the earth towards the interior
remain same
increases
decreases
Name the scale used for measuring the damage caused by the earthquake?
Desruction Recorder
Richter scale
Mercalli scale
Which one of the following describes the lithosphere
Crust and upper mantle
Upper and lower mantle
Crust and core
Name the most explosive volcanoes?
Shield volcano
Composite volcano
------------ is the molten rock material found in the upper mantle.
Lava
Magma
The point at which an earthquake occurs is known as the ---------------.
focus
epicenter
Hypercentre