The average thickness of the Earth's outermost layer, the Earth's crust, is about
17 km
18 km
27 km
07 km
The temperature within the Earth increases with depth at rate of
10c for every 23m of depth
30c for every 32m of depth
0.10c for every 32m of depth
10c for every 32m of depth
Density of the mantle varies between
3.0 gm/cm3 and 3.7 gm/cm3
5.5 gm/cm3 and 5.0 gm/cm3
3.3 gm/cm3 and 5.5 gm/cm3
3.0 gm/cm3 and 5.5 gm/cm3
Choose the correct statement
SIAL is in solid state, SIMA is in liquid state.
SIMA is less denser than SIAL
SIMA "floats" on SIAL
The lighter SIAL is considered as "floating" on denser SIMA layer.
The Gutenberg Discontinuity is
The boundary between the Mantle and the core
The boundary between crust and mantle
The boundary between inner core and outer core
The boundary between Bary Sphere and Mesosphere
The average density of SIMA layer is about
5.3 gm/cm3
35 gm/cm3
3.0 gm/cm3
3 mgm/cm3
The composite zone inhabited by most living creature is called
Atmosphere
Lithosphere
Hydrosphere
Biosphere
The average density of SIAL layer of earth is
7.5 gm/cm3
2.7 gm/cm3
72 gm/cm3
2.7 mgm/cm3
According to plate tectonics great Himalayas formed when
Europe collided with Africa
Asia 'ran' into India
South America collided with Antartica
Laurasia collided with Gondwana land
The formation of mountains are the result of
Divergent boundaries
Convergent boundaries
Transform fault boundaries
Earth quakes
