Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Lithospheric plates move around very slowly – just a few millimetres each year. What is the reason behind this movement?
Ocean currents
Movement of magma inside earth
Formation of folds on earth’s crust
Rotation of earth
Fossils of ancient living things are best preserved in
Igneous rocks
Sedimentary rocks
Metamorphic rocks
Crystalline igneous rocks
Metamorphic rocks are formed due to
1. Cementation of sedimentary rocks
2. Close proximity of sedimentary rocks with molten magma
3. Cooling and solidification of lava
Select the correct answer using the codes below.
1 only
2 and 3 only
2 only
1 and 2 only
‘Hot Spots’ within the earth help produce Geothermal Energy. What are these ‘Hot Spots’?
Areas of intense pressure inside the mantle
Region in crust where hot molten rocks are trapped
Regions of high volcanism on earth’s surface
Areas of intense magnetic activity within the upper mantle
The fine dust blown beyond the desert limits is deposited on neighbouring lands as ‘X’. It is a yellow, friable material and is usually very fertile. ‘X’ can be?
Seifs
Ventifacts
Zeugen
Loess
