Formation of Earth

Question 1

who gave the concept of continental drift

Answer 1

Alfred wagner

Question 2

what is the name of the book authored by Alfred wagner regarding continental drift theory

Answer 2

the origin of the continents and oceans in 1915

Question 3

what is the name of the supercontinent the single landmass

Answer 3

Pangea

Question 4

what is the name of the mega ocean

Answer 4

Panthalassa

Question 5

what are the two divisions of pangea

Answer 5

Laurasia- North side( North america , Europe and Asia except India deccan region
Gondwana - south side(south america, africa , australia and deccan India)

Question 6

who gave the Tectonic theory

Answer 6

Mckenzie and parker

Question 7

the ductile layer of the upper mantle is known as

Answer 7

Asthenosphere

Question 8

Tectonic plates are present in

Answer 8

crust and upper mantle - lithosphere

Question 9

lithosphere plates are classified into two types

Answer 9

minor plates and major plates
continental plates

Question 10

what are the seven major plates of the world

Answer 10

1. Antartica plate
2. North american plate
3. South american plate
4. Pacific plate
5. Indian australian and newzealand plate
6. African plate with Antartica floor plate
7. Eurasian plate

Question 11

what are the three types of movements

Answer 11

1. divergent movements
2. convergent movements
3. transform movements