DISTRIBUTION OF OCEANS AND CONTINENTS

Question 1

1st proposed the possibility of joined continents

Answer 1

Abraham Ortelius,

Question 2

Drew a map showing 3 continents together

Answer 2

Antonio Pellegrini

Question 3

COntinental drift theory

Answer 3

Alfred Wegener

Question 4

Evidence in Support of the Continental Drift

Answer 4

The Matching of Continents (Jig-Saw-Fit)
Rocks of Same Age Across the Oceans
Tillite
Placer Deposits
Distribution of fossils

Question 5

It is the sedimentary rock formed out of

deposits of glaciers

Answer 5

Tillite

Question 6

Lemuria

Answer 6

Continuous landmass of India, Madagasker and Africa where Lemurs are found

Question 7

Forces as per Alfred Wegener

Answer 7

Pole fleeing force and tidal force

Question 8

Convectional current theory

Answer 8

Arthur Holmes

Question 9

Continental margins comprise of

Answer 9

Continental shelf, continental slope , continental rise and deep oceanic trenches

Question 10

Abyssal Plains

Answer 10

These are extensive plains that lie between the

continental margins and mid-oceanic ridges

Question 11

It is the longest mountain-chain on the surface of the
earth though submerged under the oceanic
waters.

Answer 11

mid-oceanic ridges

Question 12

Mid-Oceanic Ridges

Answer 12

This forms an interconnected chain of

mountain system within the ocea

Question 13

Sea floor spreading theory by

Answer 13

Hess

Question 14

Plate tectonic theory

Answer 14

was in 1967, McKenzie and Parker and also Morgan,

Question 15

Cocos plate :

Answer 15

Between Central America and Pacific plate

Question 16

Nazca plate :

Answer 16

Between South America and Pacific plate

Question 17

Arabian plate :

Answer 17

Mostly the Saudi Arabian landmass

Question 18

Philippine plate :

Answer 18

Between the Asiatic and Pacific plate

Question 19

Caroline plate :

Answer 19

Between the Philippine and Indian plate (North of New Guinea

Question 20

Fuji plate :

Answer 20

North-east of Australia

Question 21

location were sinking of a plate occurs is called

Answer 21

a subduction zone.

Question 22

where new crust is generated

Answer 22

Divergent boundary

Question 23

Slowest

Answer 23

Artic ridge

Question 24

fastest rate of plate movement

Answer 24

East pacific Rise near Easter Island, in the South Pacific

Question 25

Heat within the earth comes from two main sources: r

Answer 25

adioactive decay and

residual heat.

Question 26

Tethys sea seperated

Answer 26

Eurasian plate and Indian subcontinent