Question 1

Who proposed the Continental Drift Theory?

Accepted Answer

Alfred Wegener proposed the Continental Drift Theory in 1912, suggesting that all continents were once joined together in a single supercontinent called Pangaea.

Question 2

What was the name of the mega-ocean that surrounded the supercontinent Pangaea?

Accepted Answer

Panthalassa was the huge ocean that surrounded the single supercontinent Pangaea according to Alfred Wegener's Continental Drift Theory.

Question 3

Pangaea first broke into two large continental masses known as:

Accepted Answer

Pangaea broke into two large masses: Laurasia in the north and Gondwanaland in the south, separated by the Tethys Sea.

Question 4

According to Wegener, what forces were responsible for the drifting of continents?

Accepted Answer

Wegener suggested that pole-fleeing force (due to earth's rotation) and tidal force (due to the moon and sun) were responsible for continental drift.

Question 5

Which of the following is NOT a major evidence supporting Wegener's Continental Drift Theory?

Accepted Answer

Convection current theory is not part of Wegener's evidence; it was later proposed by Arthur Holmes to explain the mechanism of plate tectonics.

Distribution of Oceans and Continents — NCERT Class 11 Geography Important Questions & Revision Notes