1)  Proponent of the continental drift theory is:

A) Herodotus

B) Mathew Flinders

C) Amerigo Vespucci

D) Alfred Wegener

Alfred Wegener, a German meteorologist, proposed the Continental Drift Theory (1912). He argued that continents were once joined in a supercontinent (Pangaea) and have since drifted apart, citing the jigsaw fit of coastlines (e.g., South America–Africa), fossil correlations, matching rock formations, and paleoclimatic evidence.

Herodotus was a Greek historian; Mathew Flinders a British navigator/cartographer; Amerigo Vespucci an Italian explorer—none formulated continental drift.

Ans)  D) Alfred Wegener


2)  Which following diseases has been nick named as ‘Blue death’?

A) Ebola

B) AIDS

C) Plague

D) Cholera

Cholera epidemics were historically called the “Blue Death” because severe dehydration leads to cyanosis (bluish skin), sunken eyes, and a gray-blue appearance.

Plague is known as the Black Death.

Ebola and AIDS don’t carry the “Blue Death” nickname.

Ans) D) Cholera