36. The mean surface temperature of the sun is estimated to be of the order of

A. 5500 °C
B. 4000 °C
C. 2000 °C
D. 1000 °C

37. Which of the following is an inland sea?

A. Caribbean Sea
B. Caspian Sea
C. Red Sea
D. Yellow Sea

38. The most densely populated country of Africa is

A. Mauritius
B. Rwanda
C. Burundi
D. Sierra Leone

39. The major countries of the Middle East are

A. Iran, Iraq, Oman, Qatar, Saudi Arabia, Kuwait
B. UAE, Jordan, Syria, Lebanon, Yemen
C. Israel, Turkey, Cyprus, Afghanistan
D. All of the above.

40. The most recent and logical concept regarding the origin of ocean basins and continents is that of

A. Continental data
B. Conventional current
C. Plate tectonic
D. Cooling process