World Geography MCQs Archives

161. The thickness of biosphere is

A. 8-10 km above the earth’s surface

B. 5-8 km above the earth’s surface

C. 5-10 km above the earth’s surface

D. 10-12 km above the earth’s surface

✅ The correct answer is option A.
The thickness of biosphere is 8-10 km above the earth’s surface.

162. The phosphate are a group of minerals of one or more metallic elements chemically associated with the phosphate compound ____

A. PO4

B. PO3

C. PO2

D. PO

✅ The correct answer is option A.
The phosphate are a group of minerals of one or more metallic elements chemically associated with the phosphate compound PO4.

163. The process that explains the recent changes in the height of sea level in coastal areas of eastern and northern Canada and Scandinavia is

A. isostasy

B. continental drift

C. plate tectonics

D. None of the above

✅ The correct answer is option A.
The process that explains the recent changes in the height of sea level in coastal areas of eastern and northern Canada and Scandinavi is isostasy.

164. The most notable example of a tectonic valley is that of the

A. Doon valley

B. Kashmir valley

C. plains of Aksai Chin

D. None of the above

✅ The correct answer is option B.
The most notable example of a tectonic valley is that of the Kashmir valley.

165. The major countries of 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.

✅ The correct answer is option D.
All of the above.

166. The main types of air mass include maritime tropical(mT) maritime polar(mP) maritime arctic(mA)continental polar(cP)

A. All of the above

B. I, II, III

C. I, IV

D. I, II

✅ The correct answer is option A.
All of the above

167. The most recent era of the geological time scale is

A. Mesozoic

B. Cenozoic

C. Triassic

D. Paleocene

✅ The correct answer is option B.
The further subdivision of the eras into 12 “periods” is based on identifiable but less profound changes in life-forms. In the most recent era, the Cenozoic, there is a further subdivision of time into epochs.

168. The major events of Pre-Cambrian era include

A. formation of crust, continents and oceans

B. formation of crust, birth of oldest known rock, origin of life

C. formation of present day atmosphere

D. All of the above.

✅ The correct answer is option D.
All of the above.

169. The meridian passing through London is called the

A. equator

B. Tropic of Cancer

C. Prime Meridian of 0° Meridian

D. Tropic of Capricorn

✅ The correct answer is option C.
The meridian passing through London is called the prime meridian.

170. The type of igneous rock that form from magma is a function of

A. the chemical composition of the magma

B. temperature of solidification

C. the rate of cooling, which influences the crystallisation process

D. All of the above

✅ The correct answer is option D.
All of the above