Option “4” is correct. Patagonian desert is a temperature desert. The Patagonian Desert, also known as the Patagonia Desert or the Patagonian Steppe, is the largest desert in Argentina and is the 7th largest desert in the world by area.
172. The deepest lake of the world is
1. Baikal
2. Crater
3. Nyasa
4. Tanganyika
Option “1” is correct. The deepest lake of the world is Baikal. Lake Baikal is a rift lake in the south of the Russian region of Siberia.
173. Which one of the following is an example of a block mountain?
1. Aravalli
2. Andes
3. Vosges Mountain
4. Caucasus
Option “3” is correct. Vosges mountain is an example of a block mountain.
174. The biggest island of the Indian Ocean is-
1. Maldives
2. Madagascar
3. Lakshadweep
4. Sumatra
Option “2” is correct. The biggest Island of the Indian ocean is Madagascar. Madagascar, officially the Republic of Madagascar and previously known as the Malagasy Republic, is an island country in the Indian Ocean, off the coast of Southeast Africa
175. Which one of the following ocean currents is different from others?
Option “4” is correct. Labrador is different from other ocean currents. It is cold in nature. The Labrador Current is a cold current in the North Atlantic Ocean which flows from the Arctic Ocean south along the coast of Labrador and passes around Newfoundland, continuing south along the east coast of Nova Scotia.
176. In which of the following eras the earth was nearly covered with snow and ice?
1. Cretaceous Era
2. Pliocene Era
3. Pleistocene Era
4. Tertiary Era
Option “3” is correct. The earth was nearly covered with snow and ice in pleistocene Era. The Pleistocene is the geological epoch which lasted from about 2,588,000 to 11,700 years ago, spanning the world’s recent period of repeated glaciations.
177. Ox-bow lake is a feature formed by-
1. River erosion in youthful stage
2. Transportation action of the river
3. River erosion in mature stage
4. Deposition in old stage of a river
Option “3” is correct. Ox-bow lake is a feature formed by River erosion in mature stage. An ox-bow is a crescentshaped lake lying alongside a winding river. The ox-bow lake is created over time as erosion and deposits of soil change the river’s course.
178. Which one of the following local winds is different from the other three?
1. Khamsin
2. Foehn
3. Sirocco
4. Mistral
Option “4” is correct. Mistral the local wind is different from the others. The mistral is a strong, cold and usually dry regional wind in France, coming from the north or northwest, which accelerates when it passes through the valleys of the Rhone and the Durance Rivers to the coast of the Mediterranean around the Camargue region.
179. Which one of the following is not a tropical desert?
1. Atacama
2. Arabia
3. Gobi
4. Kalahari
Option “3” is correct. Gobi is not a tropical desert. It is a temperate desert partly located in northern China and partly in Mongolia.
180. Among oceanic trenches the deepest trench is-
