1. Fast blowing westerlies in upper part of Troposphere.
2. Ocean current
3. Monsoon winds
4. None of these
Option “1” is correct. Jet stream is fast blowing westerlies in upper part of troposphere. Jet streams are fast flowing, narrow air currents found in the atmospheres of some planets, including Earth.
Option “1” is correct. Tropical cyclones in Australia are called Willy-willy. Willy-willy is a small windstorm that mostly occurs in dry, outback areas. The term Willy-Willy is of Aboriginal origin. Willy willies are normally tropical cyclones.
183. Which of the following continents has the smallest land area?
1. Antarctica
2. Australia
3. North America
4. South America
Option “2” is correct. Australia with 2,967,909 square miles (7,686,884 square km) total area, is the smallest Continent.
184. The Yellow river passes through which country?
1. Russia
2. China
3. USA
4. Australia
Option “2” is correct. Yellow river passes through China.
185. Sunderbans Tiger Reserve is in which state?
1. Odisha
2. Andhra Pradesh
3. Assam
4. West Bengal
Option “4” is correct. Sunderban National Park is a world heritage site, tiger reserve and biosphere reserve located in the Sunderban delta of West Bengal in India.
186. What is the approximate circumference of earth?
1. 40,000 Km
2. 60,000 Km
3. 80,000 Km
4. 1,00,000 Km
Option “1” is correct. The approximate circumference of earth is 40,000 Km.
187. n terms of size, Mars ranks no. ___ in our Solar System.
1. 5
2. 6
3. 7
4. 8
Option “3” is correct. Mars is the 7th largest planet in our solar system.Mars is the fourth planet from the Sun and the seventh largest. Mars is also referred to as the Red Planet.
188. Which of the following region is covered by tropical evergreen forest?
1. Eastern Ghat
2. Vindhyanchal
3. Aravalli
4. Western Ghat
Option “4” is correct. In India, tropical evergreen forests are found in the western slopes of the Western Ghats in States such as Kerala and Karnataka.
189. The final boundary between the Earth and the outer space is called _____.
1. Magnetosphere
2. Ionosphere
3. Mesopause
4. Karman line
Option “4” is correct. Karman line, lies at an altitude of 100 km above Earth’s sea level and commonly represents the boundary between Earth’s atmosphere and outer space.
190. Which neighbouring country of India is also reffered as ‘Druk Yul’?
1. Myanmar
2. Maldives
3. Bhutan
4. Afghanistan
Option “3” is correct. Bhutan is called Druk Yul – Land of Thunder Dragon. Because of the violent and large thunderstorms that whip down through the valleys from the Himalayas, Bhutan is known as the Land of Thunder Dragon.
