DEFENCE CT 8: World Geography (Distribution of rainfall & Cyclones) Welcome to your DEFENCE CT 8: World Geography (Distribution of rainfall & Cyclones) Question No. 1 The most abundant constituent in air is _________. A. Oxygen B. Water C. Nitrogen D. Carbon dioxide None Question No. 2 Consider the following statements regarding Air Masses:1. Rotation of the earth also affects the wind movement.2. The air is set in motion due to the differences in atmospheric pressure.3. Tropical air masses are cold and polar are warm.Which of the following statements given above is/are correct? A. 2 and 3 only B. 1 and 3 only C. 1 and 2 only D. All are correct None Question No. 3 What is the main cause behind the rotation of Tropical Cyclone? A. Upward Thrust B. Gravitational Pull C. Frictional Force D. Coriolis Force None Question No. 4 When two different air masses meet, the boundary zone between them is a ______. A. Front B. Fault C. Current D. Cyclone None Question No. 5 5. Match the columns. Names of Cyclones Water body from where they developed i. Cyclone Tauktae a. Bay of Bengal ii. Cyclone Yaas b. Gulf of Mexico iii. Hurricane Katrina c. Arabian Sea iv. Hurricane Ingrid d. Atlantic Ocean A. i-d, ii-c, iii-b, iv-a B. i-c, ii-a, iii-d, iv-b C. i-c, ii-d, iii-b, iv-a D. i-c, ii-d, iii-a, iv-b None Question No. 6 A form of solid precipitation consisting of large pellets or spheres of ice balls is known as ____. A. Hail B. Sleet C. Drizzle D. Frost None Question No. 7 Heavy downpore rainfall occurs from which clouds ? A. Cumulus clouds B. Nimbo-stratus clouds C. Cumulo-nimbus clouds D. Stratus clouds None Question No. 8 In the context of Extra-tropical cyclones in the Northern Hemisphere, consider the following statement: 1. They can originate only over the sea. 2. Their approach is marked by a fall in the temperature and thin veil of cirrus clouds. Which of the above-given statements is/are correct? A. 1 only B. 2 only C. Both 1 and 2 D. Neither 1 nor 2 None Question No. 9 Why does fog occur most often in urban areas than in the rural areas of same latitude? A. The wind speeds in rural areas is lower, which is not favourable for the formation of fog. B. The pollution in urban areas provide plenty of nuclei that helps the formation of fog. C. The urban heat causes low relative humidity that aids the formation of fog. D. The presence of high amount of aerosols in rural areas limit the formation of fog. None Question No. 10 Which one of the following statements with regard to Jet stream, an upper level troposphere wave, is not correct? A. It is a narrow band of high-velocity wind. B. It follows the wave path near the tropopause at elevations of 8 km to 15 km. C. Jet streams are typically continuous over long distances. D. In summer, the polar front jet achieves its maximum force. None Time's up