KAS: Paper-I (F)1. General Geography — Solar System, Motion of Earth, Landforms, Atmosphere & Climate, Oceans, Hydrological Disasters

Match the following: List I List II (Longitudes) (Dates) a. Prime Meridian 1. 180o longitude b. Tropic of Cancer 2. 231/2o N latitude c. International Date Line 3. 0o longitude d. Arctic Circle 4. 231/2o S latitude e. Tropic of Capricorn 5. 661/2o N latitude a b c d e

A ship sailing from the eastern extremity of the Aleutian Islands to Dutch Harbour crosses 180o meridian at 23.30 hrs on January 1, 1999. What time and date will be recorded by the captain of the ship in his diary after one-hour journey from the point of crossing of the meridian?

Assertion (A): A Karst topography is characterized by the formation of stalactites and stalagmites. Reason (R): Solution is a dominant process in the development of land forms in Karst Region.

Consider the following statements about the "Roaring Forties". I. They blow uninterrupted in the Northern and Southern Hemisphere. II. The blow with great strength and constancy. III. Their direction is generally from North-West to East in the Southern Hemisphere. IV. Overcast skies, rain and raw weather are generally associated with them. Which of these statements are correct?

For short-term climatic predictions, which one of the following events, detected in the last decade, is associated with occasional weak monsoon rains in the Indian sub-continent?

Assertion (A): Anti-cyclonic conditions are formed in winter season when atmospheric pressure is high and air temperatures are low. Reason (R): Winter rainfall in Northern India causes development of anti-cyclonic conditions with low temperature.

Consider the following statements regarding the Saharan dust. 1. The Saharan dust : fertilize the Amazon rainforest. 2. It provides mineral nutrients for phytoplankton in the Atlantic Ocean. 3. It helped to build beaches across the Caribbean after being deposited for thousands of years. 4. The Saharan dust : do not play any role in determining the intensity of hurricanes in the Atlantic Ocean. Which of the statements listed above are true?

Consider the following statements: 1. One of the largest flooded areas was those adjacent to the backwaters along the coast. Areas adjoining these wetlands that are normally flood-free were flooded to a large extent. 2. The outlets to the sea, (pozhis/sand banks and spillways), did not have the capacity to evacuate high flood flows from the rivers, as they occurred, into the sea and thereby aggravating the floods. 3. The flood situation in the coastal areas was intensified by the perigean spring tide, during 11–15 August 2018. 4. Sustained strong onshore winds, resulting in abnormally high sea levels, hampered river outflow into the sea and intensified the flood. Which among the following statements, listed above, are true with regard to the Kerala floods of August 2018?