UPSC Level 2 Geography Pre Quiz #40

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#1 Consider the following statements about tropical cyclone: 1. It is characterised by a low-pressure centre. 2. In this, counter clockwise wind flow in the Northern Hemisphere and clockwise wind flow in the Southern Hemisphere. 3. It was a warm core storm system. Which of the above statements are correct?

#2 Upwelling is an oceanographic phenomenon that involves motion of dense, cooler and usually nutrient-rich water towards the ocean surface driven by?

#3 Which of the following are the causes of upwelling in the oceans? 1. Wind 2. Coriolis force 3. Density shifts 4. Ekman transport Select the correct answer using the codes given below:

#4 Which of the following are the causes of upwelling in the oceans? 1. Wind 2. Coriolis force 3. Density shifts 4. Ekman transport Select the correct answer using the codes given below:

#5 Which of the following cannot be the outcome of global warming? 1. The frequency of hot extremes, heat waves and heavy precipitation will very likely decreases. 2. The most warming will be at high Northern latitudes and least warming over the Southern ocean and parts of the North Atlantic ocean. 3. Increased coastal flooding. 4. Climate change so far includes adverse effects on small islands, adverse effects on indigenous populations in high-latitude areas. Select the correct answer using the codes given below:

#6 Which of the following indicates the correct sequences of the topographical features beneath the surface of the sea?

#7 What would happen if phytoplankton of an ocean is completely destroyed for some reason? 1. The ocean as a carbon sink would be adversely affected. 2. The food chains in the ocean would be adversely affected. 3. The density of ocean water would drastically decrease. Select the correct answer using the codes given below:

#8 At night, the winds generally die out. This is because

#9 Which of the following statements about the trade winds are not true?

#10 Which of the following conditions occur during an EINino? 1. Trade winds are weakened in the Eastern Pacifc. 2. Up-welling across the coast of Peru is suppressed and warm surface water remains across the coast. 3. Air pressure rises over large areas of the South-East pacifc, while pressure drops over Western Pacifc. 4. Release of H 2S in the water off the coast of Peru.

#11 Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere. 2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. Which of the statements given above is/are correct ?

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