UPSC CDS/OTA

Oceanography

General Studies

COMPLETE TOPIC GUIDE

Oceanography

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Questions

30

Time

30 min

Marks

30

Solutions

All inline

Q1Which one of the following is the deepest part of the world’s oceans?MediumSolve →Q2Consider the following statements: The mid-oceanic ridge represents a divergent plate boundary. It is associated with high volcanic activity.Which of the statements given above is/are correct?MediumSolve →Q3The process by which warm surface water is replaced by cold nutrient-rich water from deeper layers is known as:MediumSolve →Q4Statement: The continental shelf is wider on the Atlantic coast than on the Pacific coast. Is this statement correct?MediumSolve →Q5Which ocean current is warm and significantly affects the climate of Western Europe?MediumSolve →Q6Which among the following is the largest ocean in the world by area?MediumSolve →Q7Consider the following pairs: Peru Current – Cold Kuroshio Current – Warm Benguela Current – WarmWhich of the pairs is/are correctly matched?MediumSolve →Q8Which one of the following features is NOT associated with ocean basins?MediumSolve →Q9Statement: Thermohaline circulation is driven by differences in temperature and salinity of seawater. Is the statement correct?MediumSolve →Q10Which of the following are characteristics of El Niño? Warming of sea surface temperatures in the central and eastern Pacific Ocean. Suppression of upwelling off the coast of Peru. Increased fish catch due to nutrient enrichment. Select the correct answer using the codes below:MediumSolve →

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