MCQ Chapter 5 Geography Class 8 Maharashtra Board MCQ For All Chapters – Geography Class 8OCEAN CURRENTS 1. What happens to ocean currents as they reach higher latitudes?They slow downThey speed upThey disappearThey change directionQuestion 1 of 202. What is the primary reason for thermohaline circulation?Tidal forcesEarth’s rotationDifferences in temperature and salinityWind patternsQuestion 2 of 203. Which cold ocean current flows near the western coast of North America?Gulf StreamLabrador CurrentCalifornia CurrentAgulhas CurrentQuestion 3 of 204. What is the primary impact of ocean currents on hurricanes?They weaken hurricanesThey have no effectWarm currents intensify hurricanesCold currents create hurricanesQuestion 4 of 205. How does the Labrador Current impact the fisheries near Canada?It increases fish populationsIt reduces fish populationsIt prevents fish from breedingIt causes fish to migrate to warmer watersQuestion 5 of 206. What is the primary reason the Grand Banks is a rich fishing ground?High temperatureMeeting of warm and cold currentsStrong tidesLack of predatorsQuestion 6 of 207. Which of the following currents is an example of a warm ocean current?Labrador CurrentCanary CurrentGulf StreamCalifornia CurrentQuestion 7 of 208. Why do deserts often form along coasts where cold currents flow?Cold currents prevent rainfallCold currents increase evaporationCold currents create strong windsCold currents increase humidityQuestion 8 of 209. What is the primary role of the Antarctic Circumpolar Current?It transports warm water to AntarcticaIt keeps Antarctica isolated from warmer watersIt brings icebergs to the equatorIt causes monsoonsQuestion 9 of 2010. What is the general direction of movement for the Gulf Stream?Northward along the U.S.east coast, then eastwardSouthward along the U.S.west coastWestward along the European coastEastward along the U.S.west coastQuestion 10 of 2011. What is the effect of ocean currents on coastal climates?They have no effectThey moderate temperaturesThey cause extreme temperature fluctuationsThey make coastal areas drierQuestion 11 of 2012. Which current is responsible for keeping Western Europe warmer than other regions at the same latitude?California CurrentGulf StreamLabrador CurrentCanary CurrentQuestion 12 of 2013. What happens when ocean currents flow opposite to prevailing winds?It increases ocean current speedIt slows down the ocean currentIt stops ocean currentsIt reverses ocean currentsQuestion 13 of 2014. Why does the Somali Current change direction seasonally?It is influenced by monsoon windsIt is controlled by earthquakesIt is affected by volcanic activityIt follows the rotation of the EarthQuestion 14 of 2015. How do deep ocean currents help maintain ocean ecosystems?By keeping water stillBy distributing nutrientsBy stopping hurricanesBy increasing ocean salinityQuestion 15 of 2016. What is the impact of ocean currents on marine navigation?They help ships save fuelThey slow down all shipsThey create whirlpools that trap shipsThey make navigation impossibleQuestion 16 of 2017. What effect does the Benguela Current have on the climate of southwestern Africa?It makes the region colder and drierIt increases rainfallIt creates hurricanesIt makes winters extremely hotQuestion 17 of 2018. Why is the movement of ocean currents described as a "global conveyor belt"?Because they transport ocean water around the worldBecause they move only in a straight lineBecause they operate on a fixed scheduleBecause they transport solid materialsQuestion 18 of 2019. What role do ocean currents play in the carbon cycle?They have no effectThey transport carbon dioxide between the atmosphere and deep oceanThey release carbon into spaceThey prevent carbon from dissolving in waterQuestion 19 of 2020. Which factor does NOT influence the speed of ocean currents?Earth's rotationDepth of the ocean floorSalinity of waterColor of ocean waterQuestion 20 of 20 Loading...
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