MCQ Chapter 6 Geography Class 11 Maharashtra Board Ocean Resources 1. What is an example of a coral island mentioned in the text?Aldabra IslandsMadagascar IslandHawaiian IslandChagos PlateauQuestion 1 of 202. Why are seamounts of special ecological significance?They are rich in mineral oilThey support communities with high endemismThey are used for tidal energyThey are major fishing groundsQuestion 2 of 203. What is a major biotic resource found in oceans?Manganese nodulesFishNatural gasSodium chlorideQuestion 3 of 204. What is a significant component of the ocean ecosystem besides fish?Oceanic ridgesCoral reefsAbyssal plainsContinental slopesQuestion 4 of 205. What are planktons primarily responsible for in the marine ecosystem?Producing mineralsServing as a food sourceGenerating tidal energyForming oceanic trenchesQuestion 5 of 206. Where is mangrove vegetation found abundantly?Abyssal plainsTropical coastsOceanic trenchesContinental slopesQuestion 6 of 207. What is an example of an animal found in mangrove forests?WhalesTigersPlanktonCoralQuestion 7 of 208. What is a common abiotic resource extracted from the ocean?FishSodium chloridePlanktonSeaweedsQuestion 8 of 209. What mineral forms during the evaporation of seawater?ManganeseGypsumChromitePhosphoriteQuestion 9 of 2010. What is the most important mineral extracted from the sea floor?Manganese nodulesPetroleumGypsumSodium chlorideQuestion 10 of 2011. What is a major challenge in tapping tidal energy?Limited sunlightTechnical difficultiesLack of fishShallow watersQuestion 11 of 2012. Where is the Great Barrier Reef located?Off the coast of AfricaNortheast coast of AustraliaIndian OceanPacific Ocean near HawaiiQuestion 12 of 2013. How long does the Great Barrier Reef stretch?1,000 km2,010 km3,000 km500 kmQuestion 13 of 2014. What is used to generate thermal energy from the ocean?PlanktonTemperature differences in seawaterManganese nodulesCoral reefsQuestion 14 of 2015. What process removes salt from seawater to make it potable?EvaporationDesalinationPrecipitationFiltrationQuestion 15 of 2016. Why is desalination costly?Due to abundant freshwater sourcesBecause of high energy requirementsDue to lack of seawaterBecause of low demandQuestion 16 of 2017. Which country is NOT mentioned as using desalinated water for drinking?Saudi ArabiaOmanIndiaCyprusQuestion 17 of 2018. What is a major environmental concern with desalination plants?They produce too much freshwaterThey kill small ocean creaturesThey increase ocean depthThey reduce ocean pollutionQuestion 18 of 2019. Why is maritime transport considered cheaper?It uses less fuelIt is faster than air transportOceans are a convenient natural mediumIt requires less maintenanceQuestion 19 of 2020. Which ocean route is the busiest in the world?Pacific OceanIndian OceanAtlantic OceanArctic OceanQuestion 20 of 20 Loading...
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