MCQ Chapter 1 World Geography: Some Glimpses Class 8 Social Science CBSE Board Advertisement 1. Why can some organisms survive in the Mariana Trench despite the absence of sunlight?They depend on sunlight stored in rocksThey use energy from chemicals in the water to produce foodThey migrate to the surface every dayThey depend only on plantsQuestion 1 of 202. What are natural reefs sometimes built by?Tiny sea animals called coralsLarge whalesSea birdsOcean currentsQuestion 2 of 203. Why are coral reefs called the “rainforests of the sea”?They are always covered by rainThey contain highly diverse ecosystems and support many speciesThey are found only near rainforestsThey produce rainfall directlyQuestion 3 of 204. Where is the Great Barrier Reef located?Off the northeastern coast of AustraliaOff the western coast of AfricaNear the Arctic OceanNear South AmericaQuestion 4 of 205. Which of the following threatens the Great Barrier Reef?Overfishing and pollutionSnowfall and frostVolcanic ash onlyRiver flooding onlyQuestion 5 of 206. What is a narrow channel joining two seas or oceans called?GulfBayStraitCanalQuestion 6 of 207. Which waterway is a man-made channel connecting water bodies?BayCanalGulfStraitQuestion 7 of 208. Which canal connects the Red Sea with the Mediterranean Sea?Panama CanalSuez CanalKiel CanalMalacca CanalQuestion 8 of 209. Which is the world's largest bay according to the chapter?Hudson BayBay of BengalBay of BiscayChesapeake BayQuestion 9 of 2010. Which landform has a broad base, steep slopes, and a narrow summit?PlainPlateauMountainDesertQuestion 10 of 2011. Which landform rises above surrounding land and has a more or less flat surface?PlateauPlainValleyDesertQuestion 11 of 2012. Which landform has an extensive flat or gently undulating surface?MountainPlainPlateauTrenchQuestion 12 of 2013. Which of the following is described as a cold desert?Sahara DesertThar DesertGobi DesertGreat Australian DesertQuestion 13 of 2014. How many continents are most commonly counted in the chapter?FiveSixSevenEightQuestion 14 of 2015. What is unique about the Tibetan Plateau?It is the smallest plateau on EarthIt is the highest and largest plateau on EarthIt is completely covered by forestIt is located south of the HimalayasQuestion 15 of 2016. Which tectonic plates collided to help form the Tibetan Plateau and the Himalayan mountain range?Pacific and African platesIndo-Australian and Eurasian platesNorth American and South American platesAntarctic and Pacific platesQuestion 16 of 2017. Why is the Tibetan Plateau called the “Third Pole”?It is the third-largest continentIt contains the largest reserves of freshwater outside the polar regionsIt has the third-highest mountainIt lies between two oceansQuestion 17 of 2018. Which three major rivers are mentioned as having their sources in the Tibetan Plateau region?Nile, Congo, and NigerIndus, Brahmaputra, and YangtzeAmazon, Paraná, and OrinocoRhine, Danube, and SeineQuestion 18 of 2019. What is the approximate annual precipitation below which an area is described as a desert?10 cm25 cm50 cm75 cmQuestion 19 of 2020. Why is Mongolia called the “Land of the Eternal Blue Sky”?It has no mountainsIt has about 8 to 9 months of sunny weatherIt receives rainfall throughout the yearIt is always covered with snowQuestion 20 of 20 Loading...
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