Froggy Jumps Ocean Sustainability QuizOnline version Test your knowledge about the sustainability of oceans with these 10 questions! by Gaurang Ashar 1 What is the main cause of ocean pollution? a Oil spills b All of the above c Plastic waste 2 What does the term ‘bleaching’ refer to in relation to coral reefs? a The cleaning process of corals b The migration of corals to new areas c The process of corals turning white due to stress factors like temperature change 3 What is the role of mangroves in ocean sustainability? a They absorb and store a significant amount of carbon dioxide b They provide a habitat for many species c All of the above 4 What is the term for the area of the ocean that is experiencing decreased levels of oxygen? a Oxygen neutral zone b Oxygen minimum zone c Oxygen maximum zone 5 What is the average length of microplastics a Less than 5cm b Less than 1cm c Less than 5mm 6 What is the largest coral reef system in the world? a Coral Triangle b Mesoamerican Barrier Reef c Great Barrier Reef 7 Instrument used to measure salinity of water a Salinometer b Thermometer c Hydrometer 8 Which instrument is used to measure the temperature? a Hydrometer b Thermometer c Salinometer 9 How much plastic is dumped every year into the oceans? a More than 10000 kg b More than 100kg c More than 10 million tons 10 What is the main source of energy for marine food chains? a Geothermal energy b Chemical energy c Sunlight
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