Nitrogen Cycle
Quiz by Justin Hopgood
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16 questions
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- Q1Which process converts atmospheric nitrogen into a form that plants can use?Nitrogen fixationPhotosynthesisDecompositionRespiration30s
- Q2Which organism is responsible for converting nitrogen compounds in dead organisms into ammonium?Nitrogen fixersConsumersProducersDecomposers30s
- Q3What is the process by which nitrates are converted into nitrogen gas and released back into the atmosphere?DenitrificationAmmonificationAssimilationNitrification30s
- Q4Which process in the nitrogen cycle involves the conversion of ammonium into nitrites and then into nitrates?AssimilationNitrificationAmmonificationDenitrification30s
- Q5Which process in the nitrogen cycle converts organic nitrogen compounds into ammonium?NitrificationAssimilationAmmonificationDenitrification30s
- Q6What is the process by which water changes from a liquid to a gas?PrecipitationTranspirationEvaporationCondensation30s
- Q7What is the process by which water vapor in the atmosphere turns into liquid water?TranspirationCondensationPrecipitationEvaporation30s
- Q8What is the term used to describe the process of water falling from the atmosphere to the Earth's surface?CondensationEvaporationPrecipitationTranspiration30s
- Q9What is the term used to describe the process of plants releasing water vapor into the atmosphere?CondensationTranspirationPrecipitationEvaporation30s
- Q10Which of the following is a major contributor to water pollution?Seaweed growthRainwater runoffFish wasteIndustrial waste30s
- Q11What is the main cause of soil pollution?WildfiresNatural erosionChemical fertilizers and pesticidesDeforestation30s
- Q12What is the primary source of air pollution?Natural disastersVolcanic eruptionsSolar radiationVehicle emissions30s
- Q13What is the primary cause of global warming?Natural climate cyclesSunspot activityOzone depletionGreenhouse gas emissions30s
- Q14Which of the following is a leading cause of water pollution in oceans?Plastic wasteNatural oil seepageFish excretionSeaweed growth30s
- Q15Which of the following best describes point source pollution?Pollution that is caused by natural processes.Pollution that originates from multiple sources.Pollution that comes from a single identifiable source.Pollution that cannot be traced back to any source.30s