
N4 Nitrogen cycle, Fertilizers and affect on biodiversity
Quiz by Mr Atha
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21 questions
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- Q1What uses up all of the oxygen due to algal bloomsbacteriafishalgaefertilizer30s
- Q2WHich is a natural fertilizerclovermanurealgal bloomchemical30s
- Q3WHich is an artificial fertilizerchemicalnitrateploughing clovermanure30s
- Q4WHich is an artificial fertilizermanurenitratechemicalploughing clover30s
- Q5Explain why are fertilizers usedto feed more humansto increase nitrogen levels in soil to increase crop yieldto increase nitrate levels in soil to increase crop yieldto increase nitrate levels in soil to decrease crop yield30s
- Q6Why do plants need nitrateto make proteinto absorb mineralsto growfor fertilizer30s
- Q7Magnesium is added to fertilizers to increaseroot growthhealthy flowers and fruitsto make proteinmaking of chlorophyll in leaves30s
- Q8Potassium is added to fertilizers to increasemake chlorophyll in leavesroot growthhealthy flowers and fruitsto make protein30s
- Q9Phosphorus is added to fertilizers to increaseto make proteinhealthy flowers and fruitsmake chlorophyll in leavesroot growth30s
- Q10For roots to absorb minerals they must betastysolublenitrateinsoluble30s
- Q11Bacteria decompose dead organic material and turn it intonitratenitriteNitrogen gasnitrogen30s
- Q12Bacteria convert nitrite in soil intonitorgennitritenitratefertilizer30s
- Q13when crops are harvestedNitrates are lostNitrites are increasedalgal blooms occurNitrogen is taken out of the cycle30s
- Q14When Nitrogen fertilizers are washed into rivers and lakes it causesalgal blooms (increase in algal growth)oxygen levels to increaseoxygen levels to decreasefish to die30s
- Q15Algal blooms in rivers and lakes causefish to dieoxygen levels to decreaseaquatic plants to die as prevent photosynthesisoxygen levels to increase30s