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N4 Nitrogen cycle, Fertilizers and affect on biodiversity

Quiz by Mr Atha

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21 questions
Show answers
  • Q1
    What uses up all of the oxygen due to algal blooms
    bacteria
    fish
    algae
    fertilizer
    30s
  • Q2
    WHich is a natural fertilizer
    clover
    manure
    algal bloom
    chemical
    30s
  • Q3
    WHich is an artificial fertilizer
    chemical
    nitrate
    ploughing clover
    manure
    30s
  • Q4
    WHich is an artificial fertilizer
    manure
    nitrate
    chemical
    ploughing clover
    30s
  • Q5
    Explain why are fertilizers used
    to feed more humans
    to increase nitrogen levels in soil to increase crop yield
    to increase nitrate levels in soil to increase crop yield
    to increase nitrate levels in soil to decrease crop yield
    30s
  • Q6
    Why do plants need nitrate
    to make protein
    to absorb minerals
    to grow
    for fertilizer
    30s
  • Q7
    Magnesium is added to fertilizers to increase
    root growth
    healthy flowers and fruits
    to make protein
    making of chlorophyll in leaves
    30s
  • Q8
    Potassium is added to fertilizers to increase
    make chlorophyll in leaves
    root growth
    healthy flowers and fruits
    to make protein
    30s
  • Q9
    Phosphorus is added to fertilizers to increase
    to make protein
    healthy flowers and fruits
    make chlorophyll in leaves
    root growth
    30s
  • Q10
    For roots to absorb minerals they must be
    tasty
    soluble
    nitrate
    insoluble
    30s
  • Q11
    Bacteria decompose dead organic material and turn it into
    nitrate
    nitrite
    Nitrogen gas
    nitrogen
    30s
  • Q12
    Bacteria convert nitrite in soil into
    nitorgen
    nitrite
    nitrate
    fertilizer
    30s
  • Q13
    when crops are harvested
    Nitrates are lost
    Nitrites are increased
    algal blooms occur
    Nitrogen is taken out of the cycle
    30s
  • Q14
    When Nitrogen fertilizers are washed into rivers and lakes it causes
    algal blooms (increase in algal growth)
    oxygen levels to increase
    oxygen levels to decrease
    fish to die
    30s
  • Q15
    Algal blooms in rivers and lakes cause
    fish to die
    oxygen levels to decrease
    aquatic plants to die as prevent photosynthesis
    oxygen levels to increase
    30s

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