Agricultural Microbiology Practical Reports Deadline
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Questions and Answers

What is the main biological means of forming N2?

  • Nitrification
  • Anammox
  • Ammonification
  • Denitrification (correct)

    • Which process involves organic-N being converted to NH4+?

  • Nitrification
  • Ammonification (correct)
  • Denitrification
  • Anammox

    • What is the key enzyme in Nitrogenase?

  • Rhizobium
  • Nitrosococcus oceani
  • Heterocyst (correct)
  • Nitrobacter

    • What is the first stable product in the process of nitrogen fixation?

    <p>NH3</p> Signup and view all the answers

    Which organisms play an important role in providing access to usable nitrogen sources?

    <p>Rhizobium</p> Signup and view all the answers

    What does the presence of NO3- lead to?

    <p>Increase in algae and cyanobacteria due to pollution</p> Signup and view all the answers

    What is the main concern associated with nitrate fertilized fields once waterlogged?

    <p>Fixation of Nitrogen removed from the atmosphere</p> Signup and view all the answers

    What is the role of leghemoglobin in nitrogen fixation?

    <p>Maintaining low oxygen levels for nitrogenase activity</p> Signup and view all the answers

    What type of bacteria are Nitrosococcus oceani and Nitrobacter winogradskyi?

    <p>Nitrifying bacteria</p> Signup and view all the answers

    What is the end product of Anammox process?

    <p>N2</p> Signup and view all the answers

    What do high ammonia concentrations favor?

    <p>Nitrification</p> Signup and view all the answers

    What is the deadline for submitting practical reports for practical 2?

    <p>6th December</p> Signup and view all the answers

    Where can the MCQ practical exam results be found?

    <p>Brightspace under the Quiz tab</p> Signup and view all the answers

    When is the final exam scheduled?

    <p>15th December</p> Signup and view all the answers

    What percentage of the grade is the final exam worth?

    <p>70%</p> Signup and view all the answers

    Which lecture covers 'Pathogenic Bacteria'?

    <p>Lecture 13 - Pathogenic Bacteria</p> Signup and view all the answers

    'Prochlorococcus' accounts for a huge percentage of which production on the planet?

    <p>% of photosynthetic oxygen production</p> Signup and view all the answers

    What is the percentage of photosynthetic oxygen production accounted by 'Prochlorococcus'?

    <p>20%</p> Signup and view all the answers

    Where can one find some tips at the end of lecture?

    <p>Lecture slides</p> Signup and view all the answers

    What is the deadline for late submission of practical reports with a grade penalty?

    <p>5pm Wednesday</p> Signup and view all the answers

    Where are MCQ practical exam results converted to grades using UCD conversion scale?

    <p>Brightspace under Quiz tab</p> Signup and view all the answers

    Where is the final exam scheduled to take place?

    <p>RDS on Friday 15th December at 16.30.</p> Signup and view all the answers

    'Prochlorococcus' accounts for more photosynthetic oxygen production than which natural feature combined?

    <p>Tropical rain forests.</p> Signup and view all the answers

    What is the deadline for submitting a late practical report with a grade penalty for practical 2?

    <p>6th December</p> Signup and view all the answers

    Which lecture covers the topic of 'Microbiology in the Food Industry - Fermentations'?

    <p>Lecture 18</p> Signup and view all the answers

    Where are the MCQ practical exam results available?

    <p>Brightspace under the Quiz tab</p> Signup and view all the answers

    What is the percentage of the final exam's worth in the overall grade?

    <p>70%</p> Signup and view all the answers

    'Prochlorococcus' accounts for a huge percentage of which production on the planet?

    <p>'Prochlorococcus' accounts for a huge percentage of photosynthetic oxygen production on the planet.</p> Signup and view all the answers

    'Nitrosococcus oceani' and 'Nitrobacter winogradskyi' are examples of:

    <p>'Nitrosococcus oceani' and 'Nitrobacter winogradskyi' are examples of nitrifying bacteria.</p> Signup and view all the answers

    What is the main concern associated with nitrate fertilized fields once waterlogged?

    <p>Increased nitrous oxide emissions</p> Signup and view all the answers

    What process involves organic-N being converted to NH4+?

    <p>Ammonification</p> Signup and view all the answers

    What is the first stable product in the process of nitrogen fixation?

    <p>NH3 (ammonia)</p> Signup and view all the answers

    What does the presence of NO3- lead to?

    <p>Increased denitrification</p> Signup and view all the answers

    'Prochlorococcus' accounts for more photosynthetic oxygen production than all tropical rain forests combined. This statement is:

    <p>True</p> Signup and view all the answers

    Which enzyme is sensitive to oxygen in the process of nitrogen fixation?

    <p>Nitrogenase</p> Signup and view all the answers

    What is the main concern associated with nitrate fertilized fields once waterlogged?

    <p>Nitrate accumulation in groundwater</p> Signup and view all the answers

    Which bacteria are involved in the process of nitrification in well-drained soil at neutral pH?

    <p>Nitrosococcus oceani and Nitrobacter winogradskyi</p> Signup and view all the answers

    What is the first stable product in the process of nitrogen fixation?

    <p>NH3</p> Signup and view all the answers

    'Prochlorococcus' accounts for a huge percentage of which production on the planet?

    <p>Carbon fixation</p> Signup and view all the answers

    What percentage of photosynthetic oxygen production is accounted for by 'Prochlorococcus'?

    <p>30%</p> Signup and view all the answers

    What is the main role of leghemoglobin in nitrogen fixation?

    <p>To protect nitrogenase from oxygen.</p> Signup and view all the answers

    What type of bacteria are involved in the Anammox process?

    <p>Dentrifying bacteria</p> Signup and view all the answers

    What are the main biological means of forming N2?

    <p>Denitrification</p> Signup and view all the answers

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