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

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

<p>Rhizobium (B)</p> Signup and view all the answers

What does the presence of NO3- lead to?

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

What is the role of leghemoglobin in nitrogen fixation?

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

What type of bacteria are Nitrosococcus oceani and Nitrobacter winogradskyi?

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

What is the end product of Anammox process?

<p>N2 (C)</p> Signup and view all the answers

What do high ammonia concentrations favor?

<p>Nitrification (B)</p> Signup and view all the answers

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

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

Where can the MCQ practical exam results be found?

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

When is the final exam scheduled?

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

What percentage of the grade is the final exam worth?

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

Which lecture covers 'Pathogenic Bacteria'?

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

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

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

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

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

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

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

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

<p>5pm Wednesday (B)</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 (C)</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. (A)</p> Signup and view all the answers

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

<p>Tropical rain forests. (C)</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 (B)</p> Signup and view all the answers

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

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

Where are the MCQ practical exam results available?

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

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

<p>70% (C)</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. (D)</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. (D)</p> Signup and view all the answers

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

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

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

<p>Ammonification (B)</p> Signup and view all the answers

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

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

What does the presence of NO3- lead to?

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

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

<p>Nitrogenase (C)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

What is the main role of leghemoglobin in nitrogen fixation?

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

What type of bacteria are involved in the Anammox process?

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

What are the main biological means of forming N2?

<p>Denitrification (D)</p> Signup and view all the answers

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