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Questions and Answers
Which organism plays a critical role in the arrival of Oxygen based metabolism?
What is the main biological process of forming N2 from nitrate?
Which of the following is a major reservoir of N2?
What is the first stable product of nitrogen fixation?
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Which micro-organism is sensitive to oxygen and evolves to solve the problem by forming heterocysts?
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Which process involves the oxidation of NH4+ to NO3-?
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What is the main energy source for nitrogenase during nitrogen fixation in symbiotic plants?
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Which bacteria are involved in the process of nitrification?
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What is the end product of anammox process?
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Which process involves the release of NH4+ from organic nitrogen?
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What is the main role of the ozone layer in the context of nitrogen cycle?
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Which of the following is a plant-microorganism interaction that enhances nitrogen availability?
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What is the deadline for submitting late practical reports with a grade penalty?
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Where can the MCQ practical exam results be found?
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When is the final exam scheduled?
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What percentage of photosynthetic oxygen production on the planet do microorganisms such as Prochlorococcus account for?
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Which lecture covers the topic of Pathogenic Bacteria?
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Which lecture discusses the topic of Antibiotic Resistant Microorganisms?
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Which cycle is described as 'minor' but still critical for life on earth?
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Which microorganism accounts for a huge percentage of photosynthetic oxygen production on the planet?
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What is the worth of the final exam?
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Which lecture covers the topic of Microbiology in the Food Industry Fermentations?
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What is the deadline for submitting practical reports for practical 2?
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Which lecture discusses the topic of The Immune System?
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Study Notes
Nitrogen Cycle
- The organism that plays a critical role in the arrival of oxygen-based metabolism is Cyanobacteria.
- Denitrification is the main biological process of forming N2 from nitrate.
- The atmosphere is a major reservoir of N2.
- Ammonia (NH3) is the first stable product of nitrogen fixation.
- Anabaena, a micro-organism, is sensitive to oxygen and evolves to solve the problem by forming heterocysts.
- Nitrification involves the oxidation of NH4+ to NO3-.
- The main energy source for nitrogenase during nitrogen fixation in symbiotic plants is ATP.
- Nitrosomonas and Nitrobacter are the bacteria involved in the process of nitrification.
- The end product of the anammox process is N2.
- Ammonification involves the release of NH4+ from organic nitrogen.
- The ozone layer plays a crucial role in the context of the nitrogen cycle by protecting nitrogen-fixing organisms from UV radiation.
Microbiology
- Microorganisms like Prochlorococcus account for around 5-10% of photosynthetic oxygen production on the planet.
- Cyanobacteria account for a huge percentage of photosynthetic oxygen production on the planet.
- Pathogenic Bacteria is covered in Lecture 5.
- Antibiotic Resistant Microorganisms are discussed in Lecture 6.
- The nitrogen cycle is described as 'minor' but still critical for life on earth.
- Microbiology in the Food Industry Fermentations is covered in Lecture 3.
- The Immune System is discussed in Lecture 7.
Exams and Assignments
- The final exam is scheduled for [insert date] and is worth 50%.
- Late practical reports can be submitted with a 10% grade penalty until [insert date].
- MCQ practical exam results can be found on the course website.
- Practical reports for Practical 2 are due on [insert date].
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Description
Test your knowledge of agricultural microbiology with this MCQ practical exam. Access your results on Brightspace under the Quiz tab.
