Agricultural Microbiology Quiz

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Questions and Answers

What percentage does the Practical Exam online account for?

  • 70%
  • 30%
  • 25%
  • 15% (correct)

When is the Practical Exam online scheduled to be held?

  • Friday Nov 24th 2-3pm (correct)
  • Wednesday Nov 22nd 1-2pm
  • Thursday Nov 23rd 10-11am
  • Monday Nov 27th 3-4pm

What percentage do the Practical reports account for?

  • 30% (correct)
  • 25%
  • 70%
  • 15%

What is the focus of the lecture on 'Microorganisms and Disease'?

<p>The role of microorganisms in causing diseases (D)</p> Signup and view all the answers

What is the main topic of the lecture 'The Nitrogen Cycle'?

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

What is the percentage weightage of the end of term MCQ exam in the RDS?

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

What are the two types of practical reports mentioned?

<p>Practical and write ups on practicals (A)</p> Signup and view all the answers

What is the focus of 'Microbiology in the Food Industry - Fermentations' lecture?

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

What is the focus of the lecture on 'Pathogenic Fungi and Viruses'?

<p>The role of fungi and viruses in causing diseases (C)</p> Signup and view all the answers

What does the Biotech Industry focus on in relation to microbiology?

<p>Industrial applications of microorganisms (A)</p> Signup and view all the answers

What is the focus of 'Microbiology in the Food Industry' lecture?

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

What percentage of the assessment is allocated to the Practical accounts?

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

What are Koch’s postulates used for?

<p>To prove the association between a microorganism and a specific disease (D)</p> Signup and view all the answers

What is a key differential in pathogens?

<p>The presence of virulence factors (D)</p> Signup and view all the answers

What is the role of leukocidins in the context of pathogens?

<p>To destroy white blood cells (D)</p> Signup and view all the answers

What is the function of coagulase in some blood-borne pathogens?

<p>To cause coagulation and provide a physical hiding place from the immune system (C)</p> Signup and view all the answers

What is the primary location of endotoxins in microorganisms?

<p>Gram negative organisms (B)</p> Signup and view all the answers

What is the main function of LPS (lipopolysaccharide) in microorganisms?

<p>It has a dramatic effect on the immune system (A)</p> Signup and view all the answers

How do capsules contribute to immune evasion in microorganisms?

<p>They block phagocytosis (A)</p> Signup and view all the answers

What is the primary function of adaptive immunity?

<p>To mount specific responses to encountered pathogens (D)</p> Signup and view all the answers

What triggers the specific response in adaptive immunity?

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

What are antigens recognized by?

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

What are the properties of antigens?

<p>Recognized by antigenic determinants (epitopes) and are typically &gt;5-100KDa (A)</p> Signup and view all the answers

What is the role of mucous membranes in protecting against infection?

<p>They line body cavities open to the outside world and serve as a barrier (D)</p> Signup and view all the answers

What is the percentage weightage of the Practical Exam online?

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

What is the primary focus of the Biotech Industry in relation to microbiology?

<p>Creating genetically modified organisms (B)</p> Signup and view all the answers

When is the Practical Exam online scheduled to be held?

<p>Friday Nov 24th 2-3pm (A)</p> Signup and view all the answers

What is the main function of LPS (lipopolysaccharide) in microorganisms?

<p>Triggering immune response (A)</p> Signup and view all the answers

What is the primary location of endotoxins in microorganisms?

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

What is the focus of the lecture on 'Pathogenic Fungi and Viruses'?

<p>Disease-causing mechanisms (C)</p> Signup and view all the answers

What is the primary function of adaptive immunity?

<p>Recognizing and responding to specific antigens (A)</p> Signup and view all the answers

What is the focus of 'Microbiology in the Food Industry - Fermentations' lecture?

<p>Wine and beer production (C)</p> Signup and view all the answers

What is the main topic of the lecture 'The Nitrogen Cycle'?

<p>Nitrogen fixation by microbes (B)</p> Signup and view all the answers

What are the two types of practical reports mentioned?

<p>Written and oral reports (C)</p> Signup and view all the answers

What is the role of mucous membranes in protecting against infection?

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

What is the percentage weightage of the Practical accounts?

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

Which of the following is a key step in proving a pathogen according to Koch's postulates?

<p>Presence of the microorganism in the diseased host and not in a healthy one (D)</p> Signup and view all the answers

What is a potential challenge to the application of Koch's postulates?

<p>Difficulty in culturing certain pathogens (B)</p> Signup and view all the answers

Which of the following is a characteristic of virulence factors in pathogens?

<p>They can be host-specific (B)</p> Signup and view all the answers

What is the primary function of leukocidins in the context of pathogens?

<p>Destroying white blood cells (B)</p> Signup and view all the answers

What is the main function of endotoxins in Gram-negative organisms?

<p>Affecting the immune system and acting as anti-phagocytic factors (B)</p> Signup and view all the answers

What is the primary mode of transmission for opportunistic pathogens?

<p>Vehicle transmission (A)</p> Signup and view all the answers

What is the main function of mucous membranes in protecting against infection?

<p>Creating a physical barrier to microorganisms (D)</p> Signup and view all the answers

What triggers the specific response in adaptive immunity?

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

What are antigens recognized by?

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

What is the primary location of endotoxins in microorganisms?

<p>Outer membrane of Gram-negative organisms (A)</p> Signup and view all the answers

What is the main topic of the lecture on 'Pathogenic Fungi and Viruses'?

<p>Understanding the role of virulence factors (D)</p> Signup and view all the answers

What is the focus of 'Microbiology in the Food Industry - Fermentations' lecture?

<p>Fermentation processes and their role in food production (B)</p> Signup and view all the answers

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