Agricultural Microbiology Exam Schedule
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Questions and Answers

Who first discovered that colonies of the bacterium Staphylococcus aureus failed to grow in the area of a culture contaminated by Penicillium notatum?

  • Howard Florey
  • Alexander Fleming (correct)
  • Ernst Chain
  • Pfizer

    • In which year was Penicillin successfully mass-produced using deep-tank fermentation techniques?

  • 1945
  • 1950
  • 1942 (correct)
  • 1940

    • Which antibiotic-resistant bacteria is commonly found on people and includes a dangerous pathogen known as MRSA?

  • Streptococcus pneumoniae
  • Escherichia coli
  • Clostridium difficile
  • Staphylococcus aureus (correct)

    • What is the main reason behind the emergence of antibiotic resistance according to the text?

    <p>Misuse of antibiotics</p> Signup and view all the answers

    What technique was used to achieve a significant increase in penicillin yield from 1945 to 1970?

    <p>Chemical mutagenesis</p> Signup and view all the answers

    Which drug works by inhibiting a protein used by bacteria in their cell walls and was later faced with resistance from MRSA strains?

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

    What is the worth of the Online Practical Exam?

    <p>15% of the grade</p> Signup and view all the answers

    When is the in-person Final Exam scheduled?

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

    How many MCQ questions are there in the in-person Final Exam?

    <p>60 questions</p> Signup and view all the answers

    What is the focus of the Online Practical Exam?

    <p>Only on Practical material (manual/online material)</p> Signup and view all the answers

    How many known antibiotics are approximately mentioned?

    <p>Approx. 8000 known antibiotics</p> Signup and view all the answers

    Which lecture covers 'Microorganisms and Disease'?

    <p>Lecture 11</p> Signup and view all the answers

    Where does most of the Antibiotics come from?

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

    Who discovered Penicillin?

    <p>Alexander Fleming</p> Signup and view all the answers

    What is the focus of the in-person Final Exam?

    <p>On Lecture Material</p> Signup and view all the answers

    Which lecture covers 'Antibiotic Resistant Microorganisms'?

    <p>Lecture 15</p> Signup and view all the answers

    What was the main reason behind the emergence of methicillin-resistant Staphylococcus aureus (MRSA)?

    <p>The introduction of relatively resistant methicillin</p> Signup and view all the answers

    What technique was used to achieve a significant increase in penicillin yield from 1945 to 1970?

    <p>Chemical mutagenesis</p> Signup and view all the answers

    What is the role of potassium clavulanate in combination with penicillin?

    <p>It inhibits the action of penicillinase</p> Signup and view all the answers

    What did Howard Florey and Ernst Chain do in 1940?

    <p>Purified the penicillin mold and injected it in live mice</p> Signup and view all the answers

    'Synergism' between antibiotics occurs when:

    <p>The effect of two drugs together is greater than the effect of either alone</p> Signup and view all the answers

    Which organism was commonly found on people and developed resistance to penicillin in 1945?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    What was the main reason behind the emergence of antibiotic resistance according to the text?

    <p>Using antibiotics for common cold and other inappropriate conditions</p> Signup and view all the answers

    What did Pfizer achieve successfully in 1942?

    <p>Mass production of Penicillin using deep-tank fermentation techniques</p> Signup and view all the answers

    What did Alexander Fleming discover about Staphylococcus aureus and Penicillium notatum?

    <p>They failed to grow in the area contaminated by Penicillium notatum.</p> Signup and view all the answers

    What did the Nobel Prize in Physiology & Medicine awarded jointly to Fleming, Florey, and Chain for?

    <p>Discovery and development of penicillin as a therapeutic drug.</p> Signup and view all the answers

    Where will the Online Practical Exam be conducted?

    <p>In a designated online platform</p> Signup and view all the answers

    When is the in-person Final Exam scheduled?

    <p>Friday, 15th December from 16:30 to 18:30</p> Signup and view all the answers

    How many MCQ questions will be in the in-person Final Exam?

    <p>60</p> Signup and view all the answers

    What is the focus of Lecture 17?

    <p>Microbiology in the Food Industry – The Fungi</p> Signup and view all the answers

    'Penicillin was first and produced by Penicillium notatum' - Is this statement true or false?

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

    'Approximately how many known antibiotics are there?' - Is this statement true or false?

    <p>~8000 known antibiotics</p> Signup and view all the answers

    What is the worth of the Online Practical Exam?

    <p>15% of the grade</p> Signup and view all the answers

    Where does most of the Antibiotics come from?

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

    'What are Antibiotics?' - Is this statement true or false?

    <p>Compounds produced by microorganisms that kill or inhibit the growth of other microorganisms.</p> Signup and view all the answers

    '70% of antibiotics are produced by Streptomyces bacteria' - Is this statement true or false?

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

    'Penicillin was first successfully mass-produced using deep-tank fermentation techniques' - Is this statement true or false?

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

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