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- Question 1 Note that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You’re concerned that it’s an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium or a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. What is one experiment you could do, involving culturing the organism? Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we have done/could do in our lab. What is a procedure you could do, involving making a slide of the organism? Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we have done/could do in our lab. Without testing anything, how do you know this is not a viral infection?Question 5 Microbiolgy BIOL 2420 Suppose you do this test on a hypothetical Staphylococcus species with the antibiotics penicillin (P10) and chloramphenicol (C30). You record a zone of inhibition size of 25 mm for both disks. Which antibiotic would be more effective against this organism? Question 6 options: a) both would be equally effective b) chloramphenicol c) penicillinQuestion 7 Microbiology BIOL 2420 What does the line at the end of the arrow represent? Question 7 options: a) therapeutic index of the antibiotic b) minimum inhibitory concentration c) end of diffusion of the antibiotic d) more than one of these
- Question No. 3: (a) How the “Food Borne Diseases” are spread? Enlist all the “Types of Food Borne Diseases” with a brief note on each one. (b) How the “milk borne diseases” are spread? Enlist all the “Four Sources” from which the “microorganism in milk” come from. Enlist the “Diseases” transmitted through “Milk” like the “diseases of bovine (esp. Ox and Cow) origin. Enlist the “Diseases” transmitted through “Milk” like the “diseases of human” origin. Define and briefly discuss the “pasteurization of milk”. (c) Define “air pollution”. Enlist the “Sources of Air Pollution”. Enlist the “Pollutants causing Air Pollution”. What is “Water Pollution”? Enlist the “Sources of Water Pollution”.Question 14 a) Radioactive decay produces ionising radiation. Like all ionising radiation this can lead to harmful effects on living tissue due to cell damage including damage to DNA, mutation and cell death. Contrast the differing health risks associated when working with alpha, beta or gamma radiation sources. b) Describe some ways in which those working with radioactive sources and people in general can be protected against the risks of radiation exposure from such sources.What is an original research? Do you think the following are ideas that may be considered as original? Support your answer with logical reasons in each case : a. Investigation of size of bacterial cells b. Evaluation of impact of CO2 on the environment c. Diversity of microorganisms in the fields of Kohat University d. Investigation of new compounds in a bacterial culture e. Application of a strain of bacteria you isolated from the soil as PGPR
- Question Ms. Rossi, a third grade teacher who has been teaching for seven years, noticed that nearly half of her students got the flu in a particular year. When discussing this with the principal of the school she said, “Nearly half of my students got the flu this year.” In scientific process, her response can be classified as: deductive reasoning scientific reasoning Inductive reasoningQuestion 76 Which of the following statements regarding immunization is correct? Question 76 options: a) In Canada, pediatric vaccines contain the mercury based preservative thimerosol b) If a disease occurs in a child who has recently been immunized, then the disease must be caused by the vaccine c) Since vaccines are given to healthy people, clients are generally less tolerant of the side effects associated with vaccines compared to that of drugs used to treat active disease d) The human immune system has a limited capacity to respond to different antigensThis should be an original thought, not Google’s Why are controls needed when conducting scientific experiments?
- Question 1 a) How the “FOOD BORNE DISEASES” are spread? Enlist all the “Types of Food Borne Diseases” with a brief note of each one. b) Differentiate between ‘Free Available Chlorine, Combined Available Chlorine and Total Chlorine’. Give ‘Examples with their Chemical Names’ and ‘chemical formulae’. Which ‘Group’ is ‘Stronger than the Other’ and by ‘How Many Times’ OR ‘Percentage’.Question 1 Inoculation for bacterial growth in an agar petri dish requires A. Incolating one species of bacteria per dish B. Host tissue so the bacteria can grow inside C. That the agar have nutrients D. Incubation in proper temperaturesQUESTION 8 Because _____ is colorless and odorless but can be highly toxic, it is important to have home detectors for it. a. nitrous oxide b. carbon monoxide c. ozone d. methane e. carbon dioxide