Microbiology

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Q. Which soil microorganism is known for bioremediation?
  • A. Bacillus subtilis
  • B. Escherichia coli
  • C. Pseudomonas aeruginosa
  • D. Staphylococcus aureus
Q. Which Staphylococcus species is most commonly associated with urinary tract infections?
  • A. Staphylococcus epidermidis
  • B. Staphylococcus saprophyticus
  • C. Staphylococcus aureus
  • D. Staphylococcus hominis
Q. Which structure represents the double helix of DNA?
  • A. Single strand
  • B. Triple helix
  • C. Double helix
  • D. Circular structure
Q. Which test is commonly used to diagnose tuberculosis infection?
  • A. Complete blood count
  • B. Mantoux tuberculin skin test
  • C. Liver function test
  • D. Urinalysis
Q. Which test is commonly used to identify Streptococcus pyogenes in the laboratory?
  • A. Catalase test
  • B. Coagulase test
  • C. Rapid antigen test
  • D. Oxidase test
Q. Which type of algae is known for its high oil content and potential as a biofuel source?
  • A. Red algae
  • B. Green algae
  • C. Brown algae
  • D. Blue-green algae
Q. Which type of algae is known for producing harmful algal blooms?
  • A. Green algae
  • B. Red algae
  • C. Blue-green algae
  • D. Brown algae
Q. Which type of antibody is associated with blood group antigens?
  • A. IgG
  • B. IgM
  • C. IgA
  • D. IgE
Q. Which type of bacteria is typically comma-shaped?
  • A. Cocci
  • B. Bacilli
  • C. Vibrio
  • D. Spirilla
Q. Which type of bacteriophage is known for integrating its DNA into the host genome?
  • A. Lytic phage
  • B. Temperate phage
  • C. Virulent phage
  • D. Bacteriocin
Q. Which type of beer typically has a higher alcohol content?
  • A. Lager
  • B. Pale Ale
  • C. Stout
  • D. Barleywine
Q. Which type of cell culture involves the growth of cells from a single cell type?
  • A. Primary culture
  • B. Secondary culture
  • C. Clonal culture
  • D. Mixed culture
Q. Which type of cell culture is best for studying the interactions between different cell types?
  • A. Primary culture
  • B. Clonal culture
  • C. Mixed culture
  • D. Suspension culture
Q. Which type of cell culture is typically used for the production of monoclonal antibodies?
  • A. Primary culture
  • B. Suspension culture
  • C. Adherent culture
  • D. 3D culture
Q. Which type of DNA repair mechanism is used to fix thymine dimers caused by UV light?
  • A. Base excision repair
  • B. Nucleotide excision repair
  • C. Mismatch repair
  • D. Homologous recombination
Q. Which type of enzyme regulation involves the end product of a metabolic pathway inhibiting an earlier step?
  • A. Allosteric regulation
  • B. Feedback inhibition
  • C. Covalent modification
  • D. Proteolytic activation
Q. Which type of fish is known to have the highest mercury levels?
  • A. Salmon
  • B. Tuna
  • C. Trout
  • D. Sardines
Q. Which type of fish is often recommended for pregnant women due to its low mercury content?
  • A. Swordfish
  • B. Salmon
  • C. Shark
  • D. Mackerel
Q. Which type of gene transfer is most commonly associated with antibiotic resistance?
  • A. Transformation
  • B. Transduction
  • C. Conjugation
  • D. All of the above
Q. Which type of immune response involves the production of antibodies?
  • A. Cell-mediated immunity
  • B. Humoral immunity
  • C. Innate immunity
  • D. Passive immunity
Q. Which type of immune response is characterized by the production of memory cells?
  • A. Innate immune response
  • B. Primary immune response
  • C. Secondary immune response
  • D. Non-specific immune response
Q. Which type of meat is considered red meat?
  • A. Chicken
  • B. Pork
  • C. Turkey
  • D. Fish
Q. Which type of microbe is most commonly found in freshwater ecosystems?
  • A. Bacteria
  • B. Viruses
  • C. Fungi
  • D. Protozoa
Q. Which type of milk is lactose-free?
  • A. Skim milk
  • B. Whole milk
  • C. Lactose-free milk
  • D. Buttermilk
Q. Which type of mutation can result from exposure to ionizing radiation?
  • A. Point mutation
  • B. Translocation
  • C. Inversion
  • D. All of the above
Q. Which type of PCR is used to amplify RNA?
  • A. Real-time PCR
  • B. Reverse transcription PCR
  • C. Multiplex PCR
  • D. Nested PCR
Q. Which type of RNA is primarily involved in the regulation of gene expression at the translation level?
  • A. mRNA
  • B. tRNA
  • C. rRNA
  • D. miRNA
Q. Which type of wine is typically lower in calories?
  • A. Red wine
  • B. White wine
  • C. Sparkling wine
  • D. Dessert wine
Q. Which vaccine was developed to eradicate smallpox?
  • A. MMR vaccine
  • B. Polio vaccine
  • C. Smallpox vaccine
  • D. Influenza vaccine
Q. Which vegetable is a good source of folate?
  • A. Potato
  • B. Spinach
  • C. Carrot
  • D. Onion
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