Microbiology

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Q. What is the typical treatment for anthrax infection?
  • A. Antibiotics
  • B. Antivirals
  • C. Vaccination
  • D. Surgery
Q. What is the vector for the transmission of Leishmania species?
  • A. Mosquitoes
  • B. Ticks
  • C. Sandflies
  • D. Fleas
Q. What laboratory test is commonly used to diagnose brucellosis?
  • A. Blood culture
  • B. PCR test
  • C. ELISA
  • D. Urine culture
Q. What modification occurs to eukaryotic mRNA before it is translated?
  • A. Addition of a poly-A tail
  • B. Removal of exons
  • C. Addition of a 5' phosphate
  • D. Conversion to tRNA
Q. What nutrient is avocados particularly high in?
  • A. Protein
  • B. Carbohydrates
  • C. Healthy fats
  • D. Vitamin C
Q. What nutrient is quinoa particularly high in?
  • A. Protein
  • B. Carbohydrates
  • C. Fats
  • D. Sugars
Q. What role do bacteriophages play in gene transfer?
  • A. They cause mutations
  • B. They facilitate transduction
  • C. They promote conjugation
  • D. They inhibit transformation
Q. What shape are cocci bacteria?
  • A. Rod-shaped
  • B. Spiral-shaped
  • C. Spherical
  • D. Comma-shaped
Q. What should you do if a can of food is leaking?
  • A. Heat it before opening
  • B. Discard it immediately
  • C. Rinse the can and use it
  • D. Store it in the refrigerator
Q. What temperature should leftovers be reheated to in order to ensure safety?
  • A. 145°F
  • B. 165°F
  • C. 180°F
  • D. 200°F
Q. What term describes bacteria that are arranged in chains?
  • A. Staphylococci
  • B. Streptococci
  • C. Bacilli
  • D. Coccobacilli
Q. What type of antigen is recognized by T-cell receptors?
  • A. Free-floating antigens
  • B. Soluble antigens
  • C. Processed peptide antigens presented by MHC
  • D. All types of antigens
Q. What type of bacteria are characterized by their ability to form endospores?
  • A. Cocci
  • B. Bacilli
  • C. Spirilla
  • D. Vibrios
Q. What type of bacteria are known for their ability to form spores?
  • A. Cocci
  • B. Bacilli
  • C. Spirilla
  • D. All of the above
Q. What type of bacteria are known to thrive in extreme environments?
  • A. Mesophiles
  • B. Psychrophiles
  • C. Thermophiles
  • D. Halophiles
Q. What type of bacteria are primarily responsible for nitrification in wastewater treatment?
  • A. Facultative anaerobes
  • B. Obligate aerobes
  • C. Anaerobes
  • D. Fermenters
Q. What type of bacteria is Bacillus anthracis classified as?
  • A. Cocci
  • B. Bacilli
  • C. Spirilla
  • D. Vibrios
Q. What type of bacteria is primarily responsible for nitrogen fixation in soils?
  • A. Actinobacteria
  • B. Cyanobacteria
  • C. Firmicutes
  • D. Proteobacteria
Q. What type of diarrhea is commonly associated with Vibrio cholerae?
  • A. Bloody diarrhea
  • B. Watery diarrhea
  • C. Mucus diarrhea
  • D. Fatty diarrhea
Q. What type of environment do non-sporing anaerobes typically thrive in?
  • A. High oxygen environments
  • B. Low pH environments
  • C. Anaerobic environments
  • D. Saline environments
Q. What type of fermentation is used to make sauerkraut?
  • A. Alcoholic fermentation
  • B. Lactic acid fermentation
  • C. Acetic acid fermentation
  • D. Aerobic fermentation
Q. What type of food is most commonly associated with Vibrio parahaemolyticus infections?
  • A. Undercooked beef
  • B. Raw shellfish
  • C. Unpasteurized juice
  • D. Dairy products
Q. What type of genetic material can viruses contain?
  • A. Only DNA
  • B. Only RNA
  • C. Both DNA and RNA
  • D. Neither DNA nor RNA
Q. What type of genetic material do bacteriophages inject into bacterial cells?
  • A. RNA
  • B. DNA
  • C. Protein
  • D. Lipids
Q. What type of genetic material do Retroviridae viruses contain?
  • A. Double-stranded DNA
  • B. Single-stranded RNA
  • C. Double-stranded RNA
  • D. Single-stranded DNA
Q. What type of genome do Astroviruses possess?
  • A. Single-stranded RNA
  • B. Double-stranded RNA
  • C. Single-stranded DNA
  • D. Double-stranded DNA
Q. What type of hemolysis is exhibited by Streptococcus pyogenes on blood agar?
  • A. Alpha hemolysis
  • B. Beta hemolysis
  • C. Gamma hemolysis
  • D. Delta hemolysis
Q. What type of immune response is primarily involved in fighting Mycobacterium infections?
  • A. Humoral immunity
  • B. Cell-mediated immunity
  • C. Innate immunity
  • D. Passive immunity
Q. What type of infections can Pseudomonas aeruginosa cause in immunocompromised patients?
  • A. Only skin infections
  • B. Only respiratory infections
  • C. A wide range of infections including pneumonia and sepsis
  • D. Only urinary tract infections
Q. What type of medium is used to grow bacteria that require specific nutrients?
  • A. Selective medium
  • B. Differential medium
  • C. Enriched medium
  • D. Agar medium
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