A) A method of multiplying microbial organisms under controlled conditions B) A technique for killing harmful bacteria C) A process of observing viruses under a microscope D) A chemical method to synthesize DNA
A) Inside the human digestive tract B) In a predetermined culture medium C) In the open air environment D) On dry glass surfaces without nutrients
A) To determine the cause of infectious disease B) To clean contaminated laboratory surfaces C) To produce synthetic seaweed D) To increase the size of human cells
A) Streptococcus pyogenes B) Escherichia coli C) Staphylococcus aureus D) Archaea species
A) Axenic culture B) Mixed culture C) Genetic mutant D) Thermophilic culture
A) Seaweed B) Animal gelatin C) Synthetic plastic D) Guar beans
A) Salt B) Guar gum C) Starch D) Cellulose
A) Louis Pasteur B) Julius Richard Petri C) Alexander Fleming D) Robert Koch
A) 1860 B) 1887 C) 1900 D) 1881
A) Louis Pasteur B) Robert Koch C) Julius Richard Petri D) Guar Gum
A) They are difficult to culture in a lab setting B) They are always pathogenic C) They do not contain DNA D) They require extreme sunlight
A) They are identical B) They are only 50% similar C) They are completely unique D) They share no genetic material
A) The absence of other species B) Being derived from multiple organisms C) The presence of many species D) The use of liquid media only
A) Testing urine B) Drawing blood C) Exhaling into a plate D) Scraping the lining of the throat
A) Host cells B) Liquid nutrient broth only C) Solid agar only D) Sterile air
A) By physical separation on a plate B) By using eukaryotic host cells C) By infecting bacterial cells D) By incubating in a vacuum
A) Plaque cultures B) Stock cultures C) Static cultures D) Liquid cultures
A) Viruses and fungi B) Bacteria and phages C) Macroscopic organisms D) Yeast, algae, and protozoans
A) Inoculating loop B) Solid agar C) Host cell lawn D) Luria broth
A) An inoculating loop B) A static flask C) A petri dish D) A shaker
A) An oxygen gradient B) Rapid viral infection C) Uniform mechanical mixing D) A solid growth surface
A) Antimicrobial assay B) Colony morphology study C) Plaque isolation D) Host cell propagation
A) 20 degrees Celsius B) 37 degrees Celsius C) 50 degrees Celsius D) Room temperature
A) Gram-positive bacteria B) All types of bacteria equally C) Gram-negative bacteria D) Fungal spores
A) Total bacterial count B) Lactose-fermentation capabilities C) Gram-staining status D) Antibiotic resistance genes
A) Gas chromatography and mass spectrometry B) Microscopy, staining, and PCR C) Colorimetry, turbidimetry, or fluorometry D) Centrifugation, filtration, and titration
A) Contaminated waste materials B) Patient medical records C) Type strains D) Single-use laboratory plasticware
A) Escherichia coli B) Staphylococcus aureus C) Salmonella enterica D) Thermus aquaticus |