Growth medium - Quiz
A) A defined medium with just enough ingredients to support growth B) A complex medium used for human cells C) A medium that forbids all bacterial growth D) A medium containing only amino acids
A) Amino acids B) Water C) Salts D) Carbon sources
A) Only Gram-negative bacteria B) Wild-type C) Pathogenic viruses D) Mutated animal cells
A) Glucose B) Tetracycline C) Neomycin D) Ampicillin
A) Glucose and sucrose B) Magnesium, nitrogen, phosphorus, and sulfur C) Antibiotics and dyes D) Proline and histidine
A) Culturing specific lines of auxotrophic recombinants B) Killing all bacteria in a sample C) Growing wild-type microorganisms exclusively D) Replacing water in the growth process
A) Preventing all bacterial metabolism B) Growth of only selected microorganisms C) Measuring the concentration of water D) Growing all types of bacteria equally
A) Nalidixic acid and colistin B) Penicillin and aspirin C) Gancyclovir and neomycin D) Ampicillin or tetracycline
A) Auxotroph B) Exconjugant C) Marker D) Recombinant
A) Proline B) Histidine C) Neomycin D) Glucose
A) Gancyclovir B) Tetracycline C) Neomycin D) Ampicillin
A) Salt B) Agar C) Dyes D) Glucose
A) High salt concentration B) Low pH C) Lack of water D) High antibiotic content
A) Virus isolation B) Gram-positive bacteria C) Gram-negative bacteria D) Fungi only
A) Histidine B) Glucose C) Proline D) Salts
A) Gram-negative bacteria B) Legionella C) Mannitol D) Staphylococci
A) Baird-Parker agar B) MacConkey agar C) Sabouraud agar D) Buffered charcoal yeast extract agar
A) Ectomycorrhizal fungi B) Legionella pneumophila C) Gram-positive staphylococci D) Moulds and yeasts
A) High salt concentration B) Presence of antibiotics only C) Low pH and high glucose D) Lack of nitrogen
A) To kill all yeast cells B) To restrict the growth of mould colonies C) To provide nitrogen to the fungi D) To increase the pH of the medium
A) Baird-Parker and DRBC B) MMN and BAF medium C) MacConkey and Hektoen D) CNA and Sabouraud
A) To act as a carbon source B) To inhibit Gram-negative organisms C) To promote the growth of mould D) To kill all Gram-positive bacteria
A) The exact composition is unknown B) It contains animal tissue C) All chemicals used are known D) It contains yeast extract
A) Salts B) Plant tissue C) Water D) Glucose
A) Plant hormones B) Animal blood C) Antibiotics D) Water
A) Defined synthetic environments B) Sterile air chambers C) Laboratory culture collections D) Natural soil samples
A) Cell proliferation B) Cell desiccation C) Cell apoptosis D) Cell mutation
A) Physcomitrella patens B) Zea mays C) Oryza sativa D) Arabidopsis thaliana
A) Obligate intracellular parasites B) Facultative anaerobes C) Autotrophic microbes D) Extracellular saprophytes
A) Streptococcus B) Escherichia C) Staphylococcus D) Bacillus
A) Sedimentary layers B) Colloidal suspensions C) Biofilm mats D) Crystalline structures
A) Blood serum B) Agarose C) Glucose only D) Ammonium salts
A) Tincture B) Must C) Mash D) Wort
A) Acetic acid B) Hydrogen gas C) Alcohol D) Lactic acid
A) Opportunistic B) Fastidious C) Ubiquitous D) Autotrophic
A) Preventing microbial multiplication B) Supporting fastidious organisms only C) Distinguishing one microorganism type from another D) Storing specimens for long periods
A) Glycerol B) Sodium chloride C) Charcoal D) Neutral red
A) Brown B) Opaque C) Transparent D) Red
A) Red B) Brown C) Blue D) Transparent
A) Gonococci B) Lac operon mutants C) Enteric bacilli D) Strict anaerobes
A) Lactose B) Glycerol C) Charcoal D) Molecular oxygen
A) Bacterial inhibitors B) Extra nutrients C) Carbon-free buffers D) Reducing agents
A) 80–85 °C B) 60–65 °C C) 20–25 °C D) 40–45 °C
A) Anaerobic growth B) Beta-hemolysis C) Mannitol fermentation D) Lactose fermentation
A) Strict anaerobes B) Lac operon mutants C) Enteric bacilli D) Fastidious aerobes
A) Active fermentation B) Viability C) High concentration D) Increased metabolic rate
A) Lack of growth factors B) Inability to support cell growth C) Insufficient glucose levels D) Contamination issues
A) Animal-derived medium B) Serum-free media C) Fetal bovine serum D) Serum-containing media
A) It prevents the production of proteins B) It determines the genetic sequence of the protein C) It influences therapeutic characteristics like glycosylation D) It eliminates the need for purification
A) Media used only for bacterial cultures B) Serum-containing growth media C) Media that represent physiological nutrient levels D) Chemically undefined media |
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