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