Description : Which one of the following bacterial species is NOT a cause of food poisoning (noninflammatory gastroenteritis)? a. Escherichia coli b. Bacillus cereus c. Staphylococcus aureus d. Clostridium perfringens
Last Answer : a. Escherichia coli
Description : Gas gangrene is caused by _____. a. Clostridium tetani b. Clostridium botulinum c. Clostridium perfringens d. Clostridium gangrenum
Last Answer : c. Clostridium perfringens
Description : The bacteria which is predominant flora of the human gut is A- Escherichia coli B- Clostridium perfringens C- Bacteroides D- Actinomyces
Last Answer : Clostridium perfringens
Description : Which one of the following bacteria has found extensive use in genetic engineering work in plants? (a) Clostridium septicum (b) Xanthomonas citri (c) Bacillus coagulens (d) Agrobacterium tumefaciens
Last Answer : (d) Agrobacterium tumefaciens
Description : Causative agent for necrotic enteritis is C A. E. coli B. Streptococcus spp. C. Clostridium perfringens D. None of the these
Last Answer : . Clostridium perfringens
Description : Epidemic, endemic, and scrub typhus are caused by a different species a. Yersinia b. Borrelia c. Rickettsia d. Clostridium
Last Answer : c. Rickettsia
Description : Which of the following species of Clostridium is responsible for formation of dark green to A- Clostridium tyrobutyricum B- Clostridium sporogenes C- Clostridium herbarum D- None of these
Last Answer : Clostridium herbarum
Description : A crackling sound associated with myonecrosis is due to a. Respiratory Distress Due To Plague. b. Nerve Contractions Due To Tetanus. c. Lymph Node Swelling Due To Plague. d. Gas Produced By C. Perfringens.
Last Answer : d. Gas Produced By C. Perfringens.
Description : Clostridium tetani grows in a/an _____ environment. a. Acidic b. Anaerobic c. High Oxygen d. Aerobic
Last Answer : b. Borrelia
Description : Which one of the following genera is not associated with a foodborne intoxication? a. Clostridium b. Salmonella c. Staphylococcus d. All three (A-C) are associated with a foodborne intoxication.
Last Answer : b. Salmonella
Description : Cases of cholera are caused by _____ cholerae. a. Vibrio b. Clostridium c. Salmonella d. Shigella
Last Answer : a. Vibrio
Description : This gram-positive rod can cause meningoencephalitis, septicemia, and newborn meningitis. a. Bacillus cereus b. Listeria monocyto genes c. Clostridium peringens d. Escherichia coli
Last Answer : b. Listeria monocyto genes
Description : Clostridium difficile is a. the cause of pseudomembranous colitis. b. traveler‘s diarrhea. c. meningoencephalitis. d. undulant fever.
Last Answer : a. the cause of pseudomembranous colitis.
Description : Which of the following has Chinese letter arrangement? A- Bacillus anthracis B- Mycobacterium tuberculosis C- Clostridium tetani D- Corynebacterium diphtheria
Last Answer : Corynebacterium diphtheria
Description : An example of an anaerobe that causes disease in humans is _____. Clostridium a. E.coli b. Salmonella c. Pseudomonas
Last Answer : a. E.coli
Description : Which one of the following is NOT a genus within the gram-positive bacteria? a. Staphylococcus b. Methanogens c. Mycoplasma d. Bacillus and Clostridium
Last Answer : b. Methanogens
Description : Which is of the following organism is an Gram-ve organism A Staphylococcus aureus B Bacillus Subtilis C Vibrio cholerae D Clostridium tetani
Last Answer : C Vibrio cholerae
Description : Which is of the following organism is an Gram+ve organism A E.coli B Enterobacteriae aerogenus C Vibrio Cholerae D Clostridium tetani
Last Answer : D Clostridium tetani
Description : Ethanol is commercially produced through a particular species of (a) Saccharomyces (b) Clostridium (c) Trichoderma (d) Aspergillus.
Last Answer : (a) produce methane
Description : Bacterial leaf blight of rice is caused by a species (a) Alternaria (b) Erwinia (c) Xanthomonas (d) Pseudomonas.
Last Answer : (c) Xanthomonas
Description : Bacterial species in fish are naturally adapted to the cold environment in which most fish live and thus, _____ will not affect them; _____ is preferred. a. heating, cooking b. cooling, refrigeration c. warming, boiling d. cooling, freezing
Last Answer : d. cooling, freezing
Description : In the soil, antibiotics are produced by some a. Fungal species and viruses. b. Bacterial species and viruses. c. Viruses and helminthic species. d. Fungal and bacterial species.
Last Answer : d. Fungal and bacterial species.
Description : A is a graft between genetically different members of the same species. a. Xenograft b. Autograft c. Allograft d. Isograft
Last Answer : c. Allograft
Description : Beef tapeworm species. a. Echinococcus Granulosus b. Schistosoma Mansoni c. Taenia Saginata
Last Answer : c. Taenia Saginata
Description : All the following characteristics apply to fungi except: a. There may be 1.5 million species. b. They lack chlorophyll. c. They include molds and yeasts. d. They are prokaryotic microorganisms.
Last Answer : d. They are prokaryotic microorganisms.
Description : Yeasts of the species Saccharomyces a. Are Used In Bread Making. b. Reproduce By Budding. c. Are Members Of The Ascomycetes. d. All Of The Above (A—C) Are Correct.
Last Answer : d. All Of The Above (A—C) Are Correct.
Description : Newly emerging viruses causing human disease can arise from a. Species Jumping. b. Mutations. c. Genetic Recombination. d. All Of The Above (A—C) Are Correct.
Description : Impetigo is a skin disease caused by a. a species of Haemophilus. b. a species of Chlamydia. c. Bacteroides fragilis. d. Staphylococcus aureus.
Last Answer : d. Staphylococcus aureus.
Description : The most common cause of an invasive wound infection, such as a burn, is a. gram-positive bacterial species. b. treponema pallidum. c. Pseudomonas aeruginosa. d. Escherichia coli.
Last Answer : c. Pseudomonas aeruginosa.
Description : What bacterial species is most often associated with cystitis? a. Treponemo pallidum b. Escherichia coIi c. Chlamydia trachomatis d. Pseudomonas aeruginosa
Last Answer : b. Escherichia coIi
Description : Which of the following is NOT a condition seen with the development of dental caries? a. A Susceptible Tooth With A Buildup Of Plaque b. Dietary Carbohydrates (Usually Sugar) c. Acidogenic Bacterial Species d. Chewing A Lot Of Gum
Last Answer : d. Chewing A Lot Of Gum
Description : The majority of bacterial species that cause foodborne and waterborne illnesses in humans are _____. a. Gram-Negative Rods b. Gram-Negative Cocci c. Gram-Positive Rods d. Rods Without A Wall
Last Answer : a. Gram-Negative Rods
Description : Traveler's diarrhea is most often caused by a species of _____. a. Salmonella b. Vibrio c. Escherichia d. Listeria
Last Answer : c. Escherichia
Description : What is the name of the syndrome of fever, abdominal cramps, and bloody mucoid stools caused by Shigella species? a. Bacterial dysentery b. Typhoid fever c. Pseudomembranous colitis d. HUS
Last Answer : a. Bacterial dysentery
Description : This species is the most virulent of the vibrios. a. V vulnficus b. V. cholerae c. V enterocolitica d. V. parahaemolyticus
Last Answer : a. V vulnficus
Description : Which one of the following statements does NOT apply to dental plaque? a. It is an example of a biofilm. b. It is most noticeable on the molars. c. Its buildup on teeth can lead to gingivitis and periodontal disease. d. It is dominated by aerobic bacterial species.
Last Answer : d. It is dominated by aerobic bacterial species.
Description : Genomic islands are a. Gene Sequences Not Part Of The Chromosomal Genes. b. Adjacent Gene Sequences Unique To One Or A Few Strains In A Species. c. Acquired By HGT. d. Both B And C Are Correct.
Last Answer : d. Both B And C Are Correct.
Description : A metagenome refers to a. A Large Genome In An Organism. b. The Collective Genomes Of Many Organisms. c. The Genome Of A Metazoan. d. Two Identical Genomes In Different Species.
Last Answer : b. The Collective Genomes Of Many Organisms.
Description : The Ames test is an effective procedure for a. Identifying disease-causing bacterial species. b. Detecting potential human carcinogens. c. Determining if DNA replication has occurred. d. Detecting antibiotic resistance.
Last Answer : b. Detecting potential human carcinogens.
Description : The Ames test is used to a. Identify Potential Human Carcinogens. b. Discover Auxotrophic Mutants. c. Find Pathogenic Bacterial Species. d. Identify Antibiotic Resistant Mutants.
Last Answer : a. Identify Potential Human Carcinogens.
Description : The photosynthetic pigments used by the green sulfur bacteria and some archaeal species are a. Chlorophyll b. Bacteriochlorophyll c. Cytochrome d. Sulfate
Last Answer : b. Bacteriochlorophyll