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 : 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 : 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 : Gas gangrene is caused by _____. a. Clostridium tetani b. Clostridium botulinum c. Clostridium perfringens d. Clostridium gangrenum
Last Answer : c. Clostridium perfringens
Description : Which of the following species of Clostridium is predominantly sacchrolytic? A.C septicum B.C perfringens C.C novyi D.All of these
Last Answer : D.All of these
Description : Polluted water usually contains coliform bacteria like _____. a. Streptococcus b. Proteus c. Escherichia coli d. Pseudomonas
Last Answer : c. Escherichia coli
Description : Which organism is found in the acidic vagina of women of reproductive age? a. Candida albicans b. Lactobacillus c. Escherichia coli. d. Staphylococcus epidermidis
Last Answer : b. Lactobacillus
Description : : All the following are among the opportunistic organisms that may cause nosocomial disease except: a. Pseudomonas aeruginosa. b. Escherichia coli. c. Staphylococcus aureus. d. Mycobacterium leprae.
Last Answer : d. Mycobacterium leprae.
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 : Hemorrhagic colitis and hemolytic uremic syndrome are associated with a. Helicobacter Pylori. b. Staphylococcus Aureus. c. Escherichia Coli. d. Salmonella Typhi.
Last Answer : c. Escherichia Coli.
Description : Gastric ulcer disease is caused by a. Helicobacter pylori. b. Yersinia entercolitica. c. Escherichia coli. d. Salmonella Typh
Last Answer : a. Yersinia pestis.
Description : Escherichia coli is a common gram that can be a cause of a. positive rod; hemorrhagic colitis b. negative rod; traveler‘s diarrhea c. positive coccus; typhoid fever d. negative rod; cholera
Last Answer : b. negative rod; traveler‘s diarrhea
Description : Gastric ulcer disease is caused by a. Helicobacter pylori. b. Yersinia entercolitica. c. Escherichia coli. d. Salmonella Typhi.
Last Answer : a. Helicobacter pylori.
Description : What was the first bacterial genome to be sequenced and made public? A- Bacillus subtilis B- Escherichia coli C- Haemophilus influenza D- No bacterial genome has been sequenced yet
Last Answer : Haemophilus influenza
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 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 : Escherichia coli fully labelled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of the first generation bacteria have (a) different density and do not resemble parent DNA ( ... DNA (c) same density and resemble parent DNA (d) same density but do not resemble parent DNA.
Last Answer : (c) same density and resemble parent DNA
Last Answer : (a) different density and do not resemble parent DNA
Description : Which of the following gram-negative bacteria is/are not aerobic? A.Pseudomonas B.Neisseria C.Escherichia D.None of these
Last Answer : C.Escherichia
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 : A 67-year-old male presents with an intraabdominal abscess secondary to perforated sigmoid diverticulitis. The following statement(s) is/are true concerning his intraabdominal abscess. a. Culture will ... gram-negative enteric bacilli d. The most common anaerobic islet will be a Bacteroides species
Last Answer : Answer: b, c, d Typically an intraabdominal infection results in perforation of a hollow viscus and the ensuing contamination of a normally sterile peritoneal cavity. The normal ... Bacteroides species (especially B. fragilis, Clostridium), and anaerobic cocci are most consistently isolated
Description : Ciprofloxacin is not active against: A. H.influenzae B. E.coli C. Enterobacter spp. D. Bacteroides fragilis
Last Answer : D. Bacteroides fragilis
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 : 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 : The species of bacteria, which possesses 250 genes for lipid biosynthesis is A- M. genitalium B- M. tuberculosis C- E. coli D-H. influenza
Last Answer : M. tuberculosis
Description : What are the main functions of the bacterial flora within the human gut?
Last Answer : Bacteria that live inside the gut have great importance in digestion. Some polysaccharides like cellulose, hemicellulose and pectin are not digested by the digestive enzymes secreted by the ... useful too because they compete with other species preventing excessive proliferation of these bacteria.
Description : The treatment of Localised Juvenile Periodontitis is frequently supplemented with tetracycline because the flora involved is predominant: A. Aerobic B. Strictly anaerobic C. Facultative anaerobic D. Resistant to other antibiotic
Last Answer : C. Facultative anaerobic
Description : Assertion : Escherichia coli, Shigella sp. And salmonella sp. Are all responsible for diarrhoeal diseases. Reason : Dehydration is common to all types
Last Answer : Assertion : Escherichia coli, Shigella sp. And salmonella sp. Are all responsible for diarrhoeal ... If both the assertion and reason are false
Description : A man has an Escherichia coli bacteremia with a low-grade fever (101.6°F). Appropriate management of his fever would be (a) Give acetaminophen 650 mg orally every 4 hours (b) Give aspirin 650 ... fever curve to monitor his response to antibiotic therapy (e) Use tepid water baths to reduce the fever
Last Answer : Ans: D
Description : Which of the following organisms is notorious for developing antimicrobial resistance rapidly ? (a) Streptococcus pyogenes (b) Meningococcus (c) Treponema pallidum (d) Escherichia coli
Description : What is the disease caused by Escherichia coli 0157 ?
Last Answer : H7? Haemorrhagic colitis
Description : Organism contaminating the eggs in the nest is A A. Escherichia coli B. Mycoplasma gallisepticum C. Pasturella multocida D. None of the these
Last Answer : Escherichia coli
Description : Two microbes found to be very useful in genetic engineering are (a) crown gall bacterium and Caenorhabditis elegans (b) Escherichia coli and Agrobacterium tumefaciens (c) Vibrio cholerae and a tailed bacteriophage (d) Diplococcus sp. and Pseudomonas sp
Last Answer : (b) Escherichia coli and Agrobacterium tumefaciens
Description : Experimental material in the study of DNA replication has been (a) Escherichia coli (b) Neurospora crassa (c) Pneumococcus (d) Drosophila melanogaster.
Last Answer : Pneumococcus
Description : Semi-conservative replication of DNA was first demonstrated in (a) Escherichia coli (b) Streptococcus pneumoniae (c) Salmonella typhimurium (d) Drosophila melanogaster.
Last Answer : (c) Salmonella typhimurium
Description : .Match items in column I with those in columnII. Column I Column II (A) Peritrichous flagellation (J) Ginkgo (B) Living fossil (K) Macrocystis (C) Rhizophore (L) Escherichia coli (D) Smallest flowering plant (M) Selaginella (E) Largest perennial ... - M; E - J (d) A - J; B - K; C - N; D - L; E - M
Last Answer : (a) A - L; B - J; C - M; D - N; E - K
Description : Which one of the following organisms is not an eukaryote? (a) Paramecium caudatum (b) Escherichia coli (c) Euglena viridis (d) Amoeba proteus
Last Answer : (b) Escherichia coli
Description : Escherichia coli is used extensively in biological research as it is (a) easily cultured (b) easily available (c) easy to handle (d) easily multiplied in host.
Last Answer : (a) easily cultured
Description : Compared to older tetracyclines, doxycycline produces a lower incidence of superinfection diarrhoea because (a) It is completely absorbed in the small intestines so that drug concentration in the colonic ... (d) It is a potent tetracycline and inhibits the superinfection causing microbes as well
Last Answer : Ans: A
Description : Anticancer drugs weaken host defence by: A. Damaging respiratory and gut epithelia B. Inducing granulocytopenia C. Altering resident microbial flora D. Both 'A' and 'B' are correct
Last Answer : D. Both 'A' and 'B' are correct
Description : Compared to older tetracyclines, doxycycline produces a lower incidence of superinfection diarrhoea because: A. It is completely absorbed in the small intestines so that drug concentration in the colonic contents ... the microbes of the normal gut flora D. It is a potent tetracycline and inhibits
Last Answer : A. It is completely absorbed in the small intestines so that drug concentration in the colonic contents is low
Description : Tricyclic antidepressants can alter the oral absorption of many drugs by: A. Complexing with the other drug in the intestinal lumen B. Altering gut motility C. Altering gut flora D. Damaging gut mucosa
Last Answer : B. Altering gut motility