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 : 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 : 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 : 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 : 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 : Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes ... iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv).
Last Answer : (d) (i), (ii) and (iv)
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 : The bacteria generally used for genetic engineering is (a) Agrobacterium (b) Bacillus (c) Pseudomonas (d) Clostridium.
Last Answer : (a) Agrobacterium
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 : Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi
Last Answer : c. Tetracycline-viruses
Description : Conjugation pili are found only on some ______ bacteria, though it may occur between cells of various bacteria. a. Gram-positive b. Gram-negative c. Acid-fast d. Capsule containing
Last Answer : b. Gram-negative
Description : The cell wall of A.gram-positive bacteria are thicker than gram-negative bacteria B.gram-negative bacteria are thicker than gram-positive bacteria C.both have same thickness but composition is different D.none of these
Last Answer : A.gram-positive bacteria are thicker than gram-negative bacteria
Description : The gram-positive bacteria lack __________ structure/component? A.outer membraneĀ B.murein C.teichoic acidĀ D.plasma membrane
Last Answer : A.outer membrane
Description : Gram-positive bacteria, responsible for food poisoning, is/are A.Mycoplasmas B.Pseudomonas C.Clostridia D.all of these
Last Answer : C.Clostridia
Description : Gram-positive bacteria, responsible for food poisoning, is/ar A.Mycoplasmas B.Pseudomonas C.Clostridia D.all of these
Last Answer : .Clostridia
Description : Which of the following is true about cell wall of gram-positive bacteria? A- It consists of multiple layers B- It is thicker than that associated with gram-negative bacteria C- It contains teichoic acids D- D.All of these
Last Answer : D.All of these
Description : Selective media facilitate growth of only one kind of organism.Saboraud medium is used to selectively isolate A- coliform bacteria B- gram positive bacteria C- .yeasts D- acid fast organisms
Last Answer : .yeasts
Description : Porins are located in A- the outer membrane of gram-negative bacteria B- he peptidoglycan layer of gram-positive bacteria C- the cytoplasmic membrane of both gram-negative and gram-positive bacteria D- the periplasmic space of gram-negative bacteria
Last Answer : the outer membrane of gram-negative bacteria
Description : Teichoic acids are typically found in A- cell walls of gram positive bacteria B- outer membranes of gram positive bacteria C- cell walls of gram negative bacteria D- outer membranes of gram negative bacteria
Last Answer : cell walls of gram positive bacteria
Description : The cell wall of A- gram-positive bacteria are thicker than gram-negative bacteria B- gram-negative bacteria are thicker than gram-positive bacteria C- both have same thickness but composition is different D- none of these
Last Answer : gram-positive bacteria are thicker than gram-negative bacteria
Description : The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as A-lipase B- .lysozyme C- .pectinase D-.peroxidase
Last Answer : .lysozyme
Description : Which of the following is true about cell wall of gram-positive bacteria? A-It consists of multiple layers B- It is thicker than that associated with gram-negative bacteria C- It contains teichoic acids D- All of these
Last Answer : All of these
Description : Which of the following may contain fimbriae? A- Gram-positive bacteria B- .Gram-negative bacteria C- Both (a) and (b) D- None of these
Last Answer : C. A and b
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 of the following bacteria dies quickly after drying? A- .Treponema palladium B- Mycobacterium tuberculosis C- Staphylococcus aureus D- Pseudomonas aeruginosa
Last Answer : .Treponema palladium
Description : Bacteria of genus Nitrosomonas use __________ as their electron source. A.ammonia B.H2S C.succinate D.light
Last Answer : A.ammonia
Description : Which of the following is NOT one of the 3 basic shapes of bacteria? a. bacillus b. coccus c. spirillum d. square
Last Answer : d. square
Description : Ulcerative enteritis is caused by C A. Salmonella typhimurium B. Mycoplasma iowe C. Clostridium colinum D. None of the these
Last Answer : Clostridium colinum
Description : Which of the following has drum stick appearance Options: 1) Clostridium tetani 2) Pneumococcus 3) Streptococcus pneumoniae 4) Staphylococcus epidermis
Last Answer : Correct Answer: 1) Clostridium tetani
Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus
Last Answer : (b) Mycoplasma
Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus
Last Answer : (2) Mycoplasma
Description : The acetate-utilizing methanogens are responsible for A.20% of methane produced in a biogas reactor B.50% of methane produced in a biogas reactor C.70% of methane produced in a biogas reactor D.85% of methane produced in a biogas reactor
Last Answer : C.70% of methane produced in a biogas reactor
Description : Bacillus anthracis is a gram-_____ rod. a. Positive, Spore-Forming b. Positive, Anaerobic c. Negative, Spore-Forming d. Negative, Aerobic
Last Answer : a. Positive, Spore-Forming
Description : Is an example of a bacterium (choose all that apply) chicken pox the flu ameoba Bacillus anthracis yeast parameceum Staphylococcus aureus mushrooms?
Last Answer : Need answer
Description : Typhoid is caused by - (1) Pseudomonas sp. (2) Staphylococcus (3) Bacillus (4) Salmonella typhi
Last Answer : (4) Salmonella typhi Explanation: Typhoid fever, also known as typhoid, is a common worldwide bacterial disease, transmitted by the ingestion of food or water contaminated with the feces of an ... rod shaped, flagellated, aerobic, Gram-negative bacterium. It is a member of the genus Salmonella.
Description : Typhoid is caused by (1) Pseudomonas sp. (2) Staphylococcus (3) Bacillus (4) Salmonella typhi
Last Answer : Salmonella typhi
Description : Weil-Felix reaction is based on sharing of antigens between A.sheep RBCs and EB virus B.mycoplasma and human O group RBCs C.rickettsial antigens and antigens of certain strains of Proteus D.none of these
Last Answer : C.rickettsial antigens and antigens of certain strains of Proteus
Description : Which of the following microorganisms is classified as a member of archaebacteria? A- Gyanobacteria B- Methanobacteria C-Trichomonads D- Mycoplasma
Last Answer : Methanobacteria
Description : Which of the following organisms do not have rigid cell wall A Archaea B Chlamydia C Mycoplasma D Rickettsia
Last Answer : D Rickettsia
Description : The drug isoniazid is used widely in contemporary medicine to a. Treat tuberculosis. b. Prevent fungal overgrowth in the intestine. c. Clear away wound infections. d. Eliminate infections due to gram-negative bacteria.
Last Answer : a. Treat tuberculosis.
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 : A medium containing crystal violet dye plus sodium deoxycholate will allow A- gram (-)ve intestinal bacteria to grow B- gram (+)ve intestinal bacteria to grow C- .aquatic bacteria to grow D- none of these
Last Answer : gram (-)ve intestinal bacteria to grow
Description : Gram-negative bacteria would stain_________ with the Gram stain and have _______in the wall. a. orange-red; Teichoic acid b. orange-red; lipopolysaccharide c. purple; peptidoglycan d. purple; Teichoic acid
Last Answer : c. purple; peptidoglycan
Description : Gentamicin and other aminoglycoside drugs are widely prescribed for treatment of _____ infections. a. fungal b. gram-positive bacterial c. gram-negative bacterial d. staphylococcal
Last Answer : c. gram-negative bacterial
Description : Penicillins are useful in treating a. Gram-positive infections. b. Leprosy. c. Gram-negative infections. d. Tuberculosis.
Last Answer : a. Gram-positive infections.
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.