Description : Xanthomonas oryzae is causal organism of — disease a. Citrus canker b. Bacterial blight of rice c. Fire blight of apple d. Corn stunt
Last Answer : b. Bacterial blight of rice
Description : Alternaria blight or leaf spot of sunflower is caused by
Last Answer : Ans. Alternaria helianthi
Description : Cellulose is the major component of cell walls of (a) Pseudomonas (b) Saccharomyces (c) Pythium (d) Xanthomonas.
Last Answer : (c) Pythium
Description : Black (stem) rust of wheat is caused by (a) Alternaria solani (b) Ustilago nuda (c) Puccinia graminis (d) Xanthomonas oryzae
Last Answer : (c) Puccinia graminis
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 : A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of (a) Trichoderma (b) Xanthomonas (c) Bacillus (d) Pseudomonas.
Last Answer : (d) Pseudomonas.
Description : Which one of the following is linked to the discovery of Bordeaux mixture as a popular fungicide? (a) Loose smut of wheat (b) Black rust of wheat (c) Bacterial leaf blight of rice (d) Downy mildew of grapes
Last Answer : d) Downy mildew of grapes
Description : Brown leaf spot of rice is caused by — a. Drechslera oryzae b. Cercspora arachidicola c. Xanthomonas oryzae d. Pyricularia oryzae
Last Answer : a. Drechslera oryzae
Description : Alternaria blight of mustard is caused by
Last Answer : Ans. Alternaria brasicae
Description : Bacterial blight/Angular leaf spot is caused by
Last Answer : Ans. Xanthmonas malvacearum (10) Sugarcane
Description : A bio-herbicide to control Poa annua a). Smolder (Alternaria destruens) b). Woad Warrior (Puccinia thaspeos) c). Sarritor (Sclerotinia minor) d). Camperico (Xanthomonas campestris)
Last Answer : d). Camperico (Xanthomonas campestris)
Description : Which one is the wrong pairing for the disease and its causal organism? (a) Black rust of wheat-Puccinia graminis (b) Loose smut of wheat-Ustilago nuda (c) Root knot of vegetables-Meloidogyne sp. (d) Late blight of potato-Alternaria solani
Last Answer : (d) Birds nest fungi and puffballs
Description : .A musty or muddy odor of the fish is attributed to A.the growth of Streptomyces species in the mud at the bottom of the body of water B.the mud at the bottom of the body of water C.the growth of Pseudomonas species in the mud at the bottom of the body of water D.none of the above
Last Answer : A.the growth of Streptomyces species in the mud at the bottom of the body of water
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 : The most destructive phase of the bacterial blight of rice is known as
Last Answer : Ans. Kresek
Description : Swimmer's ear is commonly seen in children from swimming pools in the summer. It is often caused by _____. a. Streptococcus b. Staphylococcus aureus. c. Pseudomonas d. A-C are correct
Last Answer : d. A-C are correct
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 : 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 : 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 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 : 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 : Various bacterial species can be subdivided into A- Subspecies B- biovarieties C- Serovarieties D- all of these
Last Answer : all of these
Description : When nutrients are limiting, some bacterial species can form resistant structures called _____. a. endospores b. cysts c. seeds d. capsules
Last Answer : a. endospores
Description : A bacterial species generation time would be determined during the phase. a. decline b. lag c. log d. stationary
Last Answer : c. log
Description : Intracellular organization in bacterial and archaeal species is centered a. Compartmentation of metabolism. b. Growth and reproduction. c. Sensing and responding to environment. d. All the above (A—C) are correct.
Last Answer : d. All the above (A—C) are correct.
Description : Polluted water usually contains coliform bacteria like _____. a. Streptococcus b. Proteus c. Escherichia coli d. Pseudomonas
Last Answer : c. Escherichia coli
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 : Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis
Last Answer : b. Staphylococcus Aureus.
Last Answer : b. Staphylococcus Aureus
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 : 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 : Pseudomonas aeruginosa forms a blue water soluble pigment called A-pyocyanin B- chlororaphin C- pyoverdin D-β-carotene
Last Answer : pyocyanin
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 : 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 : The pathogen f rice blast or ‘rotten neck’ is (a) Ustilago tritici (b) Pyricularia oryszae (c) Alternaria alternate (d) Plasmopora vitticola
Last Answer : (b) Pyricularia oryszae
Description : Phomopsis blight and Bacterial blight resistant variety of brinjal
Last Answer : Ans. Pant Samrat
Description : Bacterial blight disease is
Last Answer : Ans. Internally seed borne
Description : Black arm or bacterial blight is due to
Last Answer : Ans. Xanthomonas compestris
Description : Which of the following is a bacterial disease? (a) Early blight of potatoes (b) Loose smut of wheat (c) Red rot of sugarcane (d) Red stripe of sugarcane
Last Answer : Ans:(d)
Description : Consider the following four measures (A-D) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common. (A) Spray with Bordeaux mixture (B) Control of the insect vector of the disease pathogen (C) ... (D) (b) (A) and (D) (c) (B) and (C) (d) (A) and (B)
Last Answer : (b) (A) and (D)