Bacterial leaf blight of rice is caused by a species
(a) Alternaria (b) Erwinia
(c) Xanthomonas (d) Pseudomonas.

1 Answer

Answer :

(c) Xanthomonas

Related questions

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 : 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 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.

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

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 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)