Description : The organisms responsible for the characteristic musty or earth odor of a freshly plowed fieldis/are A.Nocardia B.Streptomyces C.Micromonospora D.all of these
Last Answer : D.all of these
Description : Principal source of antibiotic is/are (1) Streptomyces (2) Micromonospora (3) Rhizopus (4) Nocardia
Last Answer : Ans. ((c))
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 : Biodiversity loss occurs due to (i) habitat loss and fragmentation (ii) co-extinction (iii) over-exploitation (iv) alien species invasion.
Last Answer : Biodiversity loss occurs due to (i) habitat loss and fragmentation (ii) co-extinction (iii) over-exploitation (iv) ... (iv) D. (i), (ii) and (iv)
Description : Which of the following is the most important cause of animals and plants being driven to extinction? (a) Habitat loss and fragmentation (b) Co-extinctions (c) Over-exploitation (d) Alien species invasion
Last Answer : (a) Habitat loss and fragmentation
Description : Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as (a) co-extinction (b) habitat fragmentation (c) over-exploitation (d) alien species invasion.
Last Answer : (d) alien species invasion.
Description : Which of the following is the most important for animals and plants being driven to extinction? (a) Alien species invasion (b) Habitat loss and fragmentation (c) Drought and floods (d) Economic exploitation
Last Answer : (b) Habitat loss and fragmentation
Description : Nocardia infection?
Last Answer : DefinitionNocardia infection is a rare disorder affecting the lungs, brain, or skin. It occurs mainly in people with weakened immune systems.Alternative NamesNocardiosisCauses, incidence, and risk ... getting nocardiosis are a weakened immune system or chronic lung disease. People on lo
Description : Chloramphenicol is particularly effective in the treatment of (a) Diphtheria (b) Tuberculosis (c) Emphysema (d) Rickettsial diseases (e) Streptomyces pyogenes infections
Last Answer : Ans: D
Description : Which one of the following pairs is not correctly matched? (a) Streptomyces - Antibiotic (b) Serratia - Drug addiction (c) Spirulina - Single cell protein (d) Rhizobium - Biofertilizer
Last Answer : b) Serratia - Drug addiction
Description : .How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia (a) Four (b) Five (c) Six (d) Three
Last Answer : (c) Six
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 : 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 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 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 : 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
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 : The PCR/sequencing approach to rRNA is most likely to give information about A.the species to which the bacteria are most closely related B.morphology of the bacterium C.the type of energy metabolism the bacterium has D.whether the bacterium is motile
Last Answer : A.the species to which the bacteria are most closely related
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 : Syntrophism involves A- exchange of nutrients between two species B- exchange of nutrients among species C- no exchange of nutrients between two species D- no exchange of nutrients among species
Last Answer : exchange of nutrients between two species
Description : Most important species of vinegar bacteria causing sliminess is A-.Acetobacteraceti B- Saccharomyces carlsbergiensis C- Lactobacillus lactis D- None of the above
Last Answer : .Acetobacteraceti
Description : Treponema species from human oral cavity can be selected by using A- pH of the medium B- .incubation temperature C- cell size and motility D- all of these
Last Answer : cell size and motility
Description : Most important species of vinegar bacteria causing sliminess is A- Acetobacteraceti B- Saccharomyces carlsbergiensis C- Lactobacillus lactis D- None of the above
Last Answer : Acetobacteraceti
Description : The species of animals which is most susceptible to rabies infection is A- .dog B- Cat C- Fowl D- Cow
Last Answer : Cat