Q. All of the statements regarding Bacillus anthracis are true, Except The causative agent of smallpoxNonhemolytic colonies appear on Blood agarCommonly transmitted from animals to humansEndospore-forming bacteria Answer: The causative agent of smallpox

Q. Clostridium perfringens on agar can show all of the following cultural characteristics, Except? MicroaerophilicSpore-formingH2S productionHaemolysis (alpha and beta) Answer: Microaerophilic

Q. Which of the bacteria consists of flagella and shows a positive motility test? Staphylococcus aureusYersinia pestisKlebsiella pneumoniaeProteus vulgaris Answer: Proteus vulgaris

Q. All of the following bacteria are catalase positive, Except E. coliShigella sppStaphylococcus sppStreptococcus spp Answer: Streptococcus spp

Q. The metabolic reactions are shown by different bacteria help in the identification and classification of bacteria, which of the following biochemical tests show a negative result for Escherichia Coli? LactoseIndoleCitrateGlucose Answer: Citrate

Q. All of the following are common stains used in the microbiology laboratory, Except: Bismarck brownLactophenol cotton blueZiehl - Neelsen stainCrystal violet Answer: Bismarck brown

Q. Gram staining technique is used for the differentiation of gram-positive and gram-negative bacteria. What color do gram-negative bacteria show when observed under the microscope after the staining procedure? BluePinkPurpled)Green Answer: Pink

Q. Which of the following dye is commonly used for the Negative staining technique? Crystal violetIndia inkLactophenol cotton bluePeriodic acid- Schiff stain Answer: India ink

Q. A bacteriological stain also known as the differential stain is used for the identification of acid-fast organisms, what is the name of the stain? Negative stainGram stainZiehl-Neelsen stainSchaeffer Fulton stain Answer: Ziehl-Neelsen stain

Q. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? Pseudomonas aeruginosaStreptococcus pneumoniaeBordetella pertussisMycobacterium tuberculosis Answer: Mycobacterium tuberculosis

Q. A Capsule is a......................................layer lying outside the bacterial cell and can be found in both gram-positive and gram-negative bacteria Lipopolysaccharide layerPolysaccharidePhospholipidNone of the Above Answer: Polysaccharide

Q. Which of the following are the growth morphology of the protozoa? Multicellular and non motileUnicellular and non motileMulticellularUnicellular and motile Answer: Unicellular and motile