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Home Microbiology Poultry, Egg and Meat Comments

  • Question
  • Pink rots in eggs is caused by the strains of


  • Options
  • A. Pseudomonas
  • B. Pseudomonas fluorescens
  • C. species of Micrococcus or Bacillus
  • D. none of the above

  • Correct Answer
  • Pseudomonas 


  • Poultry, Egg and Meat problems


    Search Results


    • 1. Vacuum packaged meats are spoiled by

    • Options
    • A. B. thermosphacta
    • B. Lactobacilli
    • C. Both (a) and (b)
    • D. none of these
    • Discuss
    • 2. Black spot in meat are produced mainly by

    • Options
    • A. Cladosporium
    • B. Thamnidium
    • C. Mucor
    • D. Rhizopus
    • Discuss
    • 3. Which of the cause(s) has/have been suggested for the chill rings in sausage?

    • Options
    • A. Oxidation
    • B. Production of organic acids or reducing substances by bacteria
    • C. Excessive water
    • D. all of the above
    • Discuss
    • 4. Which of the following microorganisms grow in beef at a temperature of 15°C and above?

    • Options
    • A. Micrococci
    • B. Pseudomonas
    • C. Both (a) and (b)
    • D. Lactobacillus
    • Discuss
    • 5. Yellow discolorations in meat are caused by bacteria with yellow pigments, usually species of

    • Options
    • A. Micrococcus
    • B. Flavobacterium
    • C. both (a) and (b)
    • D. Pseudomonas syncyanea
    • Discuss
    • 6. The growth of Streptomyces on straw or elsewhere near the egg may produce

    • Options
    • A. musty or earthy flavors
    • B. hay odour
    • C. fishy flavor
    • D. cabbage-water flavor
    • Discuss
    • 7. Lactic acid bacteria in meats may be responsible for

    • Options
    • A. slime formation at the surface or within especially in presence of sucrose
    • B. production of green discoloration
    • C. souring
    • D. all of the above
    • Discuss
    • 8. Which of the following (s) is/are responsible for the green patches on the surface of meats under aerobic conditions?

    • Options
    • A. P. expansum
    • B. P. asperulum
    • C. P. oxalicum
    • D. All of these
    • Discuss
    • 9. Iced, cut up poultry often develops a slime i.e. accompanied by an odor describe as tainted, acid, sour or dishraggy. This defect is chiefly by the species of

    • Options
    • A. Pseudomonas
    • B. Alcaligenes
    • C. hetero-fermentative species
    • D. catalase negative bacteria
    • Discuss
    • 10. The red color of meat, called its bloom, may be changed to shades of green, brown or grey as a result of production of oxidizing compounds by bacteria. Which of the following species are reported to cause the greening of sausage?

    • Options
    • A. Lactobacillus
    • B. Leuconostoc
    • C. Both (a) and (b)
    • D. Pseudomonas
    • Discuss


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