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  • Question
  • The greening of sausage may appear as a green ring not far from the casing, a green core, or a green surface. The cause of greening is the production of hydrogen peroxide by


  • Options
  • A. hetero-fermentative species
  • B. catalase negative bacteria
  • C. both (a) and (b)
  • D. none of these

  • Correct Answer
  • both (a) and (b) 


  • Poultry, Egg and Meat problems


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    • 1. The spoilage of eggs by fungi goes through stages of mold growth that give the defects their names. Very early mold growth is termed

    • Options
    • A. pin-spot molding
    • B. fungal rotting
    • C. superficial fungal spoilage
    • D. any of these
    • Discuss
    • 2. Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions?

    • Options
    • A. Thamnidium
    • B. Rhizopus
    • C. T. elegans
    • D. M. mucedo
    • Discuss
    • 3. Black rots in eggs is most commonly caused by

    • Options
    • A. species of Proteus
    • B. species of Micrococcus or Bacillus
    • C. molds or yeasts
    • D. all of these
    • Discuss
    • 4. Bacterial ropiness in milk is caused by

    • Options
    • A. slimy capsular material from the cells usually gums or mucins
    • B. slimy capsular material from the cells usually proteins
    • C. slimy capsular material from the cells usually lipids
    • D. all of the above
    • Discuss
    • 5. The acidity may be described as "aromatic" when

    • Options
    • A. Lactic streptococci and aroma forming Leuconostoc species are growing together
    • B. Streptococcus lactis and other lactis are growing together
    • C. appreciable amounts of volatile fatty acids are produced by Coliform bacteria
    • D. all of the above
    • Discuss
    • 6. Green rots in eggs is chiefly caused by

    • Options
    • A. Pseudomonas fluorescens
    • B. Micrococcus or Bacillus species
    • C. Molds or yeasts
    • D. all of the above
    • Discuss
    • 7. White spot in meat is formed due to presence of

    • Options
    • A. P. expansum
    • B. Sporotrichum carnis
    • C. both (a) and (b)
    • D. P. oxalicum
    • Discuss
    • 8. Which of the following is responsible for a musty or earthy flavor?

    • Options
    • A. Actinomycetes
    • B. Flavobacterium
    • C. both (a) and (b)
    • D. Pseudomonas syncyanea
    • Discuss
    • 9. In storage atmospheres of high humidity variety of molds may cause

    • Options
    • A. superficial fungal spoilage
    • B. bacterial spoilage
    • C. both (a) and (b)
    • D. none of these
    • Discuss
    • 10. Unopened, sliced bacon, packaged in material somewhat highly resistant to oxygen permeability, is spoiled mostly by

    • Options
    • A. Lactobacilli
    • B. Micrococci
    • C. fecal Streptococci
    • D. molds
    • Discuss


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