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  • Question
  • Ropiness in bread is caused by


  • Options
  • A. Bacillus subtilis
  • B. A. niger
  • C. R. nigricans
  • D. P. expansum

  • Correct Answer
  • Bacillus subtilis 


  • Miscellaneous Foods problems


    Search Results


    • 1. Which of the following organism is found at the initial stages in the batter of Idli?

    • Options
    • A. Leuconostoc mesentroides
    • B. Aspergillus niger
    • C. Bacillus natio
    • D. None of these
    • Discuss
    • 2. Grains spoiled by molds are a potential animal or human health hazard as well as a great economic loss. Which is/are the common species of molds in the spoilage of stored grains by molds?

    • Options
    • A. Aspergillus
    • B. Penicillium
    • C. Fusarium
    • D. All of these
    • Discuss
    • 3. The most important organism involved in manufacture of Koji is

    • Options
    • A. Aspergillus oryzae
    • B. Aspergillus soyae
    • C. both (a) and (b)
    • D. Lactobacillus lactis
    • Discuss
    • 4. Which of the following (s) is/are the major spoilage of soft drinks from the marked growth of yeasts and bacteria?

    • Options
    • A. Cloudiness and ropiness
    • B. Flat sour spoilage
    • C. Superficial fungal spoilage
    • D. Pin-spot molding
    • Discuss
    • 5. The most commonly used medium for the build up of cultures and the production of baker's yeast consist of

    • Options
    • A. molasses and minerals
    • B. molasses, minerals and salts
    • C. molasses
    • D. molasses, lactose
    • Discuss
    • 6. Which of the following disease is caused by DNA viruses?

    • Options
    • A. Poliomyelitis
    • B. Yellow fever
    • C. Measles
    • D. Small pox
    • Discuss
    • 7. Coxsackie virus B3, a subgroup of enteroviruses, commonly causes

    • Options
    • A. acute hemorrhagic conjunctivitis
    • B. muscular dystrophy
    • C. myocarditis
    • D. gastroenteritis
    • Discuss
    • 8. Both Mycobacterium tuberculosis and Streptococcus pneumoniae

    • Options
    • A. are acquired by inhalation
    • B. have cell walls that contain a high content of mycolic acids
    • C. have polysaccharide capsules
    • D. stay in the lung and rarely, if ever, enter the bloodstream
    • Discuss
    • 9. Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of

    • Options
    • A. B cells
    • B. macrophages
    • C. ciliated epithelial cells
    • D. M cells
    • Discuss
    • 10. The agent responsible for causing mad cow disease is thought to be a

    • Options
    • A. fungus
    • B. protozoan
    • C. prion
    • D. virus
    • Discuss


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