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Home Microbiology Fungi - Molds and Yeasts See What Others Are Saying!
  • Question
  • Which of the following is correct?


  • Options
  • A. All members of Sac fungus are also members of chemo-lithotrophic autotroph, but not all members of chemolithotrophic autotroph are members of Sac fungus.
  • B. All members of chemolithotrophic autotroph are also members of Sac fungus, but not all members of Sac fungus are members of chemolithotrophic autotroph.
  • C. All members of Sac fungus are members of chemolithotrophic autotroph, and all members of chemolithotrophic autotroph are members of Sac fungus.
  • D. none of the above

  • Correct Answer
  • All members of Sac fungus are members of chemolithotrophic autotroph, and all members of chemolithotrophic autotroph are members of Sac fungus. 


  • More questions

    • 1. Which of the following can readily kill Salmonellae?

    • Options
    • A. Moist heat at 55°C for 20 min
    • B. Moist heat at 55°C for 10 min
    • C. Moist heat at 55°C for 30 min
    • D. Moist heat at 55°C for 1 hr
    • Discuss
    • 2. Which of the following is correct?

    • Options
    • A. All members of photolithotrophic autotrophs are also members of algae, but not all members of algae are members of photolithotrophic autotrophs
    • B. All members of algae are also members of photolithotrophic autotrophs, but not all members of photolithotrophic autotrophs are members of algae
    • C. All members of photolithotrophic autotrophs are members of algae, and all members of algae are members of photolithotrophic autotrophs
    • D. No member of photolithotrophic autotrophs is a member of algae
    • Discuss
    • 3. Which of the following best describes the algae known as diatoms?

    • Options
    • A. Cells have intricate shells of silicon dioxide with two halves
    • B. Cells are encased in rigid walls composed of cellulose coated with silicon
    • C. Cells have flagella and a light-detecting eye spot
    • D. Cells contain carotenoid pigments as well as chlorophyll A and B
    • Discuss
    • 4. Alcohol production from starch and raw sugar utilizes selected strains of

    • Options
    • A. Saccharomyces cerevisiae
    • B. Candida pseudotropicalis
    • C. Candida utilis
    • D. none of these
    • Discuss
    • 5. Which of the following is not an industrial product made by the fungus Aspergillus niger?

    • Options
    • A. Galactosidase
    • B. Citric acid
    • C. Gluconic acid
    • D. Lysine
    • Discuss
    • 6. Lag phase is also known as

    • Options
    • A. period of initial adjustment
    • B. transitional period
    • C. generation time
    • D. none of these
    • Discuss
    • 7. Salmonellois is caused by the

    • Options
    • A. enterotoxin of Salmonella spp
    • B. endotoxin of Salmonella spp
    • C. neurotoxin of Salmonella spp
    • D. exoenterotoxin of Salmonella spp
    • Discuss
    • 8. Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

    • Options
    • A. CaCO3
    • B. (NH4)2 HPO4
    • C. MgSO4
    • D. Na2SO4
    • Discuss
    • 9. Which of the following is a gram-positive bacteria?

    • Options
    • A. Lactobacillus
    • B. Staphylococci
    • C. Streptococci
    • D. All of these
    • Discuss
    • 10. Number of motility structures on flagellated cells is

    • Options
    • A. greater than ciliated cells
    • B. lesser than ciliated cells
    • C. equal to ciliated cells
    • D. none of these
    • Discuss


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