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Home Microbiology Microbiology of Waste Water See What Others Are Saying!
  • Question
  • Biomass


  • Options
  • A. provides the U.S. with about 50% of its energy
  • B. consists largely of wood, animal, and human waste
  • C. is unlikely to be a major source of energy globally
  • D. offers the consumer high quality energy with low environmental impact

  • Correct Answer
  • consists largely of wood, animal, and human waste 


  • More questions

    • 1. The nitrofurans differ from the antibiotics in that they

    • Options
    • A. do not occur naturally
    • B. occur naturally
    • C. are antimicrobial drugs
    • D. all of these
    • Discuss
    • 2. Anaerobic degradation of proteins brought about by bacteria and fungi give the products like

    • Options
    • A. mercaptans and indole
    • B. H2S
    • C. both (a) and (b)
    • D. None of these
    • Discuss
    • 3. Which capsid symmetry is exhibited by most of the phages?

    • Options
    • A. Helical
    • B. Icosahedral
    • C. Complex
    • D. None of these
    • Discuss
    • 4. The cell reproduction in bacteria may occur by

    • Options
    • A. binary fission
    • B. budding
    • C. fragmentation
    • D. all of these
    • Discuss
    • 5. The different ACC's between food categories reflect the

    • Options
    • A. expected level of contamination of the raw material
    • B. potential for microbial growth during storage
    • C. potential shelf life
    • D. all of the above
    • Discuss
    • 6. The acetate-utilizing methanogens are responsible for

    • Options
    • A. 20% of methane produced in a biogas reactor
    • B. 50% of methane produced in a biogas reactor
    • C. 70% of methane produced in a biogas reactor
    • D. 85% of methane produced in a biogas reactor
    • Discuss
    • 7. Organisms, using organic compounds as electron donors are called

    • Options
    • A. lithotrophs
    • B. phototrophs
    • C. chemotrophs
    • D. organotrophs
    • Discuss
    • 8. Transfer of infection from cell to cell occurs mainly by direct transfer of virions via

    • Options
    • A. plasmodesmata
    • B. cytodesmata
    • C. protodesmata
    • D. none of these
    • Discuss
    • 9. Parsnip like odour and taste in beer is caused by

    • Options
    • A. Flavobacterium proteus
    • B. Zygomonas anaeroium
    • C. Lactobacillus patorianus
    • D. S. carlsbergensis
    • Discuss
    • 10. Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease?

    • Options
    • A. Tetanus
    • B. Botulism
    • C. Diphtheria
    • D. Shigellosis
    • Discuss


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