The term antibiotic was first used by
  • Pasteur
  • Lister
  • Waksman
  • Flemming
Lactic acid bacteria (LAB) grow in milk and convert it to curd and also improve its nutritional quality by increasing
  • Vitamin C and A
  • Vitamin B6
  • Vitamin A
  • Vitamin B12
Methanogens growing anaerobically on cellulosic material produce
  • Methane and hydrogen
  • Methane and carbon dioxide
  • Methane, carbon dioxide and hydrogen.
  • Methane
Maximum number of antibiotics are got from any group except for
  • Fungi
  • Viruses
  • Eubacteria
  • Actinomycetes
Identify the fungus with medicinal importance.
  • Agaricus
  • Cercospora
  • Saccharomyces
  • Penicillium
Which one of the following microbes is used in the commercial production of ethanol?
  • Streptococcus spp.
  • Clostridium butyricum
  • Trichoderma polysporum
  • Saccharomyces cerevisiae
A sewage treatment process in which a part of the decomposer bacteria present in the wastes are recycled into the starting of the process is called
  • Cyclic treatment
  • Primary treatment
  • Activated sludge treatment
  • Tertiary treatment
Probiotics are
  • Live microbial food supplement
  • New kind of food allergens
  • Cancer inducing microbes
  • Safe antibiotics
Lactic acid is formed by the process of
  • Fermentation
  • Glycolysis
  • HMP Pathway
  • None of these
Rennin used in the cheese industry is
  • Alkaloid
  • Enzyme
  • Antibiotic
  • Inhibitor
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