Class VIII

Living things which are too small to be seen with a naked eye are called
  1. micro-organisms
  2. unicellular organisms
  3. multicellular organisms
  4. complex organisms
Anti-microbial compounds includes
  1. antiseptic
  2. disinfectants
  3. both a and b
  4. antibiotics
Penicillium is used to treat infections which are
  1. viral
  2. bacterial
  3. fungal
  4. yeast
Important decomposers include
  1. bacteria
  2. fungi
  3. both a and b
  4. virus
A bacterial cell lacks
  1. flagella
  2. chromosome
  3. cell wall
  4. nucleus
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