• 1. 
    Binary fission in bacteria does not involve

  • spindle formation
  • DNA duplication
  • Cytokinesis
  • Cell elongation
  • 2. 
    Transfer of genetic material from the donor to recipient bacterium through cell contact is termed as

  • transduction
  • recombination
  • conjugation
  • transformation
  • 3. 
    Common vegetative reproduction in bacteria is by

  • conjugation
  • budding
  • oidia
  • binary fission
  • 4. 
    Transfer of genetic material in bacteria through virus is termed as

  • transduction
  • recombination
  • conjugation
  • transformation
  • 5. 
    Genetic recombination between bacterial cells is first demonstrated by

  • Ochoa and Kornberg
  • Har Gobind Khorana
  • H. J. Muller
  • Lederberg and Tatum
  • 6. 
    Which of the following methods of reproduction proved for the first time that DNA is genetic material?

  • Binary fission
  • Conjugation
  • Transduction
  • Transformation
  • 7. 
    Mode of action of penicillin is by

  • inhibiting RNA synthesis
  • inhibiting cell wall formation
  • destroying chromatin
  • inhibiting spindle formation
  • 8. 
    Bacterial sex factor is

  • F-factor
  • col-factor
  • R-factor
  • RNA
  • 9. 
    Which of the following bacteriophages are responsible for specialised transduction?

  • T
  • Lysogenic phages
  • Lytic phages
  • Both and
  • 10. 
    Transduction was discovered by

  • Zinder and Lederberg
  • Ivanovsky
  • Griffith
  • Avery et al
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