Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Molecular Basis of Inheritance question

2014 · Q70
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Biology
  4. /Molecular Basis of Inheritance
  5. /2014 · Q70

Molecular Basis of Inheritance question

2014 · Q70

NEETBiologyMolecular Basis of InheritanceMCQ+4 / −1
Transformation was discovered by :
  1. A
    Griffith
  2. B
    Watson and Crick
  3. C
    Hershey and Chase
  4. D
    Meselson and Stahl
View written solutionFree

Correct answer: A

Frederick Griffith (in 1928), a British Medical officer described the phenomenon of bacterial transformation. He carried out experiment with Streptococcus pneumoniae (bacterium causing pneumonia) which is used to infect mice. By using S Strain (heat killed) and R strain (live) it was concluded that R strain has been transformed by some material of S strain which makes R strain virulent and enable to synthesize smooth polysachharide.

PreviousNext

More from Molecular Basis of Inheritance

  • Which one of the following is wrongly matched?2014 · Multiple correct
  • Select the correct option ;2014 · MCQ
  • The figure gives an important concept in the genetic implication of DNA . Fill the blanks A, B and C. Includes diagram2013 · MCQ
  • Satellite RNA are present in some :2013 · MCQ
  • Which of the following is not a property of the genetic code ?2013 · MCQ
  • Genes of interest can be selected from a genomic library by using :2013 · MCQ
  • One of the most frequently used techniques in DNA fingerprinting is :-2013 · MCQ
  • In an inducible operon, the genes are :2013 · MCQ