Match the scientist of Column $I$ with their contributions in Column $II$.

Column $I$	Column $II$
$A$. Griffith	$i$. Lac operon
$B$. Jacob and Monod	$ii$. $DNA$ is the genetic material
$C$. Meselson and Stahl	$iii$. Transforming principle
$D$. Hershey and Chase	$iv$. $DNA$ replicates semiconservatively

• A
  $A-ii, B-ii, C-iii, D-iv$
• B
  $A-i, B-iv, C-ii, D-iii$
• C
  $A-iii, B-i, C-iv, D-ii$
• D
  $A-iii, B-ii, C-i, D-iv$