Match the following columns:

Column-$I$	Column-$II$
$P$. Genus	$I$. Poaceae
$Q$. Family	$II$. Triticum
$R$. Order	$III$. Dicotyledonae
$S$. Class	$IV$. Diptera

• A
  $P-I, Q-II, R-IV, S-III$
• B
  $P-II, Q-I, R-III, S-IV$
• C
  $P-I, Q-II, R-III, S-IV$
• D
  $P-II, Q-I, R-IV, S-III$