Match the following columns:

Column-$I$	Column-$II$
$P$. Fungal diseases	$I$. Tobacco mosaic
$Q$. Bacterial diseases	$II$. Black rot of crucifers
$R$. Viral diseases	$III$. Brown rust of wheat
	$IV$. Turnip mosaic
	$V$. Red rot of sugarcane
	$VI$. Late blight of potato

• A
  $(P - III, V, VI), (Q - II), (R - I, IV)$
• B
  $(P - III, II, VI), (Q - I, IV), (R - V)$
• C
  $(P - I, IV), (Q - V), (R - III, II, VI)$
• D
  $(P - I, II), (Q - III, VI), (R - IV, V)$