Select the incorrect match

Explants before organogenesis, is

$cDNA$ probes are copied from the messenger $RNA $ molecules with the help of

Yeast is an important source of

Consider the following statements

$I$. Flavr savr is a genetically modified tomato, which remains fresh and retains its flavour much longer than the normal tomato due to blocking of synthesis of fruit softening enzyme polygalacturonase

$II$. Recently, the $US$ Government has patented the Indian 'basmati' rice as Rice-tec

$III$. Viruses, bacteria and some other harmful organisms can be used as bioweapons in biological warfare

Which of the statements given above are correct?