Which catfish has become a threat to the indigenous catfish in our rivers?

Genetic modification has:
$I$. reduced reliance on chemical pesticides
$II$. reduced post-harvest losses
$III$. increased efficiency of minerals used by the plants
$IV$. enhanced nutritional value of the food
Which of the statements given above are correct?

Transgenic plants are the ones

Golden rice is a genetically modified crop plant. Which of the following is synthesized by the gene inserted into it?

$RNA$ interference,which is employed in making tobacco plants resistant to $Meloidogyne \ incognita$,is essentially involved in:

The anticoagulant hirudin is obtained from