dsRNA is used to develop pest-resistant tobacco plants by a technique called:

$A$: Biofortified crops such as golden rice are helpful in overcoming the problem of night blindness in developing nations.
$R$: It has enhanced nutritional content of vitamin $A$.

Production of value-added products like nutrition supplements,pharmaceuticals,fuels,etc.,using transgenic crops is called:

The most extensively studied plant-microbe interaction is:

$A$: $Bt$ toxin are protein crystals containing insecticidal protein.
$R$: $B. \text{ thuringiensis}$ forms these protein crystals throughout continuously during their growth period.

Which of the following statements is true regarding the $Bt$ toxin?