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?

Bt toxin protein crystals present in bacterium Bacillus thuringiensis, do not kill the bacteria themselves because

Plants, bacteria, fungi and animals whose genes have been altered by manipulation are called

Assertion : Insect resistant transgenic cotton has been produced by inserting $Bt$ gene.

Reason : The $Bt$ gene is derived from a bacterium.

$A$ : 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 $A.$