Genetic engineering means

  • A

    Manipulation of cell contents

  • B

    Test tube babies

  • C

    Manipulation of cytochromes

  • D

    Manipulation of genes

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The bacterium Bacillus thuringiensis is widely used in contemporary biology as

  • [AIPMT 2009]

How is biotechnology useful for increasing food production in agriculture.

$A$ : 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 $A.$

$B t$ cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis $(Bt)$ is resistant to 

  • [NEET 2020]

Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin$-A$ deficiency?