Which of the following statements is/are correct?
$I.$ Chemical fertilizers cause pollution of water bodies as well as groundwater, besides getting stored in crop plants. Therefore, environmental scientists are pressing for a switch over to organic farming.
$II.$ Organic farming is a form of agriculture that relies on techniques such as crop rotation, green manure, compost and biological pest Select the correct statement
Only $I$
Only $II$
$I$ and $II$
None of these
Microbes found to be very useful in genetic engineering are
The bacterium Bacillus thuringiensis is widely used in contemporary biology as
Transgenic plants are
Golden rice is a transgenic crop of the future with the following improved trait
Assertion : Insect resistant transgenic cotton has been produced by inserting $Bt$ gene.
Reason : The $Bt$ gene is derived from a bacterium.