Which of the following, when consumed as food, can prevent night blindness caused by Vitamin $A$ deficiency?

Match the pathogens with the diseases they cause:

List-$I$	List-$II$
$(a)$ Fungi	$(1)$ Club rot of crucifers
$(b)$ Bacteria	$(2)$ Late blight of potato
$(c)$ Virus	$(3)$ Black rot of crucifers

The toxic component of $Bacillus$ $thuringiensis$ is:

Which of the following is false for $Bt$ transgenic plants?

Consider the following statements about $Bt$:
$I.$ The bacteria $Bacillus$ $thuringiensis$ $(Bt)$ are used to control butterfly caterpillars.
$II.$ Fresh spores of $Bt$ are mixed with water and sprayed on crops such as brassicas and fruit trees.
$III.$ Insect larvae,after eating these,are killed by the toxin released in their gut.
$IV.$ $Bt$ toxin genes have been introduced into plants to provide resistance to pests.
Which of the statements given above are correct?

What is antisense technology?