Question
Which one of the following is a correct statement?
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$II.$ Photosystem-$II$ is a photosynthesis pigment located on the non-appressed part of stroma only
Identify wheather the given statements are correct or incorrect and choose the correct accordingly
$I.$ The bacteria Bacillusthuringiensis $(B t)$ are used to control butterfly catterpillers
$II.$ Fresh spores of $B t$ are mixed with water and sprayed on seeds 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?