Question

Consider the following statements about $Bt$.
I. The bacteria Bacillus thuringiensis $(Bt)$ are used to control butterfly catterpillars.
II. Fresh spores of $Bt$ are mixed with water and sprayed on to vulnerable plants such as brassicas and fruit trees.
III. Insect larvae, after eating $Bt$, 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?

• A. I, II and III
• B. I, III and IV
• C. II, III and IV
• D. I, II, III and IV

Answer 1

Answer: (D)

Correct answer is (d) I, II, III and IV