(I) Recombinant DNA technology is used to improve crop plants by increasing their productivity, by making them more nutritious and by developing disease resistant.
(II) Bt cotton is resistant to bollworm infestation.
(III) Bacillus thuringiensis form cry protein during any phase of their growth
(IV) Bacillus thuringiensis is not harmed by self Cry protein because of its occurrence as protoxin (inactive)
(V) Protoxin Cry protein is changed into active Cry protein in the stomach of insects due to alkane pH in stomach
Text Solution
Verified by ExpertsC
Statement (III) – False
Bacillus thuringiensis produces Cry proteins only during sporulation, not during all phases of growth. Hence, this statement is incorrect.
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