Bacillus thuringiensis toxin is an inactive protoxin, which gets converted into active form in the insect gut. It works as an insecticide.
What is true about Bt toxin?
Held on 30 Apr 2009 · Verified 9 Jul 2026.
The inactive protoxin gets converted into active form in the insect gut
Bt protein exists as active toxin in the Bacillus
The activated toxin enters the ovaries of the pest to sterilize it and thus prevent its multiplication
The concerned Bacillus has antitoxins
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Given below are two statements : Statement I : Transfer RNAs and ribosomal RNA do not interact with mRNA. Statement II : RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence. In the light of the above statements, choose the most appropriate answer from the options given below :
Silencing of specific mRNA is possible via RNAi because of
Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?
The $B t$ toxin in genetically engineered $B t$ cotton kills the pest by:
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Work through every NEET UG Biotechnology and Its Applications PYQ, year by year.