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 B t toxin?
NEET UG 2009 — Zoology Biotechnology and Its Applications
2009mcqhard
What is true about Bt toxin?
Official previous-year question
Held on 30 Apr 2009 · Verified 9 Jul 2026.
Options
- A
The inactive protoxin gets converted into active form in the insect gut
- B
Bt protein exists as active toxin in the Bacillus
- C
The activated toxin enters the ovaries of the pest to sterilize it and thus prevent its multiplication
- D
The concerned Bacillus has antitoxins
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