Bacillus thuringiensis produce endotoxin which when ingested and released in the gut of the larvae of insect pest, disrupts the insect gut lining thereby killing earthen. Related Theory Bacillus thuringiensis (Bt), is a grampositive soil bacterium. It forms Cry proteins during the stationary phase of its growth cycle. First, identify a strain of Bt that kills the targeted insect. Then isolate the gene that produces the lethal protein. That gene is removed from the Bt bacterium and is inserted into plant cells. Any plant cell that has the Bt gene must also have the resistance gene that was attached to it and grown or cultured. The modified plants produce the same lethal Bt protein produced by Bt bacteria because the plants now have the same gene. 
Microbe used for biocontrol of pest butterfly caterpillars:
NEET UG 2013 — Zoology Microbes in Human Welfare
Microbe used for biocontrol of pest butterfly caterpillars:
Held on 30 Apr 2013 · Verified 9 Jul 2026.
Options
- A
Saccharomyces cerevisiae
- B
Bacillus thuringiensis
- C
Streptococcus sp.
- D
Trichoderma sp.
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
NEET UG Microbes in Human Welfare in other years
More NEET UG Microbes in Human Welfare questions
Which of following organisms cannot fix nitrogen? A. Azotobacter B. Oscillatoria C. Anabaena D. Volvox E. Nostoc Choose the correct answer from the options given below:
Which of the following is an example of non-distilled alcoholic beverage produced by yeast?
Streptokinase produced by bacterium Streptococcus is used for
Which of the following microbes is NOT involved in the preparation of household products? A. Aspergillus niger B. Lactobacillus C. Trichoderma polysporum D. Saccharomyces cerevisiae E. Propionibacterium sharmanii Choose the correct answer from the options given below:
Given below are two statements: Statement I: Antibiotics are chemicals produced by microbes that kill other microbes. Statement II: Antibodies are chemicals formed in body that eliminate microbes. In the light of the above statements, choose the most appropriate answer from the options given below.
Other Zoology topics for NEET UG
Keep practicing Microbes in Human Welfare
Work through every NEET UG Microbes in Human Welfare PYQ, year by year.