Which of the following orders of insects are killed by Bacillus thuringiensis?
Answer & explanation
Correct answer: option 4
a- Lepidopterans
b- Coleopterans
c- Dipterans
d- All of these is the correct option
Bacillus thuringiensis produce proteins that kill certain insects such as lepidopterans (tobacco budworm, armyworm), coleopterans (beetles) and dipterans (flies, mosquitoes). B. thuringiensis forms protein crystals during a particular phase of their growth. These crystals contain a toxic insecticidal protein.