Statement I: Some strains of Bacillus thuringiensis produce proteins that kill certain insects such as tobacco budworm, armyworm, beetles and flies, mosquitoes.
Statement II: The Bt toxin protein exist as inactive protoxins when insect ingest the inactive toxin, it is converted into an active form of toxin.
Text Solution
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Statement I: Correct
Bt (Bacillus thuringiensis) produces proteins toxic to insects like tobacco budworm, armyworm, beetles, and mosquitoes.
Statement II: Correct
Bt toxin is produced as an inactive protoxin, which becomes active in the alkaline gut of insects after ingestion.
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