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Bacillus thuringiensis (Bt) strains have been used for designing novel:

1. Biofertilizers
2. Bio-metallurgical techniques
3. Bio-mineralization processes
4. Bioinsecticidal plants

Correct answer: Bioinsecticidal plants

Solution

Bacillus thuringiensis makes Cry proteins that are toxic to specific insect larvae. Scientists transferred Bt genes into plants so the plants themselves produce this insecticidal protein, creating bioinsecticidal plants.

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