Bt cotton contains a gene from which organism for pest resistance?
- Agrobacterium
- Bacillus thuringiensis
- Escherichia coli
- Rhizobium
Answer: Bacillus thuringiensis
Bt gene produces Cry protein toxic to bollworm larvae but safe for humans. First commercially approved GM crop in India (2002). Important for biotechnology and agriculture. [[DBT Reports, NCERT Biology Class 12]]