Question

Cultivation of Bt cotton has been much the news. The prefix “Bt” means

• A. “Barium - treated” cotton seeds
• B. “Bigger thread” variety of cotton with better tensile strength
• C. Production by “biotechnology” using restriction enzymes and ligases
• D. Carrying an endotoxin gene from Bacillus thuringiensis

Answer 1

The correct option is D Carrying an endotoxin gene from Bacillus thuringiensis

BT - cotton is a genetically modified crop, which carries an endotoxin gene, that makes the crop resistance to Ballworm.