Multiple choice

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

  1. “Barium treated” cotton seeds

  2. “Bigger thread” variety of cotton with better tensile strength

  3. Production of “biotechnology” using restriction enzymes and ligases

  4. Carrying an endotoxin gene from Bacillus thuringiensis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bt cotton is a disease resistant variety.

Keep practicing — related questions