Cultivation of Bt Cotton has been much in the news . The prefix "Bt" means

Options

A. Barium-treated cotton seed
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

D

Explanation

Bt refers to bacteria bacillus thuringiensis that contain an end toxin called cry protein that provide resistance to cotton plant against bollworm