Bt Cotton

Q. The first genetically modified plant commercially released India is

1. Golden rice
2. Slow ripening tomato
3. Bt brinjal
4. Bt cotton

Q. Cultivation of Bt cotton has been much in the news. The prefix Bt stands for

1. barium-treated cotton seeds
2. bigger thread variety of cotton with better tensile strength
3. produced by biotechnology using restriction enzymes and ligases
4. Bacillus thuringiensis, the bacteria from which the endotoxin gene is taken and inserted into cotton plant

Q. Bt cotton/Bt toxin is not

1. a GM plant
2. insect resistant
3. obtain from bacterial gene
4. resistant to all pesticides