Biotechnology And Its Applications Ques 11
11. Some of the characteristics of Bt cotton are its resistance to certain insect pests, increased yield potential, and reduced need for chemical pesticides.
(a) long fibre and resistance to aphids
(b) medium yield, long fibre and resistance to beetle pests
(c) high yield and production of toxic protein crystals which kill dipteran pests
(d) high yield and resistance to bollworms
Show Answer
Answer : d
Hints & Solutions
(d) Bt toxin genes were isolated from Bacillus thuringiensis and incorporated into cotton plants to form a genetically modified crop called Bt cotton. Bt cotton has high yield and resistance to bollworms.
BETA
