Question
Biology Question on biotechnology
Bt cotton is resistant to
A
insects
B
herbicides
C
salt resistant
D
drought resistant
Answer
insects
Explanation
Solution
Bt cotton is produced by the insertion of insect resistance genes from bacterium Bacillus thuringiensis to cotton plant. This gene produces an insect resistant protein toxin crystals, called parasporal body, that can act as a microbial insecticide for specific insect groups.