Which of the following statements about Bacillus thuringiensis are correct?
A. One of the toxin produced by the bacteria is thurioside, which is active against different groups of insect larvae.
B. The toxin accumulates inside the bacteria during sporulation.
C. Upone ingestion by susceptible insects they are converted into active form and kill them by inhibition of ion transport in the midgut.
D. The proteins encoded by the gene Cry II Ab contrls com borer.

Options

A. B only
B. A and B
C. A, B and C
D. A, B, C and D

Answer

C