Question

Cry protein is obtained from
(a) Bacillus thuringiensis
(b) Bacillus subtilis
(c) Clostridium welchii
(d) E. coli

Answer 1

Cry proteins are a large family of crystalline toxins produced by Bacillus thuringiensis. Bacillus thuringiensis encompasses a group of aerobic, Gram-positive spore-forming bacteria that produce large crystalline inclusions consisting of entomocidal protein toxins. Cry toxins are a major constituent of these inclusions.

Thus, the correct answer is option A. 

Answer 2

Answer:

Cry protein is obtained from

(a) Bacillus thuringiensis ✔

hope it helps buddy