"Species Bt Toxin gene is incorporated into cotton plant so as to control infestation of Bollworm". Mention the organism from which the gene was isolated and explain its mode of action.

These questions consist two statements each, printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses. If both Assertion and Reason are true and Reason is correct explanation of Assertion. If both Assertion and Reason are true but Reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:'Bt' toxin gene has been cloned from bacteria and expressed in plants to provide resistance from insect wihtout in need of insecticides. Reason: 'Bt' toxin is produced from bacterium Bacillus thuringiensis.

The gene which codes for a proteinaceous toxin has been transferred to Bt corn and cotton is