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Assertion A : In Bt cotton B. thuringien...

Assertion A : In Bt cotton B. thuringiensis produces a toxic insecticidal crystalline protein which destroys bollworms.
Reason R : B. thuringiensis produces this toxic protein in an inactive form, but when an insect ingests this inactive protein, it is converted into active form of toxin due to the alkaline pH of gut which solubilises the crystals, which is responsible for the death of bollworm

A

A is correct and R is wrong

B

A is wrong and R is correct

C

A and R both are correct but R is not the explanation of A

D

A and R both are correct and R is the correct explanation of A

Text Solution

Verified by Experts

The correct Answer is:
B
Specific Bt toxin gene are isolated from B. thuringiensis and incorporated in plants
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