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Biology · PYQ NEET UG 2024
हिन्दीGiven below are two statements: Statement I : Bt toxins are insect group specific and coded by a gene cry IAc. Statement II : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic pH of the insect gut. In the light of the above statements, choose the correct answer from the options given below:
Correct answer · Option 1
Statement I is true but Statement II is false
Explanation
Statement I is true. Statement II is false because the inactive protoxin is converted into the active toxin due to the alkaline pH of the insect gut, not acidic pH.
