Practice question

MCQ

Question

Which of the following statements about Bt toxin is incorrect?

Options

Choose one · Correct answer highlighted

Bt toxin is produced by Bacillus thuringiensis. Bt toxin becomes active in the acidic environment of insect guts. Correct Bt toxin does not affect human lls. Bt crops are genetically engineered to produce Bt toxin.

Explanation

Bt toxin is activated in the alkaline gut of insect larvae, not in an acidic environment. This follows from NCERT principle where relation explains outcome clearly for students.

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