Biology Biotechnology and Its Application Biotechnology Application in Agriculture Single Correct MCQ
Published on: August 13, 2026

The Bt toxin protein

A
increases the protein content
B
causes death of the insect ingesting it
C
stops egg laying of adult
D
generating excessive heat

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Verified by Experts
The correct answer is:
B

When an insect feeds on a plant containing Bt toxin, the toxin becomes activated in the insect's alkaline gut. It creates pores in the gut wall, damaging the intestine and ultimately causing the insect's death.

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