NEET2015Botany-Biotechnology and its Applications
NEET 2015 Botany Bt Cotton MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to
A
acidic pH of the insect gut
B
action of gut microorganisms
C
presence of conversion factors in insect gut
D
alkaline pH of the insect gut
Correct Answer
Option D
Detailed Explanation
The Bt toxin is activated in the alkaline environment of the insect gut, which allows it to bind to gut cells and cause cell lysis.
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