AIPMT PRELIMS2009Zoology-Biotechnology
AIPMT PRELIMS 2009 Zoology Bt Crops MCQ Question
Type: MCQ-conceptual-Medium-Class 12
What is true about Bt toxin?
A
Bt protein exists as active toxin in the Bacillus.
B
The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication.
C
The concerned Bacillus has antitoxins.
D
The inactive protoxin gets converted into active form in the insect gut.
Correct Answer
Option D
Detailed Explanation
Bt toxin is produced as an inactive protoxin and gets converted into an active form in the alkaline gut of the insect.
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