NEET 2019 Model Question Paper 3

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Question : 30 of 180

Marks: +1, -0

What is true about Bt toxin ?

Bt protein exists as active toxin in the Bacillus
The activated toxin enters the ovaries of the pest to sterilize it and thus prevent its multiplication
The concerned Bacillus has antitoxins
The inactive protoxin gets converted into active form in the insect gut

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