Question

The trigger for activation of toxin of Bacillus thuringiensis is [NCERT Exemplar]
(a) acidic pH of stomach.
(b) high temperature.
(c) alkaline pH of gut
(d) mechanical action in the insect gut.

Answer 1

Explanation:

The correct ans is option C

since alkaline pH of gut activated the enzyme

we all know that enzymes get affected by pH

Alkaline pH of gut facilitates the toxin. This toxin pierce the entire small intestine of prey.

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