NEET Solved Paper 2019 Question 59

Question: What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm? [NEET 5-5-2019]

Options:

A) Alkaline pH of gut

B) Acidic pH of stomach

C) Body temperature

D) Moist surface of midgut

Show Answer

Answer:

Correct Answer: A

Solution:

  • Protoxin are converted into active toxins in the alkaline pH of gut