Assertion (A) : Acidic pH of insect converts inactive Bt toxin into active form
Reason (R) : Most of Bt toxins are insect group specific.

Bt toxin kills the insect by

Bt toxin kills the insect by

Bt toxin kills insects by

Bt toxin kills insects by

How is Bt toxin converted into active form?

Which type of pH is responsible for conversion of inactive Bt protoxin into active form to toxin

Assertion: The protein encoded by cry I Ab is not effective in control of cotton bollowrms Reason :Most Bt toxin are insect group specific

Assertion: The activated toxin binds to the surfacce of midgut epithelial cells & create pores that cause cell swelling & lysis & finally death of insect Reason :Most of Bt toxins are insect group specific

Assertion: The activated toxin binds to the surfacce of midgut epithelial cells & create pores that cause cell swelling & lysis & finally death of insect Reason :Most of Bt toxins are insect group specific