HomeTestsSearchRankProfile
hardAssertion & ReasoningNEET 2024 R1@NUM: 1092026Botany
1 mark

Given

  1. A
    Bt toxin exists as inactive protoxin in Bacillus thuringiensis.
  2. B
    After ingestion by the insect, the inactive protoxin gets converted into its active form due to the acidic pH of the insect gut.

Solution & Step-by-step Explanation

The Bt protoxin is converted into its active form in the alkaline pH of the insect gut, not acidic. This active toxin binds to the surface of midgut epithelial cells and creates pores.

Practice this question

Try it yourself before checking the explanation above.

Given

Assertion (A)

Bt toxin exists as inactive protoxin in Bacillus thuringiensis.

Reason (R)

After ingestion by the insect, the inactive protoxin gets converted into its active form due to the acidic pH of the insect gut.

Share This Question

BiotechnologyBt Toxin

Related Questions

easyMCQ

Which one of the following statements is true?

easyMCQ

Which of the following statements is not correct?

easyMCQ

Which one of the following statements is correct?

easyMCQ

The product formed by the reaction of an aldehyde with a primary amine is:

easyMCQ

Which part of the tobacco plant is infected by Meloidogyne incognita?

easyMCQ

The term ecosystem was coined by:

Ready for a Full Test?

Practice with timed mock tests and track your performance across Botany.

Browse TestsLeaderboard

Discussion