RE-NEET Zoology Biotechnology – Applications Class 12 Questions
6 questions
The inactive form of Bt toxin is converted to the active form in the insect gut
Given below are two statements:
Statement I: The Indian Government has set up GEAC, which will make decisions regarding the validity of GM research.
Statement II: Biopiracy is the term used to refer to the use of bio-resources by native people.
In the light of the above statements, choose the correct answer from the options given below:
Match List-I with List-II:
The Bt toxin in genetically engineered Bt cotton kills the pest by:
Following are the steps involved in action of toxin in Bt. Cotton
A. The inactive toxin converted into active form due to alkaline pH of gut of insect.
B. Bacillus thuringiensis produce crystals with toxic insecticidal proteins.
C. The alkaline pH solubilises the crystals.
D. The activated toxin binds to the surface of midgut cells, creates pores and causes death of the insect.
E. The toxin proteins exist as inactive protoxins in bacteria.
Given below are two statements:
Statement I: RNA interference takes place in all Eukaryotic organisms as method of cellular defense.
Statement II: RNAi involves the silencing of a specific mRNA due to a complementary single-stranded RNA molecule that binds and prevents translation of mRNA.
In the light of the above statements, choose the correct answer from the options given below.