Bt Toxin
Trending Questions
Q.
Which of the following is a correct statement?
“Bt” in “Bt-cotton” indicates that it is a genetically modified organism produced through biotechnology.
Somatic hybridization involves fusion of two complete plants carrying desired genes.
The anticoagulant hirudin is being produced from transgenic Brassica napus seeds.
“Flavr Savr” variety of tomato has enhanced the production of ethylene which improves its taste.
Q. In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to:
- presence of conversion factors in the insect gut
- alkaline pH of the insect gut
- acidic pH of the insect gut
- the action of gut microorganisms
Q.
Why does Bt toxin not kill the bacteria that produce it?
Q. Which of the following are pest resistant plants?
- Bt - Cotton
- Bt - Carrot
- Bt - Raddish
- Bt - Brinjal
Q.
In Bt Cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to.
Alkaline pH of the insect gut
Presence of conversion factors in insect gut
Action of gut microorganisms
Acidic pH of the insect gut
Q. Bt toxins are?
- Intracellular lipids
- Intracellular crystalline proteins
- Extracellular crystalline proteins
- Intracellular polysaccharides