Q. No.
Which of the following is not an example of bio-pesticide
(1) Bt cotton
(2) Bt corn
(3) Bt Soyabean
(4) Chilli
Which of the following coleoptera is killed by proteins produced by a particular strain of Bacillus thuringiensis?
(1) Mosquitoes
(2) Flies
(3) Beetles
(4) Tobacco budworm
Which of the following lepidoptera is killed by proteins produced by a particular strain of Bacillus thuringienesis?
(1) Mosquitoes
(2) Flies
(3) Beetles
(4) Tobacco budworm
B. thuringienesis produces protein…..during …..their life cycle.
1. Solution, specific phase of
2. Crystal, specific phase of
3. Crystal, all through
4. Solution, all through
The activated Bt toxin binds to
(1) Surface of midgut epithelial cells
(2) Surface of hindgut eithelial cells
(3) Surface of foregut epithelial cells
(4) Surface of gut endothelial cells
Which of the following event is second in the action of Bt toxin?
(1) Binding to epithelial cells
(2) Creating pores
(3) Swelling
(4) Lysis
The choice of Bt toxin gene depends on
(1) Crop
(2) Targeted pest
(3) Both A and B
(4) Only on protein of Bt toxin gene
Most of the Bt toxin genes are
| 1. | Insect group specific |
| 2. | Pest specific |
| 3. | Weed specific |
| 4. | Bacteria specific |
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