Which of the following event is last in the action of Bt toxin?
(1) Binding to epithelial cells
(2) Swelling
(3) Lysis
(4) Creating pores
(1) Binding to epithelial cells
(2) Swelling
(3) Lysis
(4) Creating pores
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
Which of the following event will occur before death of insect as an action of Bt toxin?
(1) Lysis
(2) Swelling
(3) Pore formation
(4) Binding to epithelial cells
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 |
The tobacco roots are infected by
(1) Nematode Meloidegyne incognitia
(2) Diptera beetles
(3) Coleoptera fly
(4) Lepidopterans
Silencing of specific mRNA due to a complementary dsRNA is called mRNA silencing. Here the source of ds RNA is
(1) RNA virus
(2) Mobile genetic element with RNA intermediate
(3) Transposons having RNA intermediate during process of replication
(4) All of these
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