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
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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
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Most of the Bt toxin genes are

  1. Insect group specific
  2. Pest specific
  3. Weed specific
  4. Bacteria specific
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The Bt toxin is not coded by

  1. CrylAc
  2. CryllAb
  3. CrylAb
  4. CrylIIAc
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Cotton bollworms are controlled by

  1. CryIAc
  2. Cry II Ab
  3. Both A and B
  4. Cry I Ab
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Corn borers are controlled by

  1. CryIAb
  2. CryIAc
  3. CryIIAb
  4. Both B and C
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The tobacco roots are infected by

  1. Nematode Meloidegyne incognitia
  2. Diptera beetles
  3. Coleoptera fly
  4. Lepidopterans
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RNAi takes place as a method of cellular defense

  1. In all prokaryotes
  2. In all eukaryotes
  3. In all bacteria
  4. In all fungi
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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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Agrobacterium vectors carried nematode specific genes which is introduced into the host plant and suct that it produced

  1. Sense and anti sense RNA
  2. Only antisense RNA
  3. Only sense RNA
  4. Sense and antisense Protein
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