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

Subtopic:  Bt Crops |
 78%
From NCERT
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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

Subtopic:  Bt Crops |
 62%
From NCERT
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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

Subtopic:  Bt Crops |
 84%
From NCERT
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Most of the Bt toxin genes are

(1) Insect group specific

(2) Pest specific

(3) Weed specific

(4) Bacteria specific

Subtopic:  Bt Crops |
 85%
From NCERT
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The Bt toxin is not coded by

(1) CrylAc

(2) CryllAb

(3) CrylAb

(4) CrylIIAc

Subtopic:  Bt Crops |
 92%
From NCERT
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Cotton bollworms are controlled by

(1) CryIAc

(2) Cry II Ab

(3) Both A and B

(4) Cry I Ab

Subtopic:  Bt Crops |
 87%
From NCERT
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Corn borers are controlled by

(1) CryIAb

(2) CryIAc

(3) CryIIAb

(4) Both B and C

Subtopic:  Bt Crops |
 83%
From NCERT
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The tobacco roots are infected by

(1) Nematode Meloidegyne incognitia

(2) Diptera beetles

(3) Coleoptera fly

(4) Lepidopterans

Subtopic:  Interference RNA Tech |
 98%
From NCERT
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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

Subtopic:  Interference RNA Tech |
 83%
From NCERT
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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

Subtopic:  Interference RNA Tech |
 87%
From NCERT
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