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Bt - cotton has genes to repel...

Bt - cotton has genes to repel

A

Bacterial pathogens

B

Fungal pathogens

C

Nematodes pathogens

D

Insect pathogens

Text Solution

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The correct Answer is:
D
Insect pathogens
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Bt cotton is resistant to pest, such as lepidopteron, dipterans and coleopterans. Is Bt cotton also resistant to other pests as well ?

The gene involved in the process of formation of Bt cotton by genetic engineering ?

In Bt cotton, the Bt toxin present in the plant tissue as protoxin is converted into active toxin due to (A) Presence of conversion factors in insect gut (B) Alkaline pH of the insect gut (C) Acidic pH of the insect gut (D) Action of gut microorganisms

Insect pest resistant Bt cotton was developed by (A) Somaclonal variations (B) Micropopagation (C) Transgenic technology (D) Somatic hybridization

You have identified a useful gene in bacteria. Make a flow chart of the steps that you would follow to transfer this gene to a plant.

Bt cotton is not (A) a GM plant (B) Insect resistant (C) a bacterial gene expressing system (D) resistant to all pesticides

Bt-cotton is a GM crop when released for cultivation it will help in :-

KUMAR PRAKASHAN-BIOTECHNOLOGY AND ITS APPLICATIONS-Section - F (Multiple Choice Questions (MCQs ASKED IN COMPETITIVE EXAM))
  1. Isolation of Bt gene from bacterium (Bacillus thuringiensis) was taken...

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  2. The disorder in which both B-lymphocytes and T-lymphocytes are not for...

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  3. Bt - cotton has genes to repel

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  4. Which of the following is transgenic plant ?

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  5. Which vector is used to replace defective gene in gene therapy ?

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  6. RNA interference is essential for

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  7. One of the a dvantage of developing transgenicmice is that it is usefu...

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  8. Somaclonal variation appears in

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  9. Golden rice is a transgenic crop of the future with the following impr...

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  10. Bacillus thuringiensis (Bt) strains have been used for designing novel

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  11. Production of a human protein in bacteria by genetic engineering is po...

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  12. Golden rice is a promising transgenic crop. When released for cultivat...

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  13. Two microbes found to be very useful in genetic engineering are (A) ...

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  14. What is antisense technology ?

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  15. Cry-I endotoxins obtained from Bacillus thuringiensis are effective ag...

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  16. Transgenic food crop which may help in solving the problem of night bl...

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  17. Human insulin is being commercially produced from a transgenic species...

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  18. Which one of the following is commonly used in transfer of foreign DNA...

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  19. What is true about Bt toxin ? (A) Bt protein exists as active toxin i...

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  20. Which one of the following pairs is wrongly matched ?

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