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Bt-cotton is resistant to:...

Bt-cotton is resistant to:

A

insects

B

herbicides

C

salt resistant

D

drought resistant

Text Solution

Verified by Experts

The correct Answer is:
A
Bt cotton is produces by the insertion of insect resistance genes from bacterium Bacillus thuringiensis to cotton plant. This gene produces an insect resistant protein toxin crystals, called parasporal body (delta endotoxin ) that can act as a microbial insecticide for specific insect groups.
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Bt-cotton is resistant for

I. Recombinant DNA technolgy is used to improve crop plants by increasing their productivity, by making them more nutritious and by developing disease resistant II Bt cotton is resistance to bollworm infestation III. Bacillus thuringiensis is not harmed by self cry protein because of its occurrence as protoxin (inactive) V. Protoxin Cry protein is changed into active cry protein in the stomach of insects due to alkaline pH in stomach

Bt cotton is resistant against:

Bt cotton is resistant against

Name the genes responsible for making Bt cotton plants resistant to bollworm attack. How do such plants attain resistance against bollworm attacks? Explain.

Bt cotton is not

ARIHANT NEET-BIOTECHNOLOGY AND ITS APPLICATIONS -CHAPTER EXERCISES ((C ) MEDICAL ENTRANCES GALLERY )
  1. Match the following Columns. {:(,"Column I",,,"Column II"), (A.,...

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  2. RNA interference which is employed in making tobacco plant resistant t...

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  3. ADA deficiency results in

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  4. Select the correct option for the given statements I, II and III. ...

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  5. Bt-cotton is resistant to:

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  6. Which one of the following bacteria is used for production of transgen...

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  7. Bt brinijal an axample of transgenic crops. In this Bt refers to

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  8. alpha - 1 antitrypsin (AAT) protein is used to treat which dise...

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  9. Product of biotechnology is

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

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  11. Medical gene product used to treat cystic fibrosis is

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  12. Cultivation of Bt Cotton has been much in the news . The prefix "Bt" m...

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  13. Which of the following is obtained from genetic engineering?

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  14. Which is used in production of insulin by genetic engineering ?

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  15. A hybrid where the cytoplasm of two parent cells are fused by retainin...

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  16. Match List I with List II and select the correct option: {:(,"List ...

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  17. Hybridomas are the fusion product of :

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  18. Bt toxin is obtained from:

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  19. First hormone produced artificially by culturing bacteria is

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  20. Find out the pairs which are correctly matched {:(a.,"Cyanobacteria"...

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