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Protein products of Bt genes cry IAc and...

Protein products of Bt genes cry IAc and cry II Ab control

A

Bollworm

B

Roundworm

C

Moth

D

Fruit fly

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The correct Answer is:
A
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Gene cry IAb controls

Consider the following statements. A. Bt toxin is produced by a bacterium called Bacillus thuringiensis. B. The Bt toxin is coded by a gene named cry. C. Bt inactive toxin is converted into an active form of toxin due to the acidic pH of the insect gut. D. The Bt proteins encoded by the genes cryIAc and cryIIAb control the corn borer. Of the above statements:

Assertion: The choice of cry-gene depends upon the crop & the targeted pest Reason :Gene cry Iac & cry II Ab control the cotton bollworms while cry Iab controls corn borer

Read the following and answer questions from Q.1. to Q.5. given below: Plants having foreign genes in their genome through genetic engineering are called transgenic plants. Genes can be incorporated either through a vector or through direct introduction of DNA. Bt cotton is a genetically modified organism which is pestresistant. It contains gene cry I Ac and cry II Ab of Bacillus thuringiensis. It is used to control lepidopterans, coleopterans and dipterans. Bt cotton can resist cotton bollworm and produce higher yields. Cry gene produces cry protein or Bt toxin. It is an endotoxin which remains as protoxin in plants and converted to active toxin after getting ingested by the insects. Alkaline pH of the insect gut solubilizes the protein crystals, the activated toxin creates pores to the mid guts wall of theinsects which cause them to death. Cotton bollworms are killed by the protein encoded by the gene

Read the following and answer questions from Q.1. to Q.5. given below: Plants having foreign genes in their genome through genetic engineering are called transgenic plants. Genes can be incorporated either through a vector or through direct introduction of DNA. Bt cotton is a genetically modified organism which is pestresistant. It contains gene cry I Ac and cry II Ab of Bacillus thuringiensis. It is used to control lepidopterans, coleopterans and dipterans. Bt cotton can resist cotton bollworm and produce higher yields. Cry gene produces cry protein or Bt toxin. It is an endotoxin which remains as protoxin in plants and converted to active toxin after getting ingested by the insects. Alkaline pH of the insect gut solubilizes the protein crystals, the activated toxin creates pores to the mid guts wall of theinsects which cause them to death. What is true about Bt cotton crops?

Read the following and answer questions from Q.1. to Q.5. given below: Plants having foreign genes in their genome through genetic engineering are called transgenic plants. Genes can be incorporated either through a vector or through direct introduction of DNA. Bt cotton is a genetically modified organism which is pestresistant. It contains gene cry I Ac and cry II Ab of Bacillus thuringiensis. It is used to control lepidopterans, coleopterans and dipterans. Bt cotton can resist cotton bollworm and produce higher yields. Cry gene produces cry protein or Bt toxin. It is an endotoxin which remains as protoxin in plants and converted to active toxin after getting ingested by the insects. Alkaline pH of the insect gut solubilizes the protein crystals, the activated toxin creates pores to the mid guts wall of theinsects which cause them to death. Identify which of the following is not an advantage of GM crops?

Read the following and answer questions from Q.1. to Q.5. given below: Plants having foreign genes in their genome through genetic engineering are called transgenic plants. Genes can be incorporated either through a vector or through direct introduction of DNA. Bt cotton is a genetically modified organism which is pestresistant. It contains gene cry I Ac and cry II Ab of Bacillus thuringiensis. It is used to control lepidopterans, coleopterans and dipterans. Bt cotton can resist cotton bollworm and produce higher yields. Cry gene produces cry protein or Bt toxin. It is an endotoxin which remains as protoxin in plants and converted to active toxin after getting ingested by the insects. Alkaline pH of the insect gut solubilizes the protein crystals, the activated toxin creates pores to the mid guts wall of theinsects which cause them to death. Bacillus thuringiensis is a

Read the following and answer questions from Q.1. to Q.5. given below: Plants having foreign genes in their genome through genetic engineering are called transgenic plants. Genes can be incorporated either through a vector or through direct introduction of DNA. Bt cotton is a genetically modified organism which is pestresistant. It contains gene cry I Ac and cry II Ab of Bacillus thuringiensis. It is used to control lepidopterans, coleopterans and dipterans. Bt cotton can resist cotton bollworm and produce higher yields. Cry gene produces cry protein or Bt toxin. It is an endotoxin which remains as protoxin in plants and converted to active toxin after getting ingested by the insects. Alkaline pH of the insect gut solubilizes the protein crystals, the activated toxin creates pores to the mid guts wall of theinsects which cause them to death. Some strains of Bacillus thuringiensis can kill certain insects such as

The protein products of the following Bt toxin genes cryIAc and cryIIAb are responsible for controlling:

AAKASH INSTITUTE-BIOTECHNOLOGY AND ITS APPLICATIONS-ASSIGNMENT (SECTION - C) (PREVIOUS YEARS QUESTIONS)
  1. Main objective of production of herbicide resistant GM crops is to

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  2. Genetically engineered microorganism used successfully in bioremediati...

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

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  4. Protein products of Bt genes cry IAc and cry II Ab control

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

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  6. How is Bt toxin known to kill the target insects in protection of cott...

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  7. Which gene isolated from Bacillus thuringiensis has been known to cont...

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  8. Which of the following statements about Bacillus thuringiensis are cor...

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  9. Crystals of Bt toxin produced by some bacteria do not kill the bacteri...

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  10. Which of the following is used as a bioweapon ?

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  11. Which enzyme deficiency will lead to a disease called SCIO?

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  12. ANDi is a transgenic

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  13. A regulatory body working under MoEF for the release of transgenic cro...

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  14. A nematode Meloidogyne infects the roots of tobacco plants and causes ...

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  15. Why is usually insulin not administered orally to a diabetic patient?

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  16. Which of the following techniques serve the purpose of early diagnosis...

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  17. Choose the incorrect statement w.r.t. Ethical issues in biotechnology

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  18. During gene cloning, which is called 'gerie taxi'?

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  19. Some of the steps involved in production of humulin are given below. C...

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

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