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Bt toxin gene has been cloned from the b...

Bt toxin gene has been cloned from the bacteria and expressed in plants to provide resistance to insects without the need for insecticides. Examples of such plants are

A

cotton and corn

B

rice and potato

C

tomato and soybean

D

all of these

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The correct Answer is:
D
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Assertion : 'Bt' toxin gene has been cloned from bacteria and expressed in plants to provide resistance from insect without the need of insecticides. Reason: 'Bt' toxin is produced from bacterium Bacillus thuringiensis.

Which type of gene has been cloned from the bacteria and been expressed in the plant to provide resistance to insects.

Consider the following statements. I. Bt toxin gene has been cloned from the bacteria. II. Genetic engineering works only on animals and has not yet been successfully used on plants. III. Strains of Bacillus thuringiensis are used in producing bioinsecticidal plants. Which of the statements given above are correct ?

Bt toxin genes have been expressed in plants in order to provide resistance against (i) lepidopterans and fungi (ii) animals and bacteria (iii) bacteria and fungi (iv) coleopterans and dipterans (v) lepidopterans

A plant expressing a gene from another organisms is

Bt corn been made resistant from corn borer disease by intoduction of the gene

Bt toxin genes are isolated from Bacillus thuringiensis and incorporated into crop plants making them insecticidal. The choice of genes depend upon

The Bt-gene for insect resistance was obtained from:

NCERT FINGERTIPS-BIOTECHNOLOGY AND ITS APPLICATION-Biotechnology And Its Application
  1. Golden rice is yellow in colour due to the presence of

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  2. A transgenic food crop which may help in solving the problem of night...

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  3. Bt toxin gene has been cloned from the bacteria and expressed in plant...

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  4. Which of the following risks are associated with genetically modified ...

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  5. Read the given statements and select the correct option Statement 1 ...

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  6. First genetically modified plant commercially released in India is

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  7. Which of the following statements is/are correct with regard to the di...

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  8. Read the given statements and select the correct option Statement 1 ...

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  9. Which one of the following is not used as biofertiliser ?

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  10. Which of the following argricultural challenges cannot be solved with ...

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  11. Main objective of production of herbicide resistant GM crops is to

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  12. Study the following statements regarding Bt toxins produced by bacte...

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  13. Bt toxin genes have been expressed in plants in order to provide resis...

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  14. Bacillus thuringiensis forms protein crystals which contain insectidic...

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  15. Bt toxins are

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  16. Bt toxin protein crystals present in bacterium Bacillus thuringiensis,...

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  17. What causes the inactive form of Bt toxin i.e., protoxin to get conver...

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  18. Bt toxin kills insects by

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  19. The Bt toxin is not human beings because

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  20. Which of the following genes were introduced in cotton to protect it f...

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