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Bt toxin is obtained from:...

Bt toxin is obtained from:

A

prokaryotes

B

eukaryotes

C

both(a) and (b)

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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Bt-toxin is a

Therioside is a protenaceous toxin, which is obtained from

Knowledge Check

  • Bt toxin is a

    A
    crystalline, proteinaceous , insecticidal `beta` endotoxin
    B
    amorphous , proteinaceous , insecticidal `delta` endotoxin
    C
    crystalline, proteinaceous , insecticidal `delta` endotoxin
    D
    amorphous , proteinaceous , insecticidal `beta` endotoxin

  • Thurioside is proteinaceous toxin obtained from

    A
    Biofertilizer
    B
    Green manure
    C
    Bacterial origin
    D
    Farmyard manure

  • Bt toxins are

    A
    intracellular lipids
    B
    intracellular crystalline proteins
    C
    extracellular crystalline proteins
    D
    intracellular polysaccharides

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    Bt toxin is got from a

    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.

    The Bt-gene for insect resistance was obtained from:

    The abbreviation 'Bt' in 'Bt' toxin stands for

    Assertion (A) : Acidic pH of insect converts inactive Bt toxin into active form Reason (R) : Most of Bt toxins are insect group specific.

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