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Assertion : Agrobacterium tumefaciens is...

Assertion : Agrobacterium tumefaciens is the causative agent of crown gall disease of dicots.
Reason : Agrobacterium tumefaciens causes infection by entering the plant through wounds and injuries.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and the reason are true and the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
a
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Knowledge Check

  • Grown gall disease of plants is caused by

    A
    Ti-plasmid
    B
    Pi-plasmid
    C
    Virus
    D
    Protozoan.

  • Assertion : Agrobacterium tumefaciencs causes crown gall tumor in plants. Reason : E.coli can't transfer DNA in plants.

    A
    Both A and R are true and R is the correct explanation of A.
    B
    Both A and R are true but R is not correct explanation of A
    C
    A is true but R is false
    D
    A and R are false

  • Read a and b and identify correct choice Statement a. Agrobacterium tumefaciens causes crown gall in dicots Statement b. Agrobacterium tumefaciens enters host through wound and injuries

    A
    b is correct, a is wrong
    B
    Both a and b are wrong
    C
    Both a and b are correct
    D
    a is correct, b is wrong

    • Similar Questions

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    Crown gall disease in plants is caused by

    Crown gall disease in plants is caused by :

    The disease crown gall is caused by

    Assertion :- Agrobacterium tumefaciens strain synthesises 'Opines' for energy source. Reason :- Opines are derivatives of glycine

    (A) : Agrobacterium Ti plasmid is used to induce genetic transformation in plants. (R) : Agrobacterium tumefacients usually causes crown gall disease in monocotyledons.

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