Home
Class 12
BIOLOGY
Assertion : Agrobacterium tumefaciencs c...

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

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

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.

____ is a soil bacterium which causes crown gall tumours in dicotyledonous plants.

Crown gall disease in plants is caused by :

Read the following statement and choose the correct option: I. Agrobacterium tumerfaciencs, a pathogen of several monocot plants, is able to deliver a piece of DNA known as "T-DNA". II. The tumor inducing (Ti) plasmid of Agrobacterium tumefaciens has been modified into a cloning vector, which is more pathogenic to the plants.

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

Biotechnologists refer to Agrobacterium tumifaciens as a natural genetic engineer of plants. Give reasons to support the statement.

State how has Agrobacterium tumefaciens been made a useful cloning vector to transfer DNA to plant cells.

Assertion (A) : Ti plasmid (tumour-inducing plasmid) of Agrobacterium tumefaciens is used as a cloning vector. Reason (R): Ti plasmid integrates a segment of its DNA, termed T-DNA into the chromosomal DNA of its host plant cells.