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Read the following statement and choose ...

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.

A

Both `i` and ii are correct

B

`i` is correct, while ii is incorrect

C

`i` is incorrect, while ii is correct

D

Both I and ii are incorrect

Text Solution

Verified by Experts

The correct Answer is:
C
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A pathogen of several dicot plants which is able to deliver a piece of DNA known as T-DNA to transform normal plant cell into a tumour is :

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

Which of the following statement // s regarding nucleic acids is // are wrong ? Amplification of gene of interest is done by polymerase Chain Reaction. Origin of replication (ori) is a sequence from where RNA replication starts. The tumour inducing (Ti) plasmid of Agrobacterium tumifaciens can be modified into a cloning vector . DNA technology involves the use of restriction endonucleases. Biolistics or gene gun is suitable to introduce DNA to plant cells.

What is the source of the Ti (Tumor inducing) plasmid which is modified and used as a cloning vecotr to deliver the desirable genes into plant cells?

What is the source of the Ti (Tumour inducing) plasmid which is modified and used as a cloning vector to deliver the desirable genes into plant cells ?

Read the following statements and choosed the correct option- I. Cerebellum has very convoluted surface in order to provide the additional space for more neurons. II. The medulla is connected to the spinal cord III. Medulla contains controlling centres for respiration, cardiovascular reflexes and gastric secretion.

Read the following statements and choose the correct option. Statement A: Trichoderma spaces are free living fungi that are very common in root ecosystems. Statement B: trichoderma spaces are effective biocontrol agent of several plants pathogens.

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.

Read the given statements and select the correct option. Statement 1 : THe tumour inducing plasmid (Tiplasmid) acts as a cloning vector in recombinant DNA technology. Statement 2: The Ti plasmid which is used in the mechanisms of delivering genes to a cell remains pathogenic.

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