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Match List-I with List-II. List-I List-II (A) Agrobacterium tumefaciens (I) Tumor inducing (B) Ti plasmid (II) Natural genetic engineer (C) T-DNA (III) Non-pathogenic cloning vector (D) Disarmed vector (IV) Piece of DNA transferred to plant cell Choose the correct answer from the options given below:

Options

  1. A(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
  2. B(A)-(II), (B)-(I), (C)-(IV), (D)-(III)
  3. C(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
  4. D(A)-(IV), (B)-(II), (C)-(I), (D)-(III)

Correct answer

B. (A)-(II), (B)-(I), (C)-(IV), (D)-(III)

Step-by-step solution

Agrobacterium tumefaciens is known as a natural genetic engineer of plants because it can naturally transfer genes into plant cells. The Ti plasmid stands for Tumor-inducing plasmid. T-DNA is the specific piece of DNA from the Ti plasmid that is transferred and integrated into the plant genome to cause crown gall disease in wild-type infections. A disarmed vector is a modified plasmid where the disease-causing (pathogenic) genes have been removed, making it a safe non-pathogenic cloning vector for biotechnology. Th

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