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What Is a Vector

Which one of ...

Question

Which one of the following is a case of incorrect match?
(A) Somatic hybridisation - Fusion of two diverse cells
(B) Vector DNA - Site for tRNA synthesis
(C) Micropropagation - in vitro production of plants in large numbers
(D) Callus - Unorganised mass of cells produced in tissue culture

A

(A)

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B

(B)

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C

(C)

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D

(D)

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Solution

The correct option is B (B)
A vector DNA is used as a vehicle to transfer foreign genetic material into the desired cell. The tRNA is synthesised in the nucleus from a DNA template.
All the other options are perfectly matched.

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Similar questions

Q. Rapidly dividing unorganised mass of cells in tissue culture is

Q. Which of the following statements are correct?
a. Callus is the disorganised mass of cells formed under in vitro condition.
b. Totipotency is the ability of a plant organ to regenerate an entire organism when cultured in a suitable medium.
c. Embryoid is the embryo-like structure formed under in vitro condition which has the potentiality to develop into a plantlet.
d. Explant is the excised portion of plant tissue or organ which is used in tissue culture study.
Select the correct answer using the codes given Codes.

Q. Unlike the somatic cells of animals, plant cells can be grown in tissue culture and regenerate new plants ____________________.

Q. Assertion: The process of plant tissue culture can be used for faster vegetative propagation of new crop varieties.

Reason: Cells in a callus are totipotent in nature.

Q. Pollen grains of plant whose 2n=28 are cultured to get callus by tissue culture method. What would be the number of chromosomes in the cells of the callus?

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