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Apomixis

Which of the ...

Question

Which of the following terms is used to describe the component isolated from a plant for culturing in the specific medium?

A

Explant

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B

Synthetic seeds

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C

Callus

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D

Embryoid

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Solution

The correct option is A
Explant

The part of the plant which is taken out and grown in a test tube under sterile conditions in a special nutrient media is called an explant.

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Similar questions

Q. Assertion: Isolated protoplasts are used for somatic hybridisation
Reason: Callus culture does not allow variation

Q. Which hormones are mostly used in Plant tissue culture for callus initiation?

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. Which of the following statements are true with respect to the plant growth regulators used in a growth medium for tissue culture?

I - The specific concentration of the plant growth regulators (PGRs) in the culture medium does not influence the fate of the explant.
II - PGRs play an important role in inducing de-differentiation of the cells of the explant.
III - When parenchyma cells of a callus are cultured in a medium containing high levels of cytokinin, shoot formation is induced.

Q. If a part of pith from the stem of a plant is used as an explant and cultured on nutrient medium, which of the following processes is responsible for the formation of an undifferentiated mass of cells called callus?

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