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Question

Somaclonal variation can be obtained by
  1. Application of colchicine
  2. Irradiation with gamma rays
  3. Tissue culture
  4. Hybridisation

A
Application of colchicine
B
Hybridisation
C
Tissue culture
D
Irradiation with gamma rays
Solution
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Somaclonal variation is the variation seen in plants that have been produced by plant tissue culture. The major benefit of somaclonal variation in plant is improvement. Somaclonal variation leads to the creation of additional genetic variability. Characteristics for which somaclonal mutants can be enriched during in vitro culture includes resistance to disease pathotoxins, herbicides and tolerance to environmental or chemical stress, as well as for increased production of secondary metabolites.
Therefore, the correct answer is option C.

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