21. Somaclonal variation method refers to

A. heritable changes
B. genetic isolation
C. small number of species having limited commercial potential
D. large number of plant cells

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22. α and β cyclodextrins are produced by

A. transgenic tomato
B. transgenic maize
C. transgenic potato
D. transgenic wheat

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23. α and β cyclodextrins are used for

A. pharmaceutical delivery system
B. flavor and odor enhancement in foods
C. removal of undesired compounds like caffeine from foods
D. all of the above

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24. Microinjection technique of introducing NA is a

A. physical method
B. biological method
C. combination of physical and biological method
D. chemical method

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25. MS medium is found essential for initial morphogenesis of the immature embryos and to enhance callus development when supplemented with

A. GA₃
B. GA₃ and coconut milk
C. adenine
D. adenine and kinetin

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