9. Which one of the following is a case of wrong matching ?
(1) Callus - Unorganised mass of cells produced in tissue culture
(2) Somatic hybridization - Fusion of two diverse cells
(3) Vector DNA - Site for t-RNA synthesis
(4) Micropropagation - In vitro production of plants in large number
(1) Callus - Unorganised mass of cells produced in tissue culture
(2) Somatic hybridization - Fusion of two diverse cells
(3) Vector DNA - Site for t-RNA synthesis
(4) Micropropagation - In vitro production of plants in large number