You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?

During tissue culture. Organogenesis is one of crucial step. Cytokinin / Auxin ratio is one of the method of organogenesis.Callus→High C/A  Shoot→Low C/ARoot on shootHence adjustment of C/A leads to development of both shoot and Root.GA does not have any role in MorphogenesisABA is growth inhibitor so can’t promote organogenesis