Plant Cell Culture
What is/are the benefit(s) of micropropagation or clonal propagation?

All of these
Multiplication of disease free plants
Rapid multiplication of superior clones
Multiplication of sexually derived sterile hybrids

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Plant Cell Culture
In a callus culture

increasing level of cytokinin to a callus induces shoot formation and increasing level of auxin promote root formation
auxins and cytokinins are not required
increasing level of auxin to a callus induces shoot formation and increasing level of cytokinin promote root formation
only auxin is required for root and shoot formation

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