Respuesta :
Answer: Option E.
Both plants will produce flower at the same time but plant B will have more of them.
Explanation:
Florigen is a protein or hormone like molecule that help to control or boost flower production in plants. It is a flowering hormone. It is produced in plants leaves and acts on apical meristem or growing tips. The hormone is normally injected at the growing tips or apical meristem where flowers growth will be activated. Since plant B is injected with florigen,it will further trigger flower production on the plant than plant A .