Q. Which is not true about somatic embryogenesis ?
(a) Somatic embryos can develop from microspores
(b) Somatic embryo is induced usually by an auxin such as 2, 4-D
(c) A somatic embryo develops from a somatic cell
(d) Pattern of development of a somatic embryo is comparable to that of a zygotic embryo.
Solution : Correct option : A Somatic embryogenesis is an artificial process in which a plant or embryo is derived from a single somatic cell. No endosperm or seed coat is formed around a somatic embryo. Cells derived from competent source tissue are cultured to form an undifferentiated mass of cells called a callus.