Read the following statements related to pollen grains of flowering plants and select the incorrect aspect regarding them ?

When the pollen grain is mature it contains two cells, the vegetative cell and the generative cell. Asymmetric spindle during mitosis of microspore results in formation of a , bigger  vegetative cell and a smaller generative cell. The vegetative cell has abundant food reserve and a large irregularly shaped nucleus. While the generative cell is small and floats in the cytoplasm of the vegetative cell. It is spindle shaped with dense cytoplasm and a nucleus.