The incorrect statement w.r.t biolistic gun is:
It is used to introduce alien DNA into host cells.
This technique involves bombarding the cells with DNA coated tungsten or gold microparticles with high velocity.
this method is applicable for incorporating the DNA into plant cells.
It is mostly suitable for animals.
Biolistics or gene gun are suitable for plants, cells are bombarded with high velocity micro-particles of gold or tungsten coated with DNA