Most suitable mathod of introducing alien DNA into a plant cell is

Which of the following is not a method of introducing alien DNA into host cells ?

Write the methods to introduce alien DNA into host cells?

Different methods have been suggested to introduce alien DNA into host cells. Give and explain any three methods adopted for this purpose.

Which is used for the introduction of alien DNA into the animals cell ?

A suitable method of transformation with recombinant DNA for plants in which cells are bombarded with high velocity micro-particles of gold or tungsten coated with DNA is:

Write any four ways used to introduce a desired DNA segment into a bacterial cell in recombinant technology experiments.