Methods of Heat Transfer

Name a method of heat transfer which does not require a material medium.

Which of the following method of heat transfer will work in empty space (or vacuum) ? Convection, Radiation, Conduction

If there is no gravity i.e. acceleration due to gravity is zero then which method of heat transfer is not possible

Which of the following is a method of gene transfer ?

Discuss direct method of gene transfer.

Thermal Properties - Heat Transfer - Conduction

Statement - 1 : Biolistics method of gene transfer is an example of direct gene transfer. Statement - 2 : In biolistics method , pBR322 is used.