Molecular basis of Inheritance : Griffith was studying pathogenicity of different strains of bacterium Streptococcus pneumoniae which is also known as Diplococcus or Pneumococcus.
Human Reproduction : Reproduction is the process by which an organism produces young individuals of its own species. It helps in maintaining the continuity of the species.
Sexual Reproduction in Flowering Plants : It is a biological process of producing offspring of its own type. Flower is a seat of sexual reproduction in angiosperms.