<prompt> Albers Schonberg disease is:PagetOsteogenesis imperfectaOsteoporosisOsteopetrosis  <response>: Osteopetrosis is also called as Marble bone Disease and Albers Schonberg Disease Pagets disease is also known as osteitis deformans. Both Pagets and Osteopetrosis are osteoclast defect. Osteogenesis imperfecta is also known as brittle bone disease. Osteoporosisis known as porous bone. 